Current Allocations for the Tribal Set-Aside Program of the Drinking Water Infrastructure Grants
Regional Allocations for the Drinking Water Infrastructure Grants - Tribal Set-Aside (DWIG-TSA) Program
This page provides information about the distribution of funding under the DWIG-TSA program among EPA Regions. More information about the DWIG-TSA and its implementation can be found on the DWIG-TSA webpage
On this page:
- Current Allocations of Drinking Water Infrastructure Grants - Tribal Set Aside Program (DWIG-TSA) Base Funding
- Current Allocations of DWIG-TSA Infrastructure Investment and Jobs Act (IIJA) Appropriations
Additional Information:
- Historical DWIG-TSA Base Funding Allotments (1997-2024) (pdf)
- Allocations for the Tribal Public Water System Supervision (PWSS) Grant Program
Table 1: Current (FY 2025) Allocations of Drinking Water Infrastructure Grants - Tribal Set Aside Program (DWIG-TSA) Base Funding
*Information on Regional allotments of DWIG-TSA funding appropriated under the Infrastructure Investment and Jobs Act (IIJA) is found in Table 2.
| Region | FY24 Budget Allotment | Eligible CWISA Transfer Amount (33% of Regional DWIG-TSA Allotment) |
|---|---|---|
| 1 | $82,000 | $27,060 |
| 2 | $356,000 | $117,480 |
| 3 | $59,000 | $19,470 |
| 4 | $295,000 | $97,350 |
| 5 | $997,000 | $329,010 |
| 6 | $3,091,000 | $1,020,030 |
| 7 | $352,000 | $116,160 |
| 8 | $3,091,000 | $1,085,700 |
| 9 (Incl. Navajo) | $6,851,000 | $2,260,830 |
| 10 (Incl. ANVs) | $6,851,000 | $2,357,520 |
| Total | $22,517,000 | $7,430,610 |
Table 2: Current (FY 2025) Allocations of DWIG-TSA Infrastructure Investment and Jobs Act (IIJA) Appropriations
| Region | FY25 IIJA General Supplemental | FY25 IIJA Emerging Contaminants | FY25 IIJA Lead Service Line Replacement |
|---|---|---|---|
| 1 | $189,000 | $121,000 | $0 |
| 2 | $822,000 | $168,000 | $43,000 |
| 3 | $136,000 | $0 | $0 |
| 4 | $682,000 | $387,000 | $18,226,000 |
| 5 | $2,306,000 | $1,678,000 | $179,000 |
| 6 | $7,145,000 | $1,471,000 | $9,196,000 |
| 7 | $815,000 | $185,000 | $403,000 |
| 8 | $7,606,000 | $1,965,000 | $9,870,000 |
| 9 (Incl. Navajo) | $15,839,000 | $6,291,000 | $17,109,000 |
| 10 (Incl. ANVs) | $16,520,000 | $3,734,000 | $4,974,000 |
| Total | $52,060,000 | $16,000,000 | $60,000,000 |