Federal Capture Intelligence

EPA environmental consulting contractors

Contract actions: October 1, 2021 – July 27, 2026 Updated July 28, 2026 Environmental Protection Agency agency guide NAICS 541620 · Environmental Consulting Services
Latest 12 months
$231.0M
Net obligations · Down $167.9M vs. $398.9M preceding
Prime contractors
62
With positive obligations in the latest 12 months

Market snapshot for EPA environmental consulting

Federal records show $1.7B in net obligations across 3,349 awards in EPA environmental consulting from Oct 1, 2021 through Jul 27, 2026. This market accounts for 16.0% of $10.5B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations decreased 42.1% from $398.9M to $231.0M. 15 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY26 is year-to-date through Jul 27, 2026; earlier years show complete fiscal-year totals.

FY26 year-to-date: $161.3M versus $282.9M through the same date in FY25 (−43.0%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$300.6M3,282Complete
FY2023$366.2M3,609Complete
FY2024$506.0M3,764Complete
FY2025$352.6M3,692Complete
FY2026$161.3M2,147YTD through Jul 27, 2026

Market at a glance

All reported prime contract awards
All-period net obligations
$1.7B
3,349 awards · 171 prime contractors
Latest 12-month movement
−42.1%
$231.0M vs. $398.9M
Leading eight prime share
63.2%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
16.0% of $10.5B in agency-wide net obligations.
Set-aside share when reported
38.7% of 253 awards with reported set-aside status.
Set-aside reporting
98 set aside · 155 no set-aside · 3,096 not reported

What changed in the last 12 months?

Jul 28, 2025–Jul 27, 2026, compared with Jul 28, 2024–Jul 27, 2025.

Competitive shifts

ENVIRONMENTAL MANAGEMENT SUPPORT, INC climbed the most in the contractor rankings
#32→#6Up 26 places
The contractor accounts for 4.2% of positive obligations across 54 reported actions.
ABT GLOBAL LLC fell the most in the contractor rankings
#19→#62Down 43 places
The latest position is based on 31 reported actions.

Buyer demand

Reported obligations through OFC FOR AIR RAD (OAR) (FUNDING) decreased
$65.7M→$6.1M−$59.6M
Latest-period activity spans 187 awards across 17 prime contractors.
Reported obligations through OFFICE FOR WATER (OW) (FUNDING) increased
$82.3M→$114.9M+$32.6M
Latest-period activity spans 226 awards across 14 prime contractors.

Award activity

WESTON SOLUTIONS INC recorded the largest deobligation action
−$36.1MJul 15, 2026 action
Reported under PIID 68HE0925F0018 by REGION 9 (FUNDING OFFICE). Award net obligations after the action: $13.9M.
View supporting award
View 5 additional material changes

Competitive shifts

S C & A INC had the largest decline in reported obligations
$49.9M→$21.9M−$28.1M
The contractor now ranks #3 by positive obligations and accounts for 9.1% of positive obligations, based on 84 reported actions.
TETRA TECH, INC. lost the most market share
5.75%→1.82%−3.9 percentage points
The contractor now ranks #16 by positive obligations, based on 154 reported actions.
WESTON SOLUTIONS INC recorded the largest net deobligation
$81.0M→−$3.2M−$84.2M
The contractor now is unranked by positive obligations, based on 235 reported actions.
4 contractors were first observed in this market during the latest 12 months
$2.3MLatest 12-month obligations
Contractor-level obligations and first-observed dates appear below. “First observed” applies only to this market and the period shown.
View 4 contractors
ContractorLatest 12 months

Market structure

Top-five contractor share decreased
59.9%→51.4%−8.5 percentage points
Contractors outside the top five now account for 48.6% of positive obligations.
How these findings are calculated

Findings are selected from matched-period changes in obligations, share, rank, funding offices, concentration, reported set-asides, material award actions, and agency-peer outliers. Related signals are combined, and only material evidence-backed changes are shown. Review the full methodology.

Funding pattern for EPA environmental consulting

See how positive obligations were attributed across funding offices in the 12 months ending Jul 27, 2026.

45.6% of positive obligations were attributed to OFFICE FOR WATER (OW) (FUNDING). That represents $114.9M, up $32.6M from the preceding 12 months.

Latest 12-month share of positive obligations; the gray segment represents all other reported offices.

  1. OFFICE FOR WATER (OW) (FUNDING)45.6% · $114.9M · up $32.6M
  2. OFC LANDEMERG MGMT (OLEM)(FUNDING)14.4% · $36.4M · up $6.9M
  3. OFC CHEMSFTYPOLLPREV(OCSPP) (FUND)6.0% · $15.0M · up $7.9M
  4. REGION 6 (FUNDING OFFICE)5.0% · $12.7M · down $13.4M
  5. REGION 7 (FUNDING OFFICE)4.0% · $10.2M · up $6.0M
  6. All other reported offices24.9% of positive obligations
View reported office rankings, comparisons, and evidence

USAspending assigns each award to a funding office. That office may differ from the requiring activity, program office, contracting office, individual buyer, or actual customer.

