Public water system record
Crow Creek Sioux Tribe Water System
Serves an area of Buffalo County, SD that includes Fort Thompson · 130 people served
Federal records show no health-based violations and 6 monitoring/reporting issues for Crow Creek Sioux Tribe Water System in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Crow Creek Sioux Tribe Water System buys its water from Fort Thompson Water System.
- Record on file since 1976, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 28 unknown out of 28 service lines.
Check whether Crow Creek Sioux Tribe Water System serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2021 | Resolved |
Full record since 1976
EPA's records for Crow Creek Sioux Tribe Water System go back to 1976. Before October 19, 2016 they list no health-based violations and 92 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1980s | 0 | 9 |
| 1990s | 0 | 32 |
| 2000s | 0 | 46 |
| 2010 to October 18, 2016 | 0 | 3 |
| 2020s | 0 | 6 |
Where the water comes from
Crow Creek Sioux Tribe Water System buys its water from Fort Thompson Water System. It lists no wells or intakes of its own.
Buys water from
- Fort Thompson Water System Fort Thompson, SD
Annual water quality report
Crow Creek Sioux Tribe Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Crow Creek Sioux Tribe Water System for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by EPA Region 8.
Certified drinking water labs by state EPA guidance for private wells