Water Quality in Mission, SD (57555)

EPA violation data for public water systems serving ZIP code 57555.

No Health-Based Violations

None of the 7 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are11 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 68% of US ZIP codes.

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

3,740

Population

7

Water Systems

11

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (7)

Mission Water System

All resolved
Purchased surface water 1,500 people served
9 violations (5yr) · All resolved
Lead tested: 0.59 ppb (limit: 15 ppb)

Mission

Groundwater 904 people served
0 violations

He Dog School

Groundwater 202 people served
0 violations

Spring Creek School

Groundwater 107 people served
0 violations

Lakeview Elementary School

Groundwater 75 people served
0 violations

Littleburg Elementary School

Groundwater 48 people served
0 violations

Klein School

All resolved
Groundwater 24 people served
2 violations (5yr) · All resolved

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

3 violations
All resolved
Surface Water Treatment RuleMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
TTHMMonitoring
1 violation
All resolved
Public NoticeMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0.59 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Mission (57555) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11, most of which are monitoring/reporting issues.

Fewer violations 68th 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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