  1. Reported funding office

    OFFICE FOR WATER (OW) (FUNDING)

    #1Up 1 from #2

    Latest 12 months

    $114.9M

    45.6% of positive obligations

    Versus preceding 12 months

    +$32.6M

    14 active prime contractors · 226 awards

    View office comparison and evidence

    Reported obligations increased 39.7% from $82.3M to $114.9M. The office’s share of positive obligations moved from 20.6% to 45.6%, a change of +25.0 percentage points.

    The latest period contains 490 actions across 226 awards and 2 newly active prime contractors. The preceding period contained 16 active prime contractors and 275 awards.

    Leading award-level changes

  2. Reported funding office

    OFC LANDEMERG MGMT (OLEM)(FUNDING)

    #2Up 2 from #4

    Latest 12 months

    $36.4M

    14.4% of positive obligations

    Versus preceding 12 months

    +$6.9M

    23 active prime contractors · 168 awards

    View office comparison and evidence

    Reported obligations increased 23.4% from $29.5M to $36.4M. The office’s share of positive obligations moved from 7.4% to 14.4%, a change of +7.0 percentage points.

    The latest period contains 313 actions across 168 awards and 3 newly active prime contractors. The preceding period contained 22 active prime contractors and 201 awards.

  3. Reported funding office

    OFC CHEMSFTYPOLLPREV(OCSPP) (FUND)

    #3Up 9 from #12

    Latest 12 months

    $15.0M

    6.0% of positive obligations

    Versus preceding 12 months

    +$7.9M

    14 active prime contractors · 62 awards

    View office comparison and evidence

    Reported obligations increased 110.0% from $7.2M to $15.0M. The office’s share of positive obligations moved from 1.8% to 6.0%, a change of +4.2 percentage points.

    The latest period contains 209 actions across 62 awards and 5 newly active prime contractors. The preceding period contained 10 active prime contractors and 75 awards.

  4. Reported funding office

    REGION 6 (FUNDING OFFICE)

    #4Up 1 from #5

    Latest 12 months

    $12.7M

    5.0% of positive obligations

    Versus preceding 12 months

    −$13.4M

    9 active prime contractors · 20 awards

    View office comparison and evidence

    Reported obligations decreased 51.3% from $26.1M to $12.7M. The office’s share of positive obligations moved from 6.5% to 5.0%, a change of −1.5 percentage points.

    The latest period contains 36 actions across 20 awards and 2 newly active prime contractors. The preceding period contained 9 active prime contractors and 21 awards.

  5. Reported funding office

    REGION 7 (FUNDING OFFICE)

    #5Up 9 from #14

    Latest 12 months

    $10.2M

    4.0% of positive obligations

    Versus preceding 12 months

    +$6.0M

    8 active prime contractors · 154 awards

    View office comparison and evidence

    Reported obligations increased 145.8% from $4.1M to $10.2M. The office’s share of positive obligations moved from 1.0% to 4.0%, a change of +3.0 percentage points.

    The latest period contains 215 actions across 154 awards and 3 newly active prime contractors. The preceding period contained 7 active prime contractors and 134 awards.

  6. Reported funding office

    REGION 2 (FUNDING OFFICE)

    #6Up 3 from #9

    Latest 12 months

    $8.6M

    3.4% of positive obligations

    Versus preceding 12 months

    −$527K

    9 active prime contractors · 21 awards

    View office comparison and evidence

    Reported obligations decreased 5.8% from $9.2M to $8.6M. The office’s share of positive obligations moved from 2.3% to 3.4%, a change of +1.1 percentage points.

    The latest period contains 37 actions across 21 awards and 1 newly active prime contractor. The preceding period contained 9 active prime contractors and 21 awards.

  7. Reported funding office

    REGION 1 (FUNDING OFFICE)

    #7Up 10 from #17

    Latest 12 months

    $7.9M

    3.1% of positive obligations

    Versus preceding 12 months

    +$4.6M

    11 active prime contractors · 25 awards

    View office comparison and evidence

    Reported obligations increased 139.6% from $3.3M to $7.9M. The office’s share of positive obligations moved from 0.83% to 3.1%, a change of +2.3 percentage points.

    The latest period contains 37 actions across 25 awards. The preceding period contained 13 active prime contractors and 38 awards.

  8. Reported funding office

    OFC ENFCOMPL ASSU (OECA) (FUNDING)

    #8Down 1 from #7

    Latest 12 months

    $7.5M

    3.0% of positive obligations

    Versus preceding 12 months

    −$6.1M

    6 active prime contractors · 32 awards

    View office comparison and evidence

    Reported obligations decreased 45.2% from $13.6M to $7.5M. The office’s share of positive obligations moved from 3.4% to 3.0%, a change of −0.5 percentage points.

