Tap Water Quality Report for Rapid City, South Dakota

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Rapid City, South Dakota tap water has 240 total contaminants, with 54 being above EPA standards and 159 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (66)

66 water systems serve Rapid City, South Dakota. Select one or more to filter the data below.

RAPID CITY
Public Water System ID:SD4600406
Population Served:72,009
Primary Source:Surface water
Last Updated:Nov 21, 2024
Contact:
RAPID VALLEY SANITARY DISTRICT
Public Water System ID:SD4600274
Population Served:10,000
Primary Source:Surface water
Last Updated:Nov 21, 2024
Contact:
COLONIAL PINE HILLS SANITARY DISTRIC
Public Water System ID:SD4600263
Population Served:1,200
Primary Source:Ground water
Last Updated:Nov 21, 2024
Contact:
CHAPEL LANE WATER COMPANY
Public Water System ID:SD4600264
Population Served:1,200
Primary Source:Ground water
Last Updated:Nov 21, 2024
Contact:
WONDERLAND HOMES
Public Water System ID:SD4600421
Population Served:750
Primary Source:Ground water
Last Updated:Nov 21, 2024
Contact:
SUN VALLEY DEVELOPMENT
Public Water System ID:SD4602270
Population Served:650
Primary Source:Ground water
Last Updated:Nov 21, 2024
Contact:

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Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).