R7 start VI: remediation action big river mine tailings
Active Awarded Last action
- Contract number
- 68HE0725F0166
- Awardee
-
Tetra Tech, Inc. UEI HHDHBZL5PLM5 Part of Tetra Tech, Inc.
- Awarding agency
-
EPA Region 7
Regional Offices, Environmental Protection Agency
- Obligated
- $850,482
Award facts
- Contract value 100% obligated
- $850,482.24 Current and potential, with all options
- Completion date 40% complete
- Current and potential, with all options
- NAICS code
- 541620 Environmental Consulting Services
- Set-aside
- No set-aside
- Competition
- Full and Open Competition Negotiated Proposal / Quote
- Pricing
- Time and Materials
- Place of performance
- Knob Lick, MO 63651, USA
Award details come from SAM.gov/FPDS.
Transactions
| Action | Obligated | Date |
|---|---|---|
| Change Order | $334,564 | |
| Change Order | $0 | |
| Original award | $515,919 |
About this award
EPA Region 7 issued a delivery order to Tetra Tech, Inc., doing business as Tetra Tech Em Inc., on August 25, 2025, with a ceiling value of $850,482.24 under the Superfund Technical Assessment and Response Team VI (START VI) contract for remediation action at Big River Mine Tailings in Knob Lick, Missouri.
START VI is a $94.4 million EPA Region 7 single-award indefinite delivery contract extending through June 30, 2028, supporting environmental assessment, emergency response, site investigations, groundwater treatment, risk assessments, hazardous waste cleanup, and technical documentation on a time-and-materials basis. This delivery order extends the period of performance to June 30, 2028, and provides additional incremental funding. Place of performance is Knob Lick, Missouri. Per Service Contract Inventory reporting, FY2025 invoicing on this order totaled $40 thousand against 0.3 FTEs, with no subcontractors reported; Tetra Tech Em Inc. self-performed all labor.
Quick answers
Who was awarded contract 68HE0725F0166?
68HE0725F0166 was awarded to Tetra Tech, Inc. by EPA Region 7 (Regional Offices) on August 25, 2025.
How much is contract 68HE0725F0166 worth?
The government has obligated $850,482 on 68HE0725F0166.
Is contract 68HE0725F0166 an order under another contract?
Yes. 68HE0725F0166 is a delivery order under 68HE0725D0006, an indefinite delivery contract.
Was contract 68HE0725F0166 competed?
The extent of competition for 68HE0725F0166 was full and open competition.
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