R499-ecological and human health risks of contaminants in water, fish and sediments and of microbial pathogens in surface waters
Active Indefinite Delivery Contract Awarded Last action
- Contract number
- 68HERW26D0007
- Awardee
-
Tetra Tech, Inc. UEI X38LAAB5HB64 Part of Tetra Tech, Inc.
- Awarding agency
-
Environmental Protection Agency
- Task orders
- 5 $1,388,377 obligated
Award facts
- Opportunity
-
- Ecological and Human Health Risks of Contaminants in Water, Fish and Sediments Pre-Solicitation · 68HERC25R0243 · Posted Aug 18, 2025
- Combined order value
-
- $1,671,527 Current, with exercised options
- $3,654,676 Potential, with all options
- Last date to order 11% complete
- IDV ceiling 6% used
- $25,000,000.00
- Award type
- Single award
- Who can order
- Only the awarding agency
- Funding agency
- Office of Water Headquarters Offices, Environmental Protection Agency
- NAICS code
- 541620 Environmental Consulting Services
- PSC
- R499 Support- Professional: Other
- Set-aside
- No set-aside
- Competition
- Full and Open Competition · 1 offer Negotiated Proposal / Quote
- Pricing
- Order Dependent (IDV only)
- Legislative mandates
-
- Employment Eligibility Verification (E-Verify) FAR subpart 22.18
- Service Contract Inventory FAR subpart 4.17
Award details come from SAM.gov/FPDS.
About this IDV
The Environmental Protection Agency's Office of Water awarded a single-award indefinite delivery contract to Tetra Tech, Inc., with a ceiling value of $25 million on April 20, 2026, to procure environmental consulting services assessing ecological and human health risks from contaminants in water, fish, and sediments and microbial pathogens in surface waters. The contract extends through April 19, 2031.
This IDIQ originated from a pre-solicitation posted August 18, 2025, under Solicitation 68HERC25R0243 (NAICS 541620, Environmental Consulting Services). The EPA initially attempted to procure this requirement as a total small business set-aside under Solicitation 68HERC24R0142 on November 19, 2024, but cancelled the set-aside on August 5, 2025, after receiving no acceptable proposals. The agency resolicited the requirement on an unrestricted, full-and-open basis without the set-aside designation.
Performance location is Fairfax, Virginia. Place of performance for individual delivery orders under this IDIQ reflects Fairfax, VA as the primary operational site.
Two delivery orders have been issued under this IDIQ since award. On August 24, 2026, the EPA Office of Water issued a $779,597 cost-plus-fixed-fee order for National Pollutant Discharge Elimination System water quality technical support, completing August 23, 2031. On August 19, 2026, the EPA Office of Water issued a $1,091,134 cost-plus-fixed-fee order for technical support in water quality standards rulemakings, determinations, and actions, running through August 18, 2029. Both orders are performed at Fairfax, VA.
Tetra Tech, Inc., operates without small business designations and competes on unrestricted federal contracts. The firm maintains substantial existing EPA customer concentration, with EPA entities accounting for roughly 60 percent of recent prime footprint by dollar volume.
Task orders
Transactions
| Action | Obligated | Date |
|---|---|---|
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Original award | $100,000 |
Quick answers
Who was awarded contract 68HERW26D0007?
68HERW26D0007 was awarded to Tetra Tech, Inc. by Environmental Protection Agency on April 20, 2026.
How much is contract 68HERW26D0007 worth?
Orders under 68HERW26D0007 have obligated $1,388,377. Their combined current value, with exercised options, is $1,671,527. Their combined potential value, with all options, is $3,654,676. 68HERW26D0007's own ceiling is $25,000,000.
How many orders have been placed under contract 68HERW26D0007?
5 orders have been placed under 68HERW26D0007, the latest on February 1, 2027.
Which agency awarded contract 68HERW26D0007?
Environmental Protection Agency awarded 68HERW26D0007, with funding from Office of Water (Headquarters Offices).
Who can order from contract 68HERW26D0007?
68HERW26D0007 is a single award indefinite delivery contract. Only the awarding agency can place orders on it.
Was contract 68HERW26D0007 competed?
The extent of competition for 68HERW26D0007 was full and open competition. The government received 1 offer.
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