Water Quality in Mankato, MN (56010)

EPA violation data for public water systems serving ZIP code 56010.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 2 monitoring/reporting violations.

More violations than 43% of US ZIP codes.

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

1,159

Population

3

Water Systems

3

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (3)

Mankato

Groundwater under influence of surface water 42,803 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Amboy

1 health-based
Groundwater 535 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 12 ppb (limit: 15 ppb) Copper tested: 2050 ppb (limit: 1300 ppb)

Syngenta Seeds, Inc.

Groundwater 30 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

Contaminants Found

Combined Radium (-226 and -228)Health-Based
1 violation
All resolved
TTHMMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
12 ppb measured Action level: 15 ppb

Sampled: Jul 2025

Copper (Cu)

Exceeds limit
2050 ppb measured Action level: 1300 ppb

Sampled: Jan 2025

How Does This Compare?

Mankato (56010) 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.

Fewer violations 43th percentile More violations

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.

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