Water Quality in Willmar, MN (56253)

EPA violation data for public water systems serving ZIP code 56253.

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

740

Population

7

Water Systems

16

Violations (5yr)

12

Health-Based

Location

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Water Systems Serving This Area (7)

Willmar

Groundwater 21,045 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) Copper tested: 1810 ppb (limit: 1300 ppb)

Lake Lillian

12 health-based
Groundwater 236 people served
16 violations (5yr) ยท 12 health-based

Big Kandiyohi Lake County Park West

Groundwater 150 people served
0 violations

Big Kandiyohi County Park East

Groundwater 100 people served
0 violations

Tilhenger Campground

Groundwater 25 people served
0 violations

Lake Lillian Farmers Elevator Company

Groundwater 25 people served
0 violations

First Lutheran Church

Groundwater 25 people served
0 violations

Contaminants Found

ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

12 violations
Has active
Public NoticeMonitoring
4 violations
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

Copper (Cu)

Exceeds limit
1810 ppb measured Action level: 1300 ppb

Sampled: Jan 2025

How Does This Compare?

Willmar (56253) has more violations than 75% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 16.

Fewer violations 75th 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.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 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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