    The latest period contains 92 actions across 32 awards and 1 newly active prime contractor. The preceding period contained 8 active prime contractors and 62 awards.

  9. Reported funding office

    REGION 10 (FUNDING OFFICE)

    #9Up 1 from #10

    Latest 12 months

    $6.8M

    2.7% of positive obligations

    Versus preceding 12 months

    −$1.2M

    11 active prime contractors · 83 awards

    View office comparison and evidence

    Reported obligations decreased 15.2% from $8.0M to $6.8M. The office’s share of positive obligations moved from 2.0% to 2.7%, a change of +0.7 percentage points.

    The latest period contains 109 actions across 83 awards and 2 newly active prime contractors. The preceding period contained 10 active prime contractors and 79 awards.

  10. Reported funding office

    REGION 8 (FUNDING OFFICE)

    #10Up 1 from #11

    Latest 12 months

    $6.4M

    2.5% of positive obligations

    Versus preceding 12 months

    −$1.3M

    11 active prime contractors · 31 awards

    View office comparison and evidence

    Reported obligations decreased 16.4% from $7.6M to $6.4M. The office’s share of positive obligations moved from 1.9% to 2.5%, a change of +0.6 percentage points.

    The latest period contains 52 actions across 31 awards and 3 newly active prime contractors. The preceding period contained 11 active prime contractors and 48 awards.

  11. Reported funding office

    OFC FOR AIR RAD (OAR) (FUNDING)

    #11Down 8 from #3

    Latest 12 months

    $6.1M

    2.4% of positive obligations

    Versus preceding 12 months

    −$59.6M

    17 active prime contractors · 187 awards

    View office comparison and evidence

    Reported obligations decreased 90.7% from $65.7M to $6.1M. The office’s share of positive obligations moved from 16.5% to 2.4%, a change of −14.0 percentage points.

    The latest period contains 355 actions across 187 awards and 3 newly active prime contractors. The preceding period contained 17 active prime contractors and 215 awards.

  12. Reported funding office

    REGION 3 (FUNDING OFFICE)

    #12Down 4 from #8

    Latest 12 months

    $4.9M

    1.9% of positive obligations

    Versus preceding 12 months

    −$6.3M

    10 active prime contractors · 41 awards

    View office comparison and evidence

    Reported obligations decreased 56.2% from $11.2M to $4.9M. The office’s share of positive obligations moved from 2.8% to 1.9%, a change of −0.9 percentage points.

    The latest period contains 132 actions across 41 awards and 3 newly active prime contractors. The preceding period contained 9 active prime contractors and 34 awards.

  13. Reported funding office

    REGION 5 (FUNDING OFFICE)

    #13Down 7 from #6

    Latest 12 months

    $4.5M

    1.8% of positive obligations

    Versus preceding 12 months

    −$10.4M

    16 active prime contractors · 126 awards

    View office comparison and evidence

    Reported obligations decreased 69.6% from $14.9M to $4.5M. The office’s share of positive obligations moved from 3.7% to 1.8%, a change of −1.9 percentage points.

    The latest period contains 236 actions across 126 awards and 2 newly active prime contractors. The preceding period contained 17 active prime contractors and 96 awards.

  14. Reported funding office

    REGION 9 (FUNDING OFFICE)

    No positive-obligation rank

    Latest 12 months

    −$21.2M

    0% of positive obligations

    Versus preceding 12 months

    −$120.9M

    27 active prime contractors · 178 awards

    View office comparison and evidence

    Reported obligations moved from $99.7M in net obligations to $21.2M in net deobligations. The office’s share of positive obligations moved from 25.0% to 0%, a change of −25.0 percentage points.

    The latest period contains 294 actions across 178 awards and 10 newly active prime contractors. The preceding period contained 27 active prime contractors and 183 awards.

    Leading award-level changes

How this work is bought

Reported award structure, competition, pricing, work categories, and contracting channels for EPA environmental consulting.

During Jul 28, 2025–Jul 27, 2026, this market recorded $336.1M in positive net award obligations across 652 awards. The leading reported procedure, Negotiated Proposal/Quote, accounted for 54.6% of that positive-obligation base. Awards with a reported parent IDV accounted for 99.5%.

