Water Quality in Allen, SD (57714)

EPA violation data for public water systems serving ZIP code 57714.

No Health-Based Violations

None of the 1 water system serving this ZIP has exceeded federal contaminant limits in the past 5 years. There are3 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 43% of US ZIP codes.

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

1,144

Population

1

Water Systems

3

Violations (5yr)

0

Health-Based

Location

Loading map...

Water Systems Serving This Area (1)

American Horse School

Purchased surface water 400 people served
3 violations (5yr)
Lead tested: 1 ppb (limit: 15 ppb) ✓

Contaminants Found

Total Haloacetic Acids (HAA5)Monitoring
1 violation
Has active
TTHMMonitoring
1 violation
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Allen (57714) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3, most of which are monitoring/reporting issues.

Fewer violations 43th 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.

Nearby ZIP Codes

Check Another ZIP Code