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Water & Sanitation Grants in the United States

Find tenders and grants for water supply, sanitation and hygiene (WASH), wastewater treatment, desalination, irrigation and integrated catchment management. Curated for water engineering firms, WASH NGOs, desalination and treatment plant operators, and irrigation contractors.

104 open grants in this category

Water treatment facility — WASH and sanitation infrastructure

Water & Sanitation Opportunities

Find tenders and grants for water supply, sanitation and hygiene (WASH), wastewater treatment, desalination, irrigation and integrated catchment management. Curated for water engineering firms, WASH NGOs, desalination and treatment plant operators, and irrigation contractors.

Here is a selection of open grants. Register for free to view all water & sanitation funding opportunities.

United States, Connecticut 14 Dec 2026 (Closes in 31 days) 4549 Norwalk

This bid is being posted to this website for notification purposes only. No electronic responses will be accepted. Questions posted here will not be answered. This project includes, but is not limited to: providing all labor, materials, supervision, etc., to complete installation of storm drainage improvements at various locations on an on-call basis. URL to solicitation documents https://norwa...

United States, Massachusetts 8 Dec 2026 (Closes in 25 days) BD-27-1784-LWS1-LWS1-135120
United States, Massachusetts 9 Dec 2026 (Closes in 26 days) BD-26-1162-PRC00-PRC00-135286

Wastewater Treatment Plant Aeration Controls System

United States, Oregon 19 Nov 2026 (Closes in 6 days) S-R02045-00018400

CRW is seeking quotes from qualified and experienced contractors to provide Flagging and Traffic Control Services for various water distribution-related projects on state highways and roads, and at various locations throughout CRWs service area, on an as needed and when required basis. The purpose of this RFQ is to establish several contracts with different contractors, for the services outline...

United States, Georgia 14 Dec 2026 (Closes in 31 days) GPR-PE-68800-NONST-2027-000000020

The Lee County Board of Commissioners is requesting qualifications for selection of an Engineering Firm to provide post-award services for a water infrastructure project funded by the FY 2026 Congressionally Directed Spending (CDS)/Community Project Funding (CPF) Grants Program for Water Projects. Post-award services will include, but are not limited to, planning, design, cost estimating, biddi...

United States, Pennsylvania 10 Dec 2026 (Closes in 27 days) pennbid-BF-261972
United States, Oregon 10 Dec 2026 (Closes in 27 days) S-69000-00014973
United States, Texas 3 Dec 2026 (Closes in 20 days) ESBD-2027-001-1

Solicitation 2027-001-1 posted by City of Pflugerville on the Texas ESBD. The City of Pflugerville is accepting electronic bids forthe Hauling of Dewatered Sludge from the Upper Gilleland Creek WastewaterTreatment Plant and the new Wilbarger Regional Wastewater Treatment Facility. This contract will be for twenty-four (24)months with three (3) optional twelve (12) month renewal periods. The bid...

United States, California 19 Nov 2026 (Closes in 6 days) 233023

146821 ada compliant restroom trailer and 2-STATION restroom trailer

United States, California 19 Nov 2026 (Closes in 6 days) 232957

146386 transformer, portable

United States, Massachusetts 2 Dec 2026 (Closes in 19 days) BD-19-1212-MWRA-DITP-135121
United States, Oregon 4 Dec 2026 (Closes in 21 days) S-Q10026-00018358
United States, California 13 Nov 2026 (Closes today) 232920

147057 GENERATORS

TENDER Open
United States, Massachusetts 13 Nov 2026 (Closes today) BD-27-1770-CWD01-CWD01-134620
United States, Massachusetts 4 Jan 2027 (Closes in 52 days) BD-23-2126-AWD00-CHUR-134709
United States, Oregon 30 Nov 2026 (Closes in 17 days) S-R33119-00018295
United States, Massachusetts 18 Nov 2026 (Closes in 5 days) BD-19-1131-BWSC1-BWSC1-134606
United States, Massachusetts 18 Nov 2026 (Closes in 5 days) BD-19-1131-BWSC1-BWSC1-134609
United States, Massachusetts 18 Nov 2026 (Closes in 5 days) BD-19-1131-BWSC1-BWSC1-134607
United States, Oregon 19 Nov 2026 (Closes in 6 days) S-R34750-00018286
United States, Massachusetts 17 Nov 2026 (Closes in 4 days) BD-27-1784-LWS1-LWS1-134744
United States, Massachusetts 4 Mar 2027 (Closes in 111 days) BD-27-1042-ENV-ENV01-134818
United States, Massachusetts 2 Dec 2026 (Closes in 19 days) BD-19-1212-MWRA-DITP-134569
United States, Oregon 3 Dec 2026 (Closes in 20 days) S-Q10054-00018202

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