Leading award type
71.1%
Delivery Order
Leading reported procedure
54.6%
Negotiated Proposal/Quote
Reported parent IDV
99.5%
of positive obligations had a reported parent IDV
Median reported offers
1
151 of 652 awards reported offers · Limited reporting

Same-NAICS comparison

Compared with the NAICS 541620 peer median, parent-IDV obligation share is 21.0 percentage points higher, reported full-and-open obligation share is 18.5 percentage points higher, delivery-order obligation share is 20.3 percentage points higher, and median positive award obligations are 16.4% higher.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share99.5%78.5%+21.0 pts
Reported full-and-open obligation share87.4%68.9%+18.5 pts
Delivery-order obligation share71.1%50.8%+20.3 pts
Median positive award obligations$154K$133K+16.4%
Peer cohort and comparison limits

The peer median gives each of the 12 eligible agency markets equal weight. The included agency markets are:

Agency mission, scale, and acquisition context can differ. Peer position does not establish market attractiveness or predict a future procurement method.

View buying-method details and data coverage

Award types

Reported valueAwardsPositive obligationsShare
Delivery Order(C)463$239.0M71.1%
BPA Call(A)173$95.4M28.4%
Definitive Contract(D)9$1.2M0.36%
Purchase Order(B)7$556K0.17%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)443$231.4M68.9%
BPA(E)173$95.4M28.4%
FSS(C)20$7.5M2.2%
Not reported16$1.8M0.53%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)504$271.2M80.7%
Multiple Award(M)132$63.1M18.8%
Not reported16$1.8M0.53%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Negotiated Proposal/Quote(NP)338$183.4M54.6%
Subject To Multiple Award Fair Opportunity(MAFO)278$137.8M41.0%
Only One Source(SSS)27$13.7M4.1%
Simplified Acquisition(SP1)9$1.1M0.34%

Extent competed

Reported valueAwardsPositive obligationsShare
Full And Open Competition(A)531$293.7M87.4%
Full And Open Competition After Exclusion Of Sources(D)85$27.5M8.2%
Not Available For Competition(B)15$9.6M2.9%
Not Competed(C)12$4.1M1.2%
Not Competed Under SAP(G)4$643K0.19%
Competed Under SAP(F)5$492K0.15%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)228$128.1M38.1%
Competitive Set Aside(CSA)12$5.0M1.5%
Follow-On Action Following Competitive Initial Action(FOO)26$2.7M0.81%
Other Statutory Authority(OSA)3$929K0.28%
Only One Source - Other(ONE)7$717K0.21%
Minimum Guarantee(MG)1$416K0.12%
Other reported values1$28K0.0083%
Not reported374$198.3M59.0%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Authorized By Statute (FAR 6.302-5(A)(2)(I))(OTH)16$9.9M2.9%
Only One Source-Other (FAR 6.302-1 Other)(ONE)11$4.0M1.2%
SAP Non-Competition (FAR 13)(SP2)3$364K0.11%
Urgency (FAR 6.302-2)(URG)1$142K0.040%
Not reported621$321.7M95.7%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Time And Materials(Y)341$148.9M44.3%
Cost Plus Fixed Fee(U)111$96.6M28.8%
Firm Fixed Price(J)153$77.6M23.1%
Labor Hours(Z)43$12.6M3.8%
Fixed Price Level Of Effort(B)2$354K0.11%
Fixed Price Award Fee(M)1$54K0.020%
Other reported values1$20K0.0059%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Support- Professional: Other(R499)105$104.6M31.1%
Other Environmental Services(F999)123$60.4M18.0%
Support- Professional: Emergency Response/Disaster Planning/Preparedness Support(R429)141$55.6M16.6%
Environmental Systems Protection- Environmental Consulting And Legal Support(F115)53$43.4M12.9%
Environmental Systems Protection- Environmental Remediation(F108)38$20.4M6.1%
Support- Professional: Engineering/Technical(R425)67$18.8M5.6%
Other reported values125$32.8M9.8%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Environmental Protection Agency(6800)651$332.1M98.8%
Department of the Army(2100)1$4.0M1.2%

Awarding offices

Reported valueAwardsPositive obligationsShare
Water, Tribal & Science Division(68HERW)152$108.8M32.4%
Land, Enforcement, And Air Division(68HERL)148$98.3M29.3%
Region 7 Contracting Office(68HE07)96$21.4M6.4%
Region 9 Contracting Office(68HE09)77$20.1M6.0%
Region 6 Contracting Office(68HE06)10$18.5M5.5%
Region 5 Contracting Office(68HE05)44$17.1M5.1%
Other reported values125$52.0M15.5%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
68HERC23D0001(6800)15$29.9M8.9%
68HERH22A0029(6800)6$25.7M7.7%
68HERC23D0008(6800)12$25.7M7.6%
68HERH22A0020(6800)11$18.7M5.6%
68HERC23D0011(6800)33$14.3M4.3%
68HE0725D0006(6800)51$12.7M3.8%
68HE0525D0004(6800)16$12.1M3.6%
68HE0623D0001(6800)5$11.5M3.4%
Other reported values487$183.7M54.7%
Not reported16$1.8M0.53%

Offers, award size, and timing

Median reported offers
1 median
151 reported · 501 not reported · Limited reporting
Positive award obligations
$154K median
$63K–$415K middle 50%
Reported performance period
658 days (~22 months) median
652 reported · 0 not reported

Calculations group latest-period actions by award, retain awards with positive net obligations for share denominators, and use each award's latest reported USAspending procurement fields as of Jul 27, 2026. Blank competition, pricing, PSC, or parent-IDV values remain not reported; they are not inferred. Offer counts must be positive and below the FPDS 999 placeholder. Awarding organizations can differ from the funding agency that defines this page.

