Indefinite Delivery Contract 68HERW26D0007
- Not listed
- This indefinite delivery contract award to Tetra Tech, Inc. by the U.S. Environmental Protection Agency (EPA) Office of Water is focused on providing technical support for assessing, managing, and communicating the ecological and human health risks of contaminants in water, fish, sediments, and microbial pathogens in surface waters. The contract, valued at up to $22.7M, supports the EPA's mission to establish and enforce water quality standards under the Clean Water Act. Tetra Tech, a global...
- Tetra Tech, Inc. was awarded a single-award Indefinite Delivery Contract (IDC) by the U.S. Environmental Protection Agency (EPA) Office of Research and Development on October 1, 2022, with a ceiling value of $100.5 million and an ultimate completion date of September 30, 2027. The contract provides technical support for ecological assessment and global climate change research activities, enabling the EPA to issue firm fixed-price and time-and-materials delivery orders as needed. The contract was...
- This Blanket Purchase Agreement (BPA) was awarded to Tetra Tech, Inc. on February 1, 2022, by the Environmental Protection Agency (EPA) Region 9 to provide water consulting services in support of Clean Water Act compliance and implementation activities. The contract is a single-award, non-set-aside vehicle with a ceiling value of $20 million and an ultimate completion date of January 31, 2027. As a large business prime contractor, Tetra Tech was selected without competitive restriction to...
- The U.S. Environmental Protection Agency's Office of Land and Emergency Management awarded a single-award Blanket Purchase Agreement to Tetra Tech, Inc. for Environmental Response Training Program services, with a ceiling value of $32.98 million and an ultimate completion date of April 7, 2029. The contract was awarded on April 12, 2024, with no set-aside designation, reflecting Tetra Tech's status as an established large business. The BPA serves as an indefinite delivery vehicle enabling the...
- Tetra Tech, Inc. (Nus Division - Pittsburgh) was awarded a multiple-award indefinite delivery contract with a ceiling value of $52.2 million by the U.S. Army Corps of Engineers to provide Architect/Engineer Environmental Support Services through February 17, 2026. The contract was established under a pre-solicitation notice issued April 15, 2020, with awards made March 2, 2021, and no set-asides applied. The procurement targets firms with demonstrated expertise in hazardous waste remediation,...
- This Indefinite Delivery Contract (IDC) with a ceiling value of $100,000,000 was awarded by the Air Force Civil Engineer Center (AFCEC) to Tetra Tech, Inc., a large for-profit environmental consulting and engineering firm. The contract is for Architect-Engineering Environmental Services (A-E ES) to support environmental programs worldwide from 2023 to 2035. The IDC will provide task order opportunities for Tetra Tech to deliver a range of specialized environmental services to AFCEC and...
- The Blanket Purchase Agreement (BPA) contract ID GS00F168CA|68HERC22A0021 was awarded by the U.S. Environmental Protection Agency's (EPA) Office of Water, a civilian agency, to the prime contractor Tetra Tech, Inc., a global consulting and engineering firm. The $105 million contract provides technical support services across various environmental and water quality initiatives, including the Nutrient Scientific Technical Exchange Partnership and Support (N-STEPS) program, Minnesota sulfate...
- The federal contract IDV award to Tetra Tech, Inc. is a multiple-award Federal Supply Schedule contract with the Federal Acquisition Service, a civilian agency. The contract has a ceiling value of $940,977.00 and was originally awarded on February 22, 2000, with an ultimate completion date of February 21, 2015. Under this contract, Tetra Tech provides a range of professional services to various federal agencies, including the Environmental Protection Agency, National Institute of Standards and...
- The Department of the Army Installation Management Command Headquarters awarded a multiple award indefinite delivery contract to Tetra Tech, Inc., a global provider of consulting and engineering services, for ENVIRONMENTAL REMEDIATION SERVICES. The contract has a potential value of $464,000,000 and a period of performance through January 31, 2029. Tetra Tech's Nus Division - Pittsburgh provides the environmental and remediation services under this contract, which include per- and polyfluoroalkyl...
- Tetra Tech Inc. holds a Federal Supply Schedule contract (GS10F0076K) with the U.S. General Services Administration. This multiple-award contract enables Tetra Tech to provide a wide range of environmental consulting, engineering, and technical support services to various federal agencies. Under this contract, Tetra Tech has been awarded numerous delivery orders from agencies such as the Environmental Protection Agency, Department of Defense, National Oceanic and Atmospheric Administration,...
Tetra Tech, Inc. (UEI: X38LAAB5HB64) was awarded a single-award Indefinite Delivery Contract by the Environmental Protection Agency's Office of Water on April 20, 2026, with a ceiling value of $25 million and an ultimate completion date of April 19, 2031. The contract's scope encompasses research and technical services related to ecological and human health risks of contaminants in water, fish, and sediments, as well as assessment of microbial pathogens in surface waters. As a large business contractor with no small business set-aside designation, Tetra Tech will deliver environmental consulting services under this indefinite delivery vehicle, which enables the government to issue task orders on an as-needed basis throughout the five-year contract period. The contract aligns with EPA's regulatory mission to support water quality standards development, environmental risk evaluation, and aquatic ecosystem health monitoring through technical assistance and specialized analysis. The original solicitation (68HERC25R0243) was reissued as an unrestricted competitive opportunity following the cancellation of a previous small business set-aside solicitation (68HERC24R0142) on August 5, 2025, due to receipt of no acceptable proposals. This re-solicitation, posted August 18, 2025, expanded competition to all qualified contractors under NAICS code 541620 for Environmental Consulting Services. Tetra Tech's selection reflects its extensive experience delivering similar services through existing EPA contracts, including a $100.5 million Indefinite Delivery Contract with the Office of Research and Development that extends through September 30, 2027, which covers ecological assessment, climate change research, aquatic biological endpoints evaluation, microplastics characterization, harmful algal bloom risk assessment, and water quality criteria development. Task orders issued under this new $25 million contract vehicle will support EPA's ongoing environmental research and regulatory initiatives focused on protecting aquatic resources and public health.
Mod # | Description | ReasonForModification | Federal Obligation | Date |
|---|---|---|---|---|
| Not listed | Not listed | $100.0k | 4/19/26 |
Name | Description | Solicitation Number | FederalAgency | Type | PostedDate |
|---|---|---|---|---|---|
Ecological and Human Health Risks of Contaminants | 68HERC25R0243 | Environmental Protection Agency Cincinatti Procurement Operations Division | Solicitation 2/3 | 9/10/25, 12:01 PM | |
Ecological and Human Health Risks of Contaminants in Water, Fish and Sediments | 68HERC25R0243 | Environmental Protection Agency Cincinatti Procurement Operations Division | Pre-Solicitation 1/3 | 8/18/25, 1:47 PM | |
Ecological and Human Health Risks of Contaminants | 68HERC25R0243 | None | Award Notice 3/3 | 4/20/26, 11:31 AM |