RAPID CITY

South Dakota — Community Water System — PWSID: SD4600406

System Information

PWSIDSD4600406
System NameRAPID CITY
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedMar 2, 2026

Location & Contact

StateSouth Dakota
CityRAPID CITY
ZIP Code57701
Address300 6TH STREET
OrganizationRAPID CITY
Phone6053944162

Population & Service

Population Served72,009
Service Connections23,171

Drinking Water Violations (14)

This water system has 14 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Oct 1, 2002 Dec 31, 2002 MR No Yes 15 pCi/L Resolved Dec 31, 2002
Oct 1, 2002 Dec 31, 2002 MR No Yes 15 pCi/L Resolved Dec 31, 2002
Oct 1, 2002 Dec 31, 2002 MR No Yes 15 pCi/L Resolved Dec 31, 2002
Oct 1, 2002 Dec 31, 2002 MR No Yes 30 ug/L Resolved Dec 31, 2002
Oct 1, 2002 Dec 31, 2002 MR No Yes 30 ug/L Resolved Dec 31, 2002
Oct 1, 2002 Dec 31, 2002 MR No Yes 30 ug/L Resolved Dec 31, 2002
Oct 1, 2002 Dec 31, 2002 MR No Yes 5 pCi/L Resolved Dec 31, 2002
Oct 1, 2002 Dec 31, 2002 MR No Yes 5 pCi/L Resolved Dec 31, 2002
Oct 1, 2002 Dec 31, 2002 MR No Yes 5 pCi/L Resolved Dec 31, 2002
Apr 1, 1999 Apr 30, 1999 MR No No 5% of samples Archived Apr 30, 1999
Apr 1, 1999 Apr 30, 1999 MR No No 5% of samples Archived Apr 30, 1999
Jul 1, 1976 Jun 30, 1980 MR No No 15 pCi/L Archived Jun 30, 1980
Jul 1, 1976 Jun 30, 1980 MR No No 5 pCi/L Archived Jun 30, 1980
No No

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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