Prime contractors for EPA environmental consulting

Latest 12-month concentration and complete prime contractor rankings across the period shown.

Prime contractor concentration
15 of 62prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
20.5%of positive obligations in the last 12 months
Leading four prime contractors
47.2%of positive obligations in the last 12 months
Leading eight prime contractors
63.2%of positive obligations in the last 12 months

Based on $240.5M in positive obligations during the 12 months ending Jul 27, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Jul 28, 2024–Jul 27, 2025.

Last 12mo obligation volume: Highest positive obligations first; net deobligations follow by magnitude; contractors with no activity in the last 12 months follow by all-period obligations. Ranks use the complete contractor list and remain fixed when search narrows the results.

15 leading contractors
  1. #1

    Last 12mo obligations

    $49.3M

    20.5%

    Dollar movement

    −$13.9M

    vs. prior 12 months

    Last 12mo awards

    208 awards

    543 actions

    Historical and award details for EASTERN RESEARCH GROUP INC
    Obligations: prior → latest
    $63.3M → $49.3M
    −22.0%
    Share: prior → latest
    15.8% → 20.5%
    +4.7 percentage points
    All-period obligations
    $303.1M
    17.9% of all-period positive obligations · 416 awards
    Recorded activity
    Since Oct 4, 2021
    through Jul 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside1920
    Not reported189208
    Reported small business22
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $27.9M

    11.6%

    Dollar movement

    +$11.5M

    vs. prior 12 months

    Last 12mo awards

    31 awards

    87 actions

    Historical and award details for GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.
    Obligations: prior → latest
    $16.5M → $27.9M
    +69.5%
    Share: prior → latest
    4.1% → 11.6%
    +7.5 percentage points
    All-period obligations
    $93.9M
    5.5% of all-period positive obligations · 84 awards
    Recorded activity
    Since Dec 2, 2021
    through Jul 17, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported3147
    Reported small business00
    All-period set-aside types

    None reported.

  3. #3

    Last 12mo obligations

    $21.9M

    9.1%

    Dollar movement

    −$28.1M

    vs. prior 12 months

    Last 12mo awards

    34 awards

    84 actions

    Historical and award details for S C & A INC
    Obligations: prior → latest
    $49.9M → $21.9M
    −56.2%
    Share: prior → latest
    12.5% → 9.1%
    −3.4 percentage points
    All-period obligations
    $96.2M
    5.7% of all-period positive obligations · 62 awards
    Recorded activity
    Since Oct 1, 2021
    through Jul 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside21
    Reported no set-aside00
    Not reported3241
    Reported small business3442
    All-period set-aside types
    • 3 · Total small business
  4. #4

    Last 12mo obligations

    $14.5M

    6.0%

    Dollar movement

    +$1.1M

    vs. prior 12 months

    Last 12mo awards

    56 awards

    101 actions

    Historical and award details for THE CADMUS GROUP LLC
    Obligations: prior → latest
    $13.3M → $14.5M
    +8.6%
    Share: prior → latest
    3.3% → 6.0%
    +2.7 percentage points
    All-period obligations
    $70.6M
    4.2% of all-period positive obligations · 91 awards
    Recorded activity
    Since Feb 15, 2022
    through Jul 21, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported5652
    Reported small business00
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $10.1M

    4.2%

    Dollar movement

    −$267K

    vs. prior 12 months

    Last 12mo awards

    51 awards

    78 actions

    Historical and award details for WESTON-TECHLAW JV LLC
    Obligations: prior → latest
    $10.4M → $10.1M
    −2.6%
    Share: prior → latest
    2.6% → 4.2%
    +1.6 percentage points
    All-period obligations
    $52.8M
    3.1% of all-period positive obligations · 93 awards
    Recorded activity
    Since Aug 10, 2022
    through Jul 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported5160
    Reported small business5160
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $10.0M

    4.2%

    Dollar movement

    +$8.7M

    vs. prior 12 months

    Last 12mo awards

    23 awards

    54 actions

    Historical and award details for ENVIRONMENTAL MANAGEMENT SUPPORT, INC
    Obligations: prior → latest
    $1.3M → $10.0M
    +679.0%
    Share: prior → latest
    0.32% → 4.2%
    +3.8 percentage points
    All-period obligations
    $21.1M
    1.3% of all-period positive obligations · 58 awards
    Recorded activity
    Since Oct 20, 2021
    through Jul 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported2229
    Reported small business2330
    All-period set-aside types
    • 2 · Total small business
  7. #7

