PORT OF NOME MODIFICATION LETTER OF AUTHORIZATION TETRA TECH INC $261,296 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Oct 7, 2025 Oct 7, 2025 Mar 15, 2027
DTA019 JARVIS CREEK FLOOD CONTROL PROJECT TETRA TECH INC $2,338,297 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C1KA ARCHITECT AND ENGINEERING- CONSTRUCTION: DAMS Feb 20, 2025 Feb 20, 2025 Jan 31, 2027
DESIGN SERVICES TO UPDATE SOLICITATION DOCUMENTS FOR FLOATING BREAKWATER REPLACEMENT (KET005) AT BAR POINT HARBOR TETRA TECH INC $85,402 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Dec 2, 2024 Dec 2, 2024 Dec 31, 2026
LWSC SL ECS AE SERVICES TETRA TECH INC $441,091 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Nov 26, 2024 Dec 2, 2024 Aug 1, 2027
IDIQ 23D1000 TASK ORDER FOR ARCHITECT-ENGINEER DESIGN SERVICES FOR MUD MOUNTAIN DAM LOWER CASCADE CREEK WATER CONTROL STRUCTURE TETRA TECH INC $320,638 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C1PZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER NON-BUILDING FACILITIES Aug 26, 2024 Aug 21, 2024 Dec 31, 2026
DEXTER FISH FACILITY DDR P&S TETRA TECH INC $1,506,581 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Jun 17, 2024 May 17, 2024 Sep 8, 2025
TASK 1 TETRA TECH INC $0 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER May 14, 2024 May 15, 2024 Dec 27, 2024
GEOTECHNICAL INVESTIGATION, ST. GEORGE HARBOR IMPROVEMENT, ST. GEORGE, ALASKA TETRA TECH INC $3,318,163 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Apr 12, 2024 Apr 11, 2024 Oct 30, 2025
ENGINEERING DURING CONSTRUCTION FOR HOWARD A. HANSON DAM (HAHD) EMERGENCY CLOSURE SYSTEM REHABILITATION, RAVENSDALE, WASHINGTON TETRA TECH INC $13,992 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Oct 19, 2023 Oct 20, 2023 Apr 18, 2025
WATER CONTROL MANUAL UPDATE TETRA TECH INC $559,478 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Sep 25, 2023 Sep 30, 2023 Sep 29, 2026
HEC-WAT FLOOD RISH ANALYSIS TETRA TECH INC $806,451 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Sep 18, 2023 Sep 20, 2023 Sep 30, 2027
TASK 2E- 65% DESIGN, BCOES, DDR, & PLANS TETRA TECH INC $1,772,110 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Sep 14, 2023 Sep 15, 2023 Dec 1, 2024
DESIGN SERVICES TO PREPARE FEASIBILITY TETRA TECH INC $453,057 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Mar 13, 2023 Mar 8, 2023 Aug 31, 2024
MUD MOUNTAIN DAM - LOWER CASCADE CREEK WATER CONTROL SYSTEM/PN 478600 - ARCHITECT AND ENGINEERING SERVICES - BIDDER INQUIRIES SOLICITATION SUPPORT SERVICES. TETRA TECH INC $15,006 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C1PZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER NON-BUILDING FACILITIES Mar 2, 2022 Mar 2, 2022 Jul 25, 2023
EO14042 MINIMUM GUARANTEE FOR CIVIL WORKS A&E IDIQ MATOC TETRA TECH INC $0 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Nov 24, 2021 Nov 24, 2021 Nov 23, 2026
EAR063 SERVICES TO PROVIDE DB RFP FOR LONG TERM PIER REPAIR, EARECKSON AIR STATION, SHEMYA AK TETRA TECH INC $878,693 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Jun 16, 2021 Jun 16, 2021 Jan 5, 2025
COLUMBIA RIVER TREATY 2024 PROGRAM HEC-WAT AND HEC-RESSIM SUPPORT TETRA TECH INC $1,260,923 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C1PZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER NON-BUILDING FACILITIES May 27, 2021 May 28, 2021 Dec 23, 2024
TASK ORDER FOR LOWELL CREEK TECHNICAL EDITING TETRA TECH INC $48,366 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Feb 10, 2021 Feb 9, 2021 May 16, 2021
TASK ORDER FOR ELIM TECHNICAL EDITING SERVICES TETRA TECH INC $32,561 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Dec 23, 2020 Dec 22, 2020 Jan 7, 2021
FT WAINWRIGHT LEIS TETRA TECH INC $1,166,202 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Sep 15, 2020 Sep 10, 2020 Dec 31, 2023
DESIGN SERVICES TO PREPARE DESIGN&SOLICITATION DOCUMENTS KET005 FLOATING BREAKWATER REPLACEMENT BAR POINT HARBOR KETCHIKAN, ALASKA TETRA TECH INC $389,236 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Apr 24, 2020 Apr 22, 2020 Dec 31, 2023
PORT OF NOME ADDITIONAL CE/ICA ITERATIONSCOPE OF WORK TETRA TECH INC $30,897 DEPT OF THE ARMY DEPT OF THE ARMY — 541330 Engineering Services C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER Oct 22, 2019 Oct 21, 2019 Dec 31, 2020
ENGINEERING DURING CONSTRUCTION (EDC) IN SUPPORT OF THE USACE SEATTLE DISTRICT AND THE CONSTRUCTION CONTRACTOR FOR MMD FPF IN BUCKLEY, WA TETRA TECH INC $860,221 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C1PZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER NON-BUILDING FACILITIES Oct 8, 2019 Oct 8, 2019 Oct 7, 2022
LAKE WASHINGTON SHIP CANAL SMALL LOCK EMERGENCY CLOSURE SYSTEM DESIGN TETRA TECH INC $1,123,411 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C1PZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER NON-BUILDING FACILITIES Sep 28, 2019 Sep 30, 2019 Dec 4, 2020
FY2019 ARCHITECT-ENGINEERING SERVICES FOR MUD MOUNTAIN DAM, CASCADE CREEK WATER CONTROL SYSTEM EXPLORATION AND DESIGN. TETRA TECH INC $923,689 DEPT OF THE ARMY US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY — 541330 Engineering Services C1PZ ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER NON-BUILDING FACILITIES Sep 28, 2019 Sep 30, 2019 May 17, 2021