R7 start VI: superfund technical assessment & response team 6

Active Indefinite Delivery Contract Awarded Last action

Contract number
68HE0725D0006
Awardee
Awarding agency
Task orders
53 $12,114,876 obligated

Award facts

Opportunity
Combined order value
  • $14,885,659 Current, with exercised options
  • $16,564,190 Potential, with all options
Last date to order 44% complete
IDV ceiling 13% used
$94,379,917.79
Award type
Single award
Who can order
Only the awarding agency
Set-aside
No set-aside
Competition
Full and Open Competition · 1 offer Negotiated Proposal / Quote
Pricing
Firm Fixed Price

Award details come from SAM.gov/FPDS.

About this IDV

EPA Region 7 awarded an indefinite-delivery contract to Tetra Tech, Inc. for $94,379,917.79 on July 1, 2025, as a single-award vehicle to provide Superfund Technical Assessment & Response Team 6 (START VI) services through June 30, 2028.

Work spans EPA Region 7 (Kansas, Missouri, Nebraska, Iowa) with secondary activity in EPA Regions 2 and 9, supporting environmental assessment, emergency response, site investigations, groundwater treatment, risk assessments, hazardous waste cleanup, and technical documentation at contaminated Superfund sites across the Midwest. The originating solicitation, posted October 11, 2024, requested environmental consulting services (NAICS 541620) to assess and respond to environmental incidents and emergencies within Region 7. Place of performance includes multiple contaminated sites and administrative hubs in Lenexa, Kansas; Shawnee, Kansas; Potosi, Missouri; and other locations across the region.

Tetra Tech, Inc.'s Environmental and Infrastructure Division operates as Tetra Tech Em Inc., a large federal contractor competing full-and-open without set-asides. The division has generated at least 51 delivery orders under START VI since the contract's July 2025 award, with notable recent orders including $1.8 million for sampling and analysis support at Cherokee County mining sites (August 2025); $1,443,214 for remedial action technical support at Washington County lead districts in Potosi (September 2025); $2,031,440 for Kansas City warehouse support and management (August 2025); and $1,640,506.77 for technical assistance supporting emergency responses (August 2025). Delivery orders employ time-and-materials and firm fixed-price pricing structures with completion dates ranging from near-term (March 2026) through the contract ceiling date of June 30, 2028.

The contract represents the successor to START V, a $73.3 million predecessor vehicle that generated 253 task orders. Tetra Tech's regional concentration is substantial: the division's portfolio includes 515 awards (95 percent of its total award count) concentrated in EPA Region 7, valued at $315.9 million combined potential value.