    Last 12mo obligations

    $10.0M

    4.2%

    Dollar movement

    +$4.9M

    vs. prior 12 months

    Last 12mo awards

    25 awards

    67 actions

    Historical and award details for TETRA TECH, INC.
    Obligations: prior → latest
    $5.1M → $10.0M
    +96.5%
    Share: prior → latest
    1.3% → 4.2%
    +2.9 percentage points
    All-period obligations
    $32.3M
    1.9% of all-period positive obligations · 50 awards
    Recorded activity
    Since Oct 5, 2021
    through Jul 21, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported2522
    Reported small business00
    All-period set-aside types

    None reported.

  8. #8

    Last 12mo obligations

    $8.3M

    3.4%

    Dollar movement

    +$5.4M

    vs. prior 12 months

    Last 12mo awards

    18 awards

    73 actions

    Historical and award details for SRC INC
    Obligations: prior → latest
    $2.8M → $8.3M
    +190.8%
    Share: prior → latest
    0.71% → 3.4%
    +2.7 percentage points
    All-period obligations
    $33.6M
    2.0% of all-period positive obligations · 34 awards
    Recorded activity
    Since Oct 20, 2021
    through Jul 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1825
    Reported small business00
    All-period set-aside types

    None reported.

  9. #9

    Last 12mo obligations

    $8.2M

    3.4%

    Dollar movement

    +$4.9M

    vs. prior 12 months

    Last 12mo awards

    135 awards

    186 actions

    Historical and award details for TETRA TECH, INC.
    Obligations: prior → latest
    $3.3M → $8.2M
    +145.7%
    Share: prior → latest
    0.83% → 3.4%
    +2.6 percentage points
    All-period obligations
    $35.0M
    2.1% of all-period positive obligations · 306 awards
    Recorded activity
    Since Oct 5, 2021
    through Jul 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported135116
    Reported small business00
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $7.6M

    3.1%

    Dollar movement

    −$2.6M

    vs. prior 12 months

    Last 12mo awards

    20 awards

    50 actions

    Historical and award details for WSP USA ENVIRONMENT & INFRASTRUCTURE INC.
    Obligations: prior → latest
    $10.2M → $7.6M
    −25.6%
    Share: prior → latest
    2.5% → 3.1%
    +0.6 percentage points
    All-period obligations
    $36.8M
    2.2% of all-period positive obligations · 55 awards
    Recorded activity
    Since Oct 7, 2021
    through Jul 5, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported1934
    Reported small business10
    All-period set-aside types

    None reported.

  11. #11

    Last 12mo obligations

    $7.0M

    2.9%

    Dollar movement

    +$3.9M

    vs. prior 12 months

    Last 12mo awards

    6 awards

    14 actions

    Historical and award details for ALEUT TECHNICAL SERVICES, LLC
    Obligations: prior → latest
    $3.1M → $7.0M
    +122.4%
    Share: prior → latest
    0.79% → 2.9%
    +2.1 percentage points
    All-period obligations
    $15.4M
    0.91% of all-period positive obligations · 9 awards
    Recorded activity
    Since May 1, 2023
    through Jun 1, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported64
    Reported small business64
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $6.7M

    2.8%

    Dollar movement

    −$16.1M

    vs. prior 12 months

    Last 12mo awards

    26 awards

    50 actions

    Historical and award details for TETRA TECH, INC.
    Obligations: prior → latest
    $22.8M → $6.7M
    −70.8%
    Share: prior → latest
    5.7% → 2.8%
    −2.9 percentage points
    All-period obligations
    $74.8M
    4.4% of all-period positive obligations · 55 awards
    Recorded activity
    Since Dec 1, 2021
    through Jul 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported2625
    Reported small business00
    All-period set-aside types

    None reported.

  13. #13

    Last 12mo obligations

    $6.0M

    2.5%

    Dollar movement

    −$3.8M

    vs. prior 12 months

    Last 12mo awards

    35 awards

    56 actions

    Historical and award details for GREAT LAKES ENVIRONMENTAL CENTER, INC
    Obligations: prior → latest
    $9.8M → $6.0M
    −39.0%
    Share: prior → latest
    2.4% → 2.5%
    +0.1 percentage points
    All-period obligations
    $35.5M
    2.1% of all-period positive obligations · 83 awards
    Recorded activity
    Since Oct 5, 2021
    through Jul 1, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside33
    Reported no set-aside00
    Not reported3233
    Reported small business2419
    All-period set-aside types
    • 4 · Total small business
  14. #14

