Water Quality in Clark, SD (57235)

EPA violation data for public water systems serving ZIP code 57235.

No Health-Based Violations

None of the 4 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There is1 monitoring/reporting violation (missed testing deadlines), all resolved.

Better than 29% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

774

Population

4

Water Systems

1

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (4)

Clark Rural Water System

Groundwater 2,325 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓

Clark Rural Water-Kampeska

Groundwater 602 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb) ✓ Copper tested: 1400 ppb (limit: 1300 ppb)

Florence

All resolved
Purchased groundwater 337 people served
1 violation (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb) ✓

Anderson Cafe

Groundwater 25 people served
0 violations

Contaminants Found

ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
3 ppb measured Action level: 15 ppb

Sampled: Jul 2024

Copper (Cu)

Exceeds limit
1400 ppb measured Action level: 1300 ppb

Sampled: Jan 2022

How Does This Compare?

Clark (57235) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1, most of which are monitoring/reporting issues.

Fewer violations 29th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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