Public water system record

Crow Creek Tribal School

Serves Stephan, Hyde County, SD · 516 people served

Federal records show 1 health-based violation and 9 monitoring/reporting issues for Crow Creek Tribal School in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • 084690437
  • STEPHAN
  • SD
  • 516 served

System profile

Source water Purchased surface water
ZIP 57346
EPA system ID 084690437

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
9

Key facts

  • Crow Creek Tribal School buys its water from Fort Thompson Water System.
  • Record on file since 1982, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 15 unknown out of 37 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
140 Sep 1, 2022 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
RPT
Feb 1, 2025 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2025 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
Dec 30, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2018 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2018 Resolved

Full record since 1982

EPA's records for Crow Creek Tribal School go back to 1982. Before October 19, 2016 they list no health-based violations and 16 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 9
1990s 0 2
2010 to October 18, 2016 0 5
October 19, 2016 to 2019 0 3
2020s 1 6

What the violations mean

Groundwater Rule

1 incident

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Crow Creek Tribal School buys its water from Fort Thompson Water System. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Crow Creek Tribal School 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.