    Last 12mo obligations

    $4.9M

    2.0%

    Dollar movement

    +$1.5M

    vs. prior 12 months

    Last 12mo awards

    110 awards

    139 actions

    Historical and award details for TOEROEK ASSOCIATES, INC.
    Obligations: prior → latest
    $3.4M → $4.9M
    +45.5%
    Share: prior → latest
    0.84% → 2.0%
    +1.2 percentage points
    All-period obligations
    $29.6M
    1.8% of all-period positive obligations · 277 awards
    Recorded activity
    Since Oct 6, 2021
    through Jul 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside34
    Reported no set-aside11
    Not reported10697
    Reported small business110102
    All-period set-aside types
    • 8 · Total small business
  15. #15

    Last 12mo obligations

    $4.4M

    1.8%

    Dollar movement

    −$512K

    vs. prior 12 months

    Last 12mo awards

    11 awards

    17 actions

    Historical and award details for TETRA TECH INC
    Obligations: prior → latest
    $4.9M → $4.4M
    −10.4%
    Share: prior → latest
    1.2% → 1.8%
    +0.6 percentage points
    All-period obligations
    $27.4M
    1.6% of all-period positive obligations · 21 awards
    Recorded activity
    Since Oct 8, 2021
    through May 11, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1115
    Reported small business00
    All-period set-aside types

    None reported.

Recompete watch for EPA environmental consulting

Investigate potential recompetes surfaced by near-term end dates, award value, and recent contract changes.

EASTERN RESEARCH GROUP INC

F999-CLOSING AMERICAS WASTEWATER ACCESS GAP COMMUNITY PROGRAM SUPPORT

$38.1M is obligated on an award with a reported potential end date of February 15, 2027.

Performance period

81.2%

As of Jul 27, 2026Potential end Feb 15, 2027

Current award value as a share of potential value

100.0%

$51.0M current$51.0M potential
Supporting data

Reported performance starts Mar 4, 2024.

No later potential end date is reported; current and potential end dates are both Feb 15, 2027.

$38.1M is obligated against $51.0M in current reported award value (74.7%).

Obligations are compared with current reported award value, not treated as a contract ceiling.

PIID 68HERC24F0156

S C & A INC

R499- TACKLING EMERGING CONTAMINANTS (TEC) WATER TECHNICAL ASSISTANCE (WATERTA) P00006: EXERCISE OPTION PERIOD 2 AND OBLIGATE FUNDING

$52.8M is obligated on an award with a reported potential end date of September 18, 2027.

Performance period

61.8%

As of Jul 27, 2026Potential end Sep 18, 2027

Current award value as a share of potential value

100.0%

$53.6M current$53.6M potential
Supporting data

Reported performance starts Sep 19, 2024.

No later potential end date is reported; current and potential end dates are both Sep 18, 2027.

$52.8M is obligated against $53.6M in current reported award value (98.5%).

Obligations are compared with current reported award value, not treated as a contract ceiling.

PIID 68HERC24F0515

These are research leads, not confirmed recompetes. USAspending records through Jul 27, 2026; reported dates and values can change through later modifications.

Award activity for EPA environmental consulting

Recent contract actions with unusually large obligation changes or meaningful shifts in contractor and funding-office activity.

Deobligation

This action

−$36.1M

WESTON SOLUTIONS INC

REGION 9 (FUNDING OFFICE)

START MODIFICATION EXTEND PERIOD OF PERFORMANCE (POP) END DATE SHALL NOW BE 12/31/2026. DE-OBLIGATION ($36,120,272.11).

Why it stands out

This award recorded a material contraction.

The action removed $36.1M. A deobligation does not by itself show lower requirement demand.

Award net obligations
$13.9M
Share of 12-month positive obligations
15.0%
Supporting data
Prime contractor
0% share
−20.2 percentage points · $84.2M net decline; action accounted for 42.9%
Funding office
0% attributed share
−25.0 percentage points · $120.9M net decline; action accounted for 29.9%
Related:Largest deobligation actionLargest net deobligation
PIID 68HE0925F0018 · Mod P00005
Modification

This action

+$18.4M

S C & A INC

OFFICE FOR WATER (OW) (FUNDING)

R499- TACKLING EMERGING CONTAMINANTS (TEC) WATER TECHNICAL ASSISTANCE (WATERTA) P00006: EXERCISE OPTION PERIOD 2 AND OBLIGATE FUNDING

Why it stands out

The award grew alongside stronger office-attributed spending.

The modification added $18.4M while office-attributed obligations rose $32.6M overall.

Award net obligations
$52.8M
Share of 12-month positive obligations
7.6%
Supporting data
Prime contractor
#3 · 9.1% share
$28.1M net decline despite this positive action
Funding office
#1 · 45.6% attributed share
up 1 rank · +25.0 percentage points · $32.6M net increase; action accounted for 56.3%
Related:Funding office gain
PIID 68HERC24F0515 · Mod P00006
Base award

This action

+$12.5M

GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.

