Technical support for EPA ords ecological and global change assessment research
Active Indefinite Delivery Contract Awarded Last action
- Contract number
- 68HERC22D0026
- Awardee
-
Tetra Tech, Inc. UEI X38LAAB5HB64 Part of Tetra Tech, Inc.
- Awarding agency
-
Environmental Protection Agency
- Task orders
- 30 $5,541,285 obligated
Award facts
- Opportunity
-
- Ecological and Global Change Assessment Research Pre-Solicitation · 68HERC21R0209 · Posted Aug 12, 2021
- Combined order value
-
- $6,100,389 Current, with exercised options
- $6,721,984 Potential, with all options
- Last date to order 81% complete
- IDV ceiling 6% used
- $100,500,000.00
- Award type
- Single award
- Who can order
- Only the awarding agency
- Funding agency
- Office of the Administrator Environmental Protection Agency
- NAICS code
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- PSC
- R499 Support- Professional: Other
- Set-aside
- No set-aside
- Competition
- Full and Open Competition · 2 offers Negotiated Proposal / Quote
- Pricing
- Order Dependent (IDV only)
Award details come from SAM.gov/FPDS.
About this IDV
The Environmental Protection Agency's Office of Research and Development awarded a single-award Indefinite Delivery Contract to Tetra Tech, Inc. with a ceiling of $100.5 million on October 1, 2022, for technical support in ecological and global change assessment research, extending through September 30, 2027.
Work is performed in Fairfax, Virginia, with subordinate performance locations including Washington, D.C., Cincinnati, Ohio, Huntington, West Virginia, Bridgeport, Connecticut, Anchorage, Alaska, New York, New York, Chicago, Illinois, Philadelphia, Pennsylvania, Point Judith, Rhode Island, Essington, Pennsylvania, and Crisfield, Maryland.
The IDIQ was solicited to procure methods development, guidance, and technical support for ecological assessment, water quality standards, Total Maximum Daily Load development, climate change impact analysis on aquatic and terrestrial ecosystems, harmful algal bloom characterization, PFAS spatial analysis, microplastics pathway tracking, and biomonitoring research across EPA regions and customer offices. The contract succeeded EPA's prior single-award ecological assessment vehicle (EP-C-17-031), which expired September 2022.
Recent delivery orders issued under this IDIQ include $819,074.90 (District of Columbia bacteria TMDL modeling, time-and-materials, April 2025); $677,714 (organon case studies and biomonitoring for resilience, firm fixed price, March 2023); $666,162.89 (Chesapeake coastal resiliency research using blue carbon products, firm fixed price, February 2023); $373,279.89 (public water system harmful algal bloom vulnerability assessment, EPA Region 2, firm fixed price, January 2024); $364,807.02 (regional monitoring networks for streams, lakes, and wetlands, firm fixed price, September 2023); $362,645 (National Rivers and Streams Assessment laboratory quality assurance, firm fixed price, July 2023); $290,216.89 (Lower Guyandotte Watershed Total Maximum Daily Load support for ionic toxicity, West Virginia, firm fixed price, September 2023); $247,282.40 (mining-influenced water treatment technology performance documentation at Superfund and abandoned mine lands sites, time-and-materials, September 2023); and $269,788 (National Coastal Condition Assessment external benthic quality assurance, May 2025). Additional orders span enhanced efficiency fertilizer assessment using SWAT hydrologic modeling, cyanobacterial bloom vulnerability screening for Alaska public water systems, PFAS data curation through the Freshwater Explorer platform, alpine lake climate and land use risk reviews, and microplastics pathway tracking in watersheds.
Tetra Tech is a large for-profit environmental and engineering consulting firm with no small business designations.
Task orders
Show all 30
Transactions
| Action | Obligated | Date |
|---|---|---|
| Add Subcontract Plan | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | $0 | |
| Other Administrative Action | -$50,000 | |
| Original award | $50,000 |
Show all 13
Subawards
| Subcontractor | Amount | Awarded |
|---|---|---|
| Salisbury University | $50,000 | |
| Cole Ecological Inc. | $38,975 |
Quick answers
Who was awarded contract 68HERC22D0026?
68HERC22D0026 was awarded to Tetra Tech, Inc. by Environmental Protection Agency on October 1, 2022.
How much is contract 68HERC22D0026 worth?
Orders under 68HERC22D0026 have obligated $5,541,285. Their combined current value, with exercised options, is $6,100,389. Their combined potential value, with all options, is $6,721,984. 68HERC22D0026's own ceiling is $100,500,000.
How many orders have been placed under contract 68HERC22D0026?
30 orders have been placed under 68HERC22D0026, the latest on February 27, 2026.
Which agency awarded contract 68HERC22D0026?
Environmental Protection Agency awarded 68HERC22D0026, with funding from Office of the Administrator (Environmental Protection Agency).
Who can order from contract 68HERC22D0026?
68HERC22D0026 is a single award indefinite delivery contract. Only the awarding agency can place orders on it.
Was contract 68HERC22D0026 competed?
The extent of competition for 68HERC22D0026 was full and open competition. The government received 2 offers.
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