Assistance Listing 66.454
Water Quality Management Planning
ENVIRONMENTAL PROTECTION AGENCY
Assistance Listing 66.454, “Water Quality Management Planning,” 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. The agency reported $42M in obligations for fiscal year 2025.
- Funding up 48% (FY24→FY25)Actual obligations reported in the SAM.gov listing changed +48% from FY2024 to FY2025. Historical data, not a prediction. calculated by GrantsJunction
Program objective
This program assists States (including territories and the District of Columbia), Regional Public Comprehensive Planning Organizations (RPCPOs), and Interstate Organizations (IOs) in carrying out water quality management (WQM) planning. Funds are allotted by state in accordance with Section 604(b) of the Clean Water Act and are used to determine the nature and extent of point and non-point sources of water pollution and to develop water quality management plans.
As published in the SAM.gov Assistance Listing.
Current opportunities under 66.454
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)
- U.S. Territory (or Possession) Government (including freely-associated states)
- U.S. State Government (including the District of Columbia)
State (includes District of Columbia) and U.S. Territories and Possessions.
Intended beneficiaries: U.S. State Government (including the District of Columbia) and U.S. Territory (or Possession) Government (including freely-associated states).
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): Range: $100,000 (statutory minimum) to $3,682,000/fiscal year; Average: $596,250/fiscal year.
Source: SAM.gov Assistance Listing 66.454. Hatched bars are agency estimates. These totals do not indicate approval rates.Who gets funded
Historical data · not a predictionGrant obligations by fiscal year
Source: USAspending.gov (grants and cooperative agreements, award types 02–05), refreshed weekly. Names and amounts are as reported by agencies and prime recipients. Past recipients show where money went — not who is eligible or how likely an application is to succeed.
Frequently asked questions
What is ALN 66.454?
66.454 is the Assistance Listing Number for “Water Quality Management Planning.” 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 66.454?
The SAM.gov listing names these applicant types: U.S. Territory (or Possession) Government (including freely-associated states) and U.S. State Government (including the District of Columbia). Each funding notice under the program sets its own eligibility, so check the specific opportunity.
How much funding does 66.454 provide?
The agency reported $42,032,286 in obligations for FY2025 in the SAM.gov Assistance Listing. These are program-wide totals reported by the agency, not a prediction of future awards.