OFFICE FOR WATER (OW) (FUNDING)

R499 SUPPORT FOR LEAD SERVICE LINE INVENTORIES AND REPLACEMENT - GET THE LEAD OUT (GLO) INITIATIVE

Why it stands out

The contractor climbed 4 positions in this market.

It now ranks #2 by positive obligations over the latest 12 months.

Award net obligations
$18.5M
Share of 12-month positive obligations
5.2%
Supporting data
Prime contractor
#2 · 11.6% share
up 4 ranks · +7.5 percentage points · $11.5M net increase; action exceeded it by $1.0M
Related:Largest share gain
PIID 68HERC26F0013
Deobligation

This action

−$10.6M

EASTERN RESEARCH GROUP INC

OFC FOR AIR RAD (OAR) (FUNDING)

MOD 15 - THE PURPOSE OF THIS BILATERAL MODIFICATION IS TO DE-OBLIGATE FUNDING FROM THE CALL ORDER

Why it stands out

This award recorded a material contraction.

The action removed $10.6M. A deobligation does not by itself show lower requirement demand.

Award net obligations
$6.8M
Share of 12-month positive obligations
4.4%
Supporting data
Prime contractor
#1 · 20.5% share
up 1 rank · +4.7 percentage points · $13.9M net decline; action accounted for 76.1%
Funding office
#11 · 2.4% attributed share
down 8 ranks · −14.0 percentage points · $59.6M net decline; action accounted for 17.8%
Related:Funding office decline
PIID 68HERH24F0015 · Mod P00015
Modification

This action

+$2.1M

WESTON-TECHLAW JV LLC

OFC LANDEMERG MGMT (OLEM)(FUNDING)

F115: RESPONSE ENGINEERING & ANALYTICAL CONTRACT - CORE RESPONSE TEAM SUPPORT. MOD P00012: MODIFICATION TO ADD INCREMENTAL FUNDING.

Why it stands out

The contractor climbed 4 positions in this market.

It now ranks #5 by positive obligations over the latest 12 months.

Award net obligations
$21.3M
Share of 12-month positive obligations
0.89%
Supporting data
Prime contractor
#5 · 4.2% share
$267K net decline despite this positive action
PIID 68HE0322F0065 · Mod P00012
Modification

This action

+$2.5M

ENVIRONMENTAL MANAGEMENT SUPPORT, INC

OFC LANDEMERG MGMT (OLEM)(FUNDING)

OLEM MISSION SUPPORT CALL ORDER. TITLE: LEARNING AND DEVELOPMENT SUPPORT FOR THE CERCLA EDUCATION CENTER. P00006: EXERCISE AND FUND OPTION PERIOD 1

Why it stands out

The contractor climbed 26 positions in this market.

It now ranks #6 by positive obligations over the latest 12 months.

Award net obligations
$4.5M
Share of 12-month positive obligations
1.0%
Supporting data
Prime contractor
#6 · 4.2% share
up 26 ranks · +3.8 percentage points · $8.7M net increase; action accounted for 28.7%
Funding office
#2 · 14.4% attributed share
up 2 ranks · +7.0 percentage points · $6.9M net increase; action accounted for 36.3%
Related:Largest rank gain
PIID 68HERH25F0235 · Mod P00006
View recent award activity by date (10)
  1. S C & A INCModification · PIID 68HERC24F0356
    Action+$1.0M
    Award net obligations$4.7M
  2. ABT GLOBAL LLCDeobligation · PIID EPW17009
    Action−$245K
    Award net obligations$7.7M
  3. BUCHAN EDNADeobligation · PIID 68HE0925C0002
    Action−$170K
    Award net obligations$59K
  4. TETRA TECH, INC.Modification · PIID 68HE0726F0073
    Action+$57K
    Award net obligations$96K
  5. THE NDN COMPANIESBase award · PIID 68HE0926C0004
    Action+$502K
    Award net obligations$502K
  6. EASTERN RESEARCH GROUP INCBase award · PIID 68HERL26F0133
    Action+$150K
    Award net obligations$150K
  7. EASTERN RESEARCH GROUP INCBase award · PIID 68HERW26F0157
    Action+$35K
    Award net obligations$35K
  8. TOEROEK ASSOCIATES, INC.Modification · PIID 68HE0926F0025
    Action+$16K
    Award net obligations$36K
  9. TOEROEK ASSOCIATES, INC.Modification · PIID 68HE0926F0022
    Action+$14K
    Award net obligations$26K
  10. TETRA TECH, INC.Base award · PIID 68HERL26F0175
    Action+$2.2M
    Award net obligations$2.2M

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Complete market indexes:

Same NAICS at other agencies:

Nearby NAICS at this agency:

Markets sharing leading prime records:

Leading-prime vehicle memberships:

Company memberships do not establish award-channel use.

Reported obligations include contract actions from October 1, 2021 through July 27, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology