Water Quality in Rapid City, SD (57703)
EPA violation data for public water systems serving ZIP code 57703.
Past Health-Based Violations
6 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 9 monitoring/reporting violations.
More violations than 74% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
18,013
Population
6
Water Systems
15
Violations (5yr)
6
Health-Based
Location
Loading map...
Water Systems Serving This Area (6)
Rapid Valley Sanitary District
Mesa View Water Association
Crm Well
Cedar Gulch 1
1 health-basedCottonwood Grove Mobile Home Park
4 health-basedDarlington Estates
1 health-basedContaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
Rapid City (57703) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.