Water Quality in Nisland, SD (57762)

EPA violation data for public water systems serving ZIP code 57762.

No Health-Based Violations

None of the 1 water system serving this ZIP has exceeded federal contaminant limits in the past 5 years. There are8 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 62% of US ZIP codes.

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

512

Population

1

Water Systems

8

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (1)

Nisland

Groundwater 206 people served
8 violations (5yr)
Lead tested: 3 ppb (limit: 15 ppb)

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

6 violations
All resolved
Public NoticeMonitoring
1 violation
Has active
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: Jan 2023

How Does This Compare?

Nisland (57762) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8, most of which are monitoring/reporting issues.

Fewer violations 62th 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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