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Public water system record

Rapid City

Serves Rapid City and Green Valley, Pennington County, SD · 72,009 people served

Federal records show no health-based violations and no monitoring or reporting issues for Rapid City in the last ten years.

  • SD4600406
  • RAPID CITY
  • SD
  • 72,009 served

System profile

Source water Surface water
ZIP 57701
EPA system ID SD4600406

Verify this system on EPA ECHO →

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

Key facts

  • Rapid City draws water from 6 wells and 1 surface water intake.
  • Record on file since 1976, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 106 lead and 1,194 unknown out of 23,451 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.

None since October 2016, and no monitoring or reporting violations either.

Full record since 1976

EPA's records for Rapid City go back to 1976. Before October 19, 2016 they list no health-based violations and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1990s 0 1
2000s 0 3

Where the water comes from

Rapid City draws water from 6 wells and 1 surface water intake. 1 other community water system buys water from Rapid City.

Community systems that buy water from it

Annual water quality report

Rapid City 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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 South Dakota.

Certified drinking water labs by state EPA guidance for private wells