Closed · EPA-OW-OGWDW-25-01 · CFDA 66.488 · Discretionary

Midsize and Large Drinking Water System Infrastructure Resilience and Sustainability Program

Federal grant opportunity posted by Environmental Protection Agency, cataloged on Grants.gov.

up to $9.5M
Award range
Closed
Status
October 6, 2025
Close date
6
Expected awards

The verdict

Midsize and Large Drinking Water System Infrastructure Resilience and Sustainability Program is a closed discretionary listing from Environmental Protection Agency that offered Up to $9,500,000 across 6 expected awards. Future funding cycles may be published under the same CFDA number. PlainGrants indexes 1,487 other opportunities from Environmental Protection Agency.

up to $9.5M
award range
Closed
application status
6
expected awards
66.488
CFDA program

Archived opportunity record

Midsize and Large Drinking Water System Infra… is closed (last close October 6, 2025). Check the agency catalog for replacement NOFOs. Environmental Protection Agency still indexes 1,487 other opportunities here.

According to Grants.gov (extract vintage 2026-08-10), this record reflects the officially published listing. See methodology.

Deadline tracker

Application window closed

Closed October 6, 2025

Posted Aug 5 Closes Oct 6

Est. Total Funding

$9,500,000

Expected Awards

6

Instrument

Grant

Cost Sharing

Required

Description

The Safe Drinking Water Act (SDWA) section 1459F authorizes the Environmental Protection Agency (EPA) to establish the Midsize and Large Drinking Water System Infrastructure Resilience and Sustainability Program. This grant program assists medium and large size public water systems with protecting drinking water sources from natural hazards, extreme weather events, and cybersecurity threats.Eligible applicants for this grant program include public water systems that serve a population of 10,000 people or more. Projects or programs that may be funded through this opportunity are those which aim to increase the resilience of a water system to natural hazards, extreme weather events, or reduce cybersecurity threats. For more information see: https://www.epa.gov/dwcapacity/midsize-and-large-drinking-water-system-infrastructure-resilience-and-sustainability.

Catch-all / unrestricted eligibility mark · EPA-OW-OGWDW-25-01

Grants.gov marks Midsize and Large Drinking Water System Infra… with a catch-all / unrestricted eligibility code (Others (see official listing text)). Read the official announcement text for the real applicant filter — the code alone is not a door list. Applicant cost-sharing is required on the Grants.gov extract. Instrument: Grant. Funding-activity code maps to Environment (ENV). This eligibility-code string dominates the Environmental Protection Agency book (1,239 peers, 83% of 1,488).

Code 25
Others (see official listing text)

Codes are Grants.gov eligibility category values from the extract vintage 2026-08-10. Confirm the full eligibility statement on the official listing or the Grants.gov eligibility reference.

Official Listing on Grants.gov

View full details, application forms, and submission instructions.

View on Grants.gov

Agency Contact

Claudette Ojo U.S. EPA

More from Environmental Protection Agency

Closed Closed September 23, 2026

FY27 Brownfields Job Training (JT) Grants

View →
Closed Closed August 14, 2026

Technical Assistance and Training for Rural, Small and Tribal Municipalities and Wastewater Treatment Systems

View →
Open Closes December 31, 2027

CONTAMINATED ALASKA NATIVE CLAIMS SETTLEMENT ACT LANDS ASSISTANCE PROGRAM

View →

What to do next

Midsize and Large Drinking Water System Infra… is closed; use the parent program and agency catalog for the next funding cycle.

  • Browse open federal opportunities in the same category when this listing is closed. Open opportunities
  • Look up CFDA 66.488 across all indexed listings before you commit to this opportunity alone. Eligibility finder
  • Compare award ranges across federal categories before you pick a single CFDA. All categories

Opportunity deadlines and eligibility change on Grants.gov; PlainGrants mirrors the extract and is not the submission system.

Disclaimer: This information is sourced from Grants.gov and SAM.gov and is for informational purposes only. Opportunity details, deadlines, and eligibility requirements change frequently. Always verify current information directly on Grants.gov before applying. PlainGrants is not affiliated with any federal agency.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from the SAM.gov Assistance Listings and Grants.gov. See our methodology for details. Retrieved and formatted by PlainGrants