Drinking Water Program Fund Allotments
Public Water System Supervision (PWSS) Grant Allotments
This page provides a link to the most recent allocation memo for the PWSS Grant program, as well as PWSS grant funding levels over time.
- The most recent allocation memo can be found here: FY 2025 PWSS Grant Allotment memo (pdf)
Summaries of PWSS grant funding levels over time can be found below:
- Current Public Water System Supervision (PWSS) Support Grant Allotments by EPA Region
- Current PWSS Support Grant Allotments Comparison FY24-FY25
- Historical PWSS Summary of Funding Allotments (1996-2025)
- Tribal Set-Aside program annual allocation information
Current Public Water System Supervision (PWSS) Allotments
Fiscal Year: FY2025
Stage: Final
Total Amount for PWSS Program: $115,833,000
Total Amount for Tribal Support Program: $7,455,000
| Region | TOTALS |
|---|---|
| 1 | $7,370,000 |
| 2 | $8,177,000 |
| 3 | $10,402,000 |
| 4 | $16,191,000 |
| 5 | $20,527,000 |
| 6 | $13,726,000 |
| 7 | $6,722,000 |
| 8 | $8,972,000 |
| 9 | $13,386,000 |
| 10 | $10,360,000 |
| TOTALS | $115,883,000 |
Current PWSS Allotments Comparison FY24-FY25
| Region | FY24* | FY25* | Change in $ | Percent Change |
|---|---|---|---|---|
| 1 | $6,909,000 | $7,370,000 | $461,000 | 6.26% |
| 2 | $8,330,000 | $8,177,000 | -$153,000 | -1.87% |
| 3 | $10,566,000 | $10,402,000 | -$164,000 | -1.58% |
| 4 | $16,088,000 | $16,191,000 | $103,000 | 0.64% |
| 5 | $21,269,000 | $20,527,000 | -$742,000 | -3.61% |
| 6 | $13,749,000 | $13,726,000 | -$23,000 | -0.17% |
| 7 | $6,466,000 | $6,722,000 | $256,000 | 3.81% |
| 8 | $8,579,000 | $8,972,000 | $393,000 | 4.38% |
| 9 | $13,582,000 | $13,386,000 | -$196,000 | -1.46% |
| 10 | $10,452,000 | $10,360,000 | -$92,000 | -0.89% |
| TOTALS | $115,990,000 | $115,833,000 | -$157,000 | -0.14% |
*A portion of each allotment was specifically appropriated to support activities related to PFAS and other contaminants of emerging concern.
Historical PWSS Summary of Funding Allotments (1996-2025)
| Year | Region 1 | Region 2 | Region 3 | Region 4 | Region 5 | Region 6 | Region 7 | Region 8 | Region 9 | Region 10 | TOTALS |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | $4,446,600 | $5,924,600 | $7,041,200 | $10,755,300 | $13,978,500 | $7,675,500 | $3,785,400 | $4,101,200 | $6,875,600 | $5,390,600 | $69,974,500 |
| 1997 | $5,423,800 | $7,479,800 | $8,781,900 | $13,336,900 | $16,946,400 | $9,788,200 | $4,797,900 | $5,128,000 | $8,470,400 | $6,789,200 | $86,942,500 |
| 1998 | $5,418,000 | $7,240,300 | $9,185,700 | $13,329,500 | $17,002,700 | $9,860,500 | $4,841,300 | $5,101,000 | $8,484,100 | $6,836,900 | $87,300,000 |
| 1999 | $5,422,400 | $7,044,000 | $9,168,000 | $13,344,100 | $17,031,900 | $9,975,100 | $4,870,500 | $5,114,900 | $8,478,900 | $6,850,200 | $87,300,000 |
| 2000 | $5,402,800 | $6,806,500 | $9,174,700 | $13,346,000 | $17,090,800 | $9,977,700 | $4,884,500 | $5,139,400 | $8,579,400 | $6,898,200 | $87,300,000 |
| 2001 | $5,441,600 | $6,727,400 | $9,217,100 | $13,303,900 | $17,037,100 | $9,935,400 | $4,876,100 | $5,132,800 | $8,541,000 | $6,895,600 | $87,108,000 |
| 2002 | $5,372,000 | $7,203,800 | $9,067,200 | $13,287,700 | $16,964,500 | $9,883,400 | $4,842,900 | $5,135,600 | $8,487,300 | $6,863,600 | $87,108,000 |
| 2003 | $5,314,400 | $7,161,700 | $8,939,200 | $13,281,000 | $16,684,000 | $9,807,900 | $4,829,400 | $5,111,200 | $8,563,700 | $6,849,300 | $86,541,800 |
| 2004 | $5,933,400 | $8,022,900 | $9,803,700 | $14,941,600 | $19,124,000 | $11,531,600 | $5,518,300 | $6,714,400 | $11,972,700 | $8,432,100 | $101,994,700 |
| 2005 | $5,832,100 | $7,834,3400 | $9,561,200 | $14,556,000 | $18,657,700 | $11,243,600 | $5,411,200 | $6,508,900 | $11,844,900 | $8,295,700 | $99,745,600 |
| 2006 | $5,810,800 | $7,719,700 | $9,372,600 | $14,227,400 | $18,313,600 | $11,082,800 | $5,346,000 | $6,386,700 | $11,727,800 | $8,291,600 | $98,279,000 |
| 2007 | $5,804,900 | $7,713,900 | $9,372,600 | $14,222,200 | $18,317,300 | $11,049,800 | $5,340,100 | $6,462,000 | $11,746,000 | $8,250,200 | $98,279,000 |
| 2008 | $5,806,000 | $7,579,000 | $9,281,000 | $14,046,000 | $18,302,000 | $10,761,000 | $5,356,000 | $6,516,000 | $11,621,000 | $8,286,000 | $97,554,000 |
| 2009 | $5,906,000 | $7,636,000 | $9,396,000 | $14,119,000 | $18,383,000 | $11,378,000 | $5,435,000 | $6,682,000 | $11,766,000 | $8,399,000 | $99,100,000 |
| 2010 | $6,140,000 | $8,067,000 | $9,935,000 | $14,750,000 | $18,876,000 | $11,525,000 | $5,690,000 | $6,005,000 | $9,721,000 | $8,188,000 | $105,700,000 |
| 2011 | $6,154,000 | $7,999,000 | $9,967,000 | $14,738,000 | $18,862,000 | $11,539,000 | $5,713,000 | $6,040,000 | $9,676,000 | $8,209,000 | $98,897,000 |
| 2012 | $6,135,000 | $7,943,000 | $9,938,000 | $14,669,000 | $18,703,000 | $11,606,000 | $5,698,000 | $6,019,000 | $9,644,000 | $8,186,000 | $98,541,000 |
| 2013 | $5,934,000 | $7,647,000 | $9,419,000 | $14,115,000 | $18,380,000 | $11,626,000 | $5,521,000 | $6,814,000 | $11,836,000 | $8,535,000 | $99,827,000 |
| 2014 | $6,056,000 | $7,657,000 | $9,559,000 | $14,247,000 | $18,576,000 | $11,970,000 | $5,628,000 | $6,982,000 | $12,549,000 | $8,733,000 | $101,957,000 |
| 2015 | $6,042,000 | $7,478,000 | $9,437,000 | $14,157,000 | $18,438,000 | $11,928,000 | $5,573,000 | $7,096,000 | $12,327,000 | $8,818,000 | $101,924,000 |
| 2016 | $6,022,000 | $7,462,000 | $9,396,000 | $14,076000 | $18,491,000 | $11,944,000 | $5,577,000 | $7,120,000 | $12,214,000 | $8,734,000 | $101,036,000 |
| 2017 | $5,997,000 | $7,380,000 | $9,301,000 | $13,947,000 | $18,351,000 | $11,833,000 | $5,540,000 | $7,095,000 | $12,035,000 | $8,715,000 | $100,194,000 |
| 2018 | $5,985,000 | $7316,000 | $9,164,000 | $13,846,000 | $18,304,000 | $11,812,000 | $5,503,000 | $7,113,000 | $11,885,000 | $8,706,000 | $99,634,000 |
| 2019 | $5,937,000 | $7,227,000 | $9,050,000 | $13,646,000 | $18,148,000 | $11,730,000 | $5,449,000 | $7,111,000 | $11,621,000 | $8,723,000 | $98,642,000 |
| 2020 | $6,369,000 | $7,739,000 | $9,712,000 | $14,737,000 | $19,601,000 | $12,644,000 | $5,887,000 | $7,704,000 | $12,429,000 | $9,428,000 | $106,250,000 |
| 2021 | $6,713,000 | $8,122,000 | $10,265,000 | $15,537,000 | $20,617,000 | $13,260,000 | $6,206,000 | $8,175,000 | $13,100,000 | $10,005,000 | $112,000,000 |
| 2022 | $6,736,000 | $8,182,000 | $10,358,000 | $15,689,000 | $20,752,000 | $13,378,000 | $6,274,000 | $8,300,000 | $13,209,000 | $10,122,000 | $113,000,000 |
| 2023 | $7,239,000 | $8,778,000 | $11,077,000 | $16,871,000 | $22,374,000 | $14,402,000 | $6,762,000 | $8,917,000 | $14,144,000 | $10,936,000 | $121,500,000 |
| 2024 | $6,909,000 | $8,330,000 | $10,566,000 | $16,088,000 | $21,269,000 | $13,749,000 | $6,466,000 | $8,579,000 | $13,582,000 | $10,452,000 | $115,990,000 |
| 2025 | $7,370,000 | $8,177,000 | $10,402,000 | $16,191,000 | $20,527,000 | $13,726,000 | $6,722,000 | $8,972,000 | $13,386,000 | $10,360,000 | $115,833,000 |