Water Quality in Fort Thompson, SD (57339)
EPA violation data for public water systems serving ZIP code 57339.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 72% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,390
Population
11
Water Systems
13
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (11)
Fort Thompson Water System
1 health-basedCrow Creek Water Commission
Crow Creek Water Commission
Crow Creek Sioux Tribe Water System
All resolvedCrow Creek Water Commission
Big Bend Water System
All resolvedBig Bend Motel
Crow Creek Water Commission
Coe-Lk S/Maintenance Shop System
Bad Nation Water System
Coe-Cottonwood Springs Rec Area
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Fort Thompson (57339) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 13.
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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 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.