Assistance Listing 66.491
Response to Water Emergencies for Systems that Ensure Clean Water (American Relief Act, 2025, Public Law 118-158)
ENVIRONMENTAL PROTECTION AGENCY
Assistance Listing 66.491, “Response to Water Emergencies for Systems that Ensure Clean Water (American Relief Act, 2025, Public Law 118-158),” is a federal program administered by ENVIRONMENTAL PROTECTION AGENCY. It provides grant assistance. GrantsJunction currently tracks 0 open, 0 forecasted and 0 closed opportunities under this listing.
Program objective
To assist in responding to clean water emergencies for systems that ensure clean water. Pursuant to the American Relief Act, 2025, Public Law (P.L.) 118-158, this assistance program provides grant funding for projects and activities to protect the health or welfare of persons affected by a clean water emergency. Eligible applicants include States or territories in EPA Regions 3 and 4 impacted by Hurricanes Helene and Milton. Funding is for projects and activities that support clean water emergencies, including but not limited to: (1) emergency response and preparedness; (2) water infrastructure repairs; (3) planning assistance for receiving other sources of funding to address water emergencies; (4) operations and maintenance of facilities to respond to emergencies; (5) establishing monitoring capabilities to respond to emergency situations and/or; (6) making capital and managerial improvements, as necessary, to return eligible facilities to conditions in which systems can feasibly sustain their operations in the event of an emergency. Funding priorities will be for projects and activities in emergency situations affecting systems that are necessary for preventing, limiting, or mitigating a substantial danger to public health.
As published in the SAM.gov Assistance Listing.
Current opportunities under 66.491
No open or forecasted opportunities are currently posted under this listing. Programs often post notices on an annual cycle — see recently closed opportunities below for timing.
Eligible applicants (program level)
- State
Assistance under this program is available to States in EPA Regions 3 and 4 affected by hurricanes Helene and Milton. The American Relief Act, 2025, P.L. 118-158 appropriates funding for assistance agreements to address clean water emergencies in States or territories in EPA Regions 3 and 4 impacted by Hurricanes Helene and Milton, provided that funds are used to protect the health or welfare of persons affected by a clean water emergency.
Intended beneficiaries: State and Other.
Program-level eligibility from SAM.gov. Each funding notice sets its own requirements.
Reported obligations by fiscal year
Historical data · not a predictionRange and average of financial assistance (from the listing): Four to six awards are expected. Estimated range is from $1,000,000 to $16,500,000. The average estimated award will be approximately $6,000,000 to $9,000,000 each.
Source: SAM.gov Assistance Listing 66.491. Hatched bars are agency estimates. These totals do not indicate approval rates.Frequently asked questions
What is ALN 66.491?
66.491 is the Assistance Listing Number for “Response to Water Emergencies for Systems that Ensure Clean Water (American Relief Act, 2025, Public Law 118-158).” Assistance Listing Numbers (formerly CFDA numbers) identify federal assistance programs; individual grant opportunities reference the listing they are funded under.
Who can apply under ALN 66.491?
The SAM.gov listing names these applicant types: State. Each funding notice under the program sets its own eligibility, so check the specific opportunity.