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Environmental Protection Agency Awarded a Contract to TETRA TECH, INC. for $14,279,978.39

Signed on

7/20/2023, 12:00 AM

TETRA TECH, INC. Government Contract #68HE0923F0051

TETRA TECH, INC. was awarded a contract with the United States Government for $14,279,978.39. The contract was awarded by the agency office REGION 9 CONTRACTING OFFICE, which is a division with the Environmental Protection Agency within the Environmental Protection Agency.

Summary of Award

The US federal government awarded a contract to Tetra Tech, Inc. for the performance of required tasks related to conducting the engineering evaluation/cost analysis (EE/CA) at Tronox abandoned uranium mines located in Navajo Nation's Northern Agency. The total obligation for this contract is $14,279,978.39, with 20 subawards totaling $2,228,901. The contract was signed on July 20, 2023, and includes tasks under RAES 2 CON.

The contract falls under the Environmental Protection Agency, specifically under Region 9, with the contracting office located in California. The contract is categorized as a delivery order, with the primary service being environmental consulting services, specifically special studies/analysis-environmental assessments. The contract was competitively awarded through a negotiated proposal/quote process with full and open competition.

The period of performance for this contract is from July 20, 2023, to November 19, 2025, with a potential end date of November 19, 2025. The recipient of the contract, Tetra Tech, Inc., is a U.S.-owned business based in Oakland, California. The contract includes a total outlay of $7,325,810.54. Overall, the contract awarded by the US federal government to Tetra Tech, Inc. involves conducting environmental assessments at abandoned uranium mines in Navajo Nation's Northern Agency, with a focus on engineering evaluation and cost analysis. The contract is part of the Environmental Protection Agency's efforts to address environmental concerns and ensure compliance with regulations.

Contract Details

Contract ID68HE0923F0051
Contract TypeC
Total Obligation$14,279,978.39
Exercised Options$14,279,978.39
Base Amount + Options$14,279,978.39
Date Signed2023-07-20
Contract DescriptionTHE CONTRACTOR SHALL PERFORM REQUIRED TO CONDUCT THE ENGINEERING EVALUATION/COST ANALYSIS (EE/CA) AND RELATED TASKS AT THE FOLLOWING TRONOX ABANDONED URANIUM MINES LOCATED IN NAVAJO NATION'S NORTHERN AGENCY. THIS IS A TASK ORDER UNDER RAES 2 CON
Start Date2023-07-20
End Date2025-11-19

Agency Details

Awarding AgencyEnvironmental Protection Agency
Awarding Sub AgencyEnvironmental Protection Agency
Awarding OfficeREGION 9 CONTRACTING OFFICE
Funding AgencyEnvironmental Protection Agency
Funding Sub AgencyEnvironmental Protection Agency
Funding OfficeREGION 9 (FUNDING OFFICE)

Recipient Details

RecipientTETRA TECH, INC.
Recipient Location1999 HARRISON ST STE 500 OAKLAND CALIFORNIA, UNITED STATES
Business CategoriesCategory Business, Corporate Entity Not Tax Exempt, Not Designated a Small Business, Special Designations, U.S.-Owned Business

Comments

Award Transactions

Transaction #P00004 | $0.00October 15, 2025

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $0.00 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00003 | $4,960,575.38April 2, 2025

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,960,575.38 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #P00002 | $0.00August 2, 2024

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $0.00 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00001 | $4,448,349.41June 20, 2024

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,448,349.41 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #0 | $4,871,053.60July 20, 2023

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,871,053.60 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #P00005 | $0.00January 2, 2026

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $0.00 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00004 | $0.00October 15, 2025

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $0.00 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00003 | $4,960,575.38April 2, 2025

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,960,575.38 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #P00002 | $0.00August 2, 2024

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $0.00 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00001 | $4,448,349.41June 20, 2024

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,448,349.41 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #0 | $4,871,053.60July 20, 2023

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,871,053.60 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #P00006 | $999,211.51May 22, 2026

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $999,211.51 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #P00005 | $0.00January 2, 2026

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $0.00 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00004 | $0.00October 15, 2025

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $0.00 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00003 | $4,960,575.38April 2, 2025

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,960,575.38 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #P00002 | $0.00August 2, 2024

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $0.00 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

This payment could indicate a change to the existing contract.

Transaction #P00001 | $4,448,349.41June 20, 2024

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,448,349.41 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.

Transaction #0 | $4,871,053.60July 20, 2023

Environmental Protection Agency, a sub agency of Environmental Protection Agency, issued a payment of $4,871,053.60 to TETRA TECH, INC.. The payment included a Subsidy Cost of $0.00.