Task orders

Task order Ordering agency Obligated Awarded
R7 start VI: 57TH & N broadway geophysical surveys 68HE0727F0008 EPA Region 7 $28,914
R7 start VI: big river mine tailings OU1 PRP yards 68HE0726F0167 EPA Region 7 $95,145
R7 start VI: newton county mine tailings technical support 68HE0726F0114 EPA Region 7 $38,464
R7 start VI: oil/OPA emergency response technical assistance at onion creek 68HE0726F0101 EPA Region 7 $25,000
R7 start VI: lsasd safety training 68HE0726F0081 EPA Region 7 $80,000
R7 start VI: removal site evaluation at 10TH street site in columbus, nebraska 68HE0726F0073 EPA Region 7 $95,580
R7 start VI: PPE preparedness support level a training and facilitation of a hands-on training exercise 68HE0726F0057 EPA Region 7 $49,818
R7 start VI: iowa army ammunition plant response activity technical support 68HE0726F0058 EPA Region 7 $89,997
R7 start VI: world cup 2026 support 68HE0726F0047 EPA Region 7 $302,373
R7 start VI: OPA - atlas oil spill 68HE0726F0041 EPA Region 7 $60,141
R7 start VI: soil and groundwater sampling for west burlington VOC 68HE0726F0038 EPA Region 7 $23,088
R7 start VI: region 9 LOS angeles wildfire FEMA mission eaton PB sampling 68HE0726F0028 EPA Region 7 $60,641
R7 start VI: newton county mine tailings alternate water 68HE0726F0026 EPA Region 7 $34,229
R7 start VI: former united zinc and associated smelters data support, field sampling, and technical support for… 68HE0726F0013 EPA Region 7 $254,384
R7 start VI: preliminary assessments of former martinizing dry cleaning plant 68HE0726F0006 EPA Region 7 $63,137
R7 start VI: removal support for mercury-earnshaw street 68HE0725F0190 EPA Region 7 $34,393
R7 start VI: expanded site investigation ruth norge landerama 68HE0725F0183 EPA Region 7 $59,732
R7 start VI: HRS support general motors sioux city 68HE0725F0180 EPA Region 7 $18,674
R7 start VI:RA technical support, washington county lead districts - furnace creek & old mines (OPTION) potosi 68HE0725F0169 EPA Region 7 $1,156,006
R7 start VI: community engagement support 68HE0725F0176 EPA Region 7 $20,459
R7 start VI: planning and preparedness/regional response team activities 68HE0725F0168 EPA Region 7 $451,523
R7 start VI: viburnum trend lead haul roads 68HE0725F0157 EPA Region 7 $16,734
R7 start VI: remediation action big river mine tailings 68HE0725F0166 EPA Region 7 $850,482
R7 start VI: support & management nebraska subarea support 68HE0725F0152 EPA Region 7 $33,230
R7 start VI: support & management greater ST. Louis subarea support 68HE0725F0151 EPA Region 7 $21,000
R7 start VI: sampling and analysis support cherokee county 68HE0725F0163 EPA Region 7 $449,774
R7 start VI: support & management kansas city warehouse 68HE0725F0140 EPA Region 7 $1,403,840
R7 start VI: residential sampling, analysis, and database update for southwest jefferson county mining 68HE0725F0156 EPA Region 7 $1,018,925
R7 start VI: great rivers subarea contingency plan (GRSACP) project. 68HE0725F0154 EPA Region 7 $59,831
R7 start VI: cherokee zinc-weir smelter remedial action 68HE0725F0149 EPA Region 7 $173,942
R7 start VI: technical support to the quad cities sub-area 68HE0725F0155 EPA Region 7 $50,866
R7 start VI: semo ALT water data management 68HE0725F0150 EPA Region 7 $80,373
R7 start VI: technical support to the omaha-council bluffs subarea support 68HE0725F0137 EPA Region 7 $40,298
R7 start VI: nebraska site assessment assistance and evaluation 68HE0725F0145 EPA Region 7 $138,645
R7 start VI: ncmt residential tech support remedial 68HE0725F0147 EPA Region 7 $417,279
R7 start VI: central kansas wetlands subarea support 68HE0725F0138 EPA Region 7 $115,672
R7 start VI: missouri site assessment assistance and evaluation 68HE0725F0143 EPA Region 7 $86,511
R7 start VI: kansas site assessment assistance and evaluation 68HE0725F0142 EPA Region 7 $131,216
R7 start VI: iowa site assessment assistance and evaluation 68HE0725F0144 EPA Region 7 $174,520
R7 start VI: odmb OU3 residential remedial 68HE0725F0135 EPA Region 7 $462,719
R7 start VI: technical assistance support to EPA to support emergency responses 68HE0725F0128 EPA Region 7 $1,040,507
R7 start VI: technical and analytical services for field subcontract laboratory assistance 68HE0725F0132 EPA Region 7 $66,454
R7 start VI: data/technical support and field sampling for remedial activities caney residential yards 68HE0725F0133 EPA Region 7 $356,474
R7 start VI: ST. Louis/fenton warehouse support & equipment maintenance 68HE0725F0131 EPA Region 7 $214,240
R7 start VI: technical support for ntcra heritage disposal & storage 68HE0725F0125 EPA Region 7 $385,721
R7 start VI: site investigation, sampling, and field activities at the south milner VOC site in ottumwa, IA. 68HE0725F0134 EPA Region 7 $34,395
R7 start VI: technical support to the siouxland sub-area 68HE0725F0127 EPA Region 7 $40,298
R7 start VI: PCE north west street OU00 - PRP removal tcra oversight 68HE0725F0124 EPA Region 7 $51,199
R7 start VI: removal data management support for emergency response and removal program 68HE0725F0126 EPA Region 7 $143,975
R7 start VI: data quality planning and public participation for west lake landfill 68HE0725F0117 EPA Region 7 $74,243
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Transactions

Action Obligated Date
Other Administrative Action P00002 · R7 start VI: superfund technical assessment & response team 6 MOD P00002: the purpose of this modification is to update EPA-G-42-101 contract administration… $0
Change Order P00001 $0
Original award $0

Subawards

Subcontractor Amount Awarded
Archview Services LLC R7 START VI: WORLD CUP 2026 SUPPORT Air Monitoring Equipment Rental for World Cup 2026 $55,400
Northwind Engineering, LLC R7 START VI: NCMT RESIDENTIAL TECH SUPPORT REMEDIAL Lease Vehicles for Region 7 START 6 Contract. To support various Prime Contract Task Orders. $180,000
Northwind Engineering, LLC R7 START VI: TECHNICAL ASSISTANCE SUPPORT TO EPA TO SUPPORT EMERGENCY RESPONSES START 6 Region 7 TEAM SUB Labor, Travel, and ODCs $100,000
Professional Environmental Engineers, Inc. R7 START VI: TECHNICAL ASSISTANCE SUPPORT TO EPA TO SUPPORT EMERGENCY RESPONSES START 6 Region 7 TEAM SUB Labor, Travel, and ODCs $100,000

Quick answers

Who was awarded contract 68HE0725D0006?

68HE0725D0006 was awarded to Tetra Tech, Inc. by EPA Region 7 (Regional Offices) on July 1, 2025.

How much is contract 68HE0725D0006 worth?

Orders under 68HE0725D0006 have obligated $12,114,876. Their combined current value, with exercised options, is $14,885,659. Their combined potential value, with all options, is $16,564,190. 68HE0725D0006's own ceiling is $94,379,918.

How many orders have been placed under contract 68HE0725D0006?

53 orders have been placed under 68HE0725D0006, the latest on October 22, 2026.

Who can order from contract 68HE0725D0006?

68HE0725D0006 is a single award indefinite delivery contract. Only the awarding agency can place orders on it.

Was contract 68HE0725D0006 competed?

The extent of competition for 68HE0725D0006 was full and open competition. The government received 1 offer.

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