EPA Awards $25M Contract to Tetra Tech for Ecological and Human Health Risk Assessment
Summary
The EPA Water, Tribal & Science Division awarded a $25,000,000 contract to Tetra Tech, Inc. of Fairfax, VA (UEI: X38LAAB5HB64) on April 20, 2026. The contract covers professional support services for assessing ecological and human health risks of contaminants in water, fish, sediments, and microbial pathogens in surface waters. The award was made under NAICS code 541620 (Environmental Consulting Services) with a base and all-options value of $25 million.
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GovPing monitors SAM.gov Environmental Compliance Services for new trade & sanctions regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 82 changes logged to date.
What changed
The EPA awarded a single firm-fixed-price contract to Tetra Tech, Inc. for professional services related to ecological and human health risk assessments. The scope includes analyzing contaminants in water, fish, sediments, and microbial pathogens in surface waters under Product Service Code R499. The total contract value is $25,000,000 with a base period and options. Affected parties include environmental consulting firms that may compete for similar EPA contracts; this award does not create compliance obligations for regulated entities. Contractors seeking EPA environmental consulting work should monitor SAM.gov for similar opportunities and ensure their capability statements reflect experience in ecological risk assessment and water quality analysis.
Archived snapshot
Apr 22, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
R--Ecological and Human Health Risks of Contaminants
Active Contract Opportunity Notice ID 68HERC25R0243 Related Notice 68HERC25R0243 Contract Line Item Number Department/Ind. Agency ENVIRONMENTAL PROTECTION AGENCY Sub-tier ENVIRONMENTAL PROTECTION AGENCY Office WATER, TRIBAL & SCIENCE DIVISION
Award Details
- Contract Award Date: Apr 20, 2026
- Contract Award Number: 68HERW26D0007
- Task/Delivery Order Number:
- Contractor Awarded Unique Entity ID: X38LAAB5HB64
- Contractor Awarded Name: TETRA TECH, INC.
- Contractor Awarded Address: FAIRFAX, VA 22030 USA
- Base and All Options Value (Total Contract Value): $25,000,000.00
General Information
- Contract Opportunity Type: Award Notice (Original)
- Original Published Date: Apr 20, 2026 11:31 am EDT
- Inactive Policy: 15 days after contract award date
- Original Inactive Date: May 05, 2026
- Initiative:
- None
Classification
- Original Set Aside:
- Product Service Code: R499 - SUPPORT- PROFESSIONAL: OTHER
- NAICS Code:
- 541620 - Environmental Consulting Services
- Place of Performance: 10306 Eaton Place Fairfax, VA 22030 USA
Description
R499-Ecological and Human Health Risks of Contaminants in Water, Fish and Sediments and of Microbial Pathogens in Surface Waters
Attachments/Links
Contact Information
Contracting Office Address
- 26 WEST MARTIN LUTHER KING DRIVE
- Cincinnati , OH 45268
- USA
Primary Point of Contact
- Loesch, Kimberly F.
- Loesch.Kimberly@epa.gov
- 513-487-2058
Secondary Point of Contact
History
- Apr 20, 2026 11:31 am EDT Award Notice (Original)
- Oct 25, 2025 12:04 am EDT Solicitation (Updated)
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Source
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