Water Quality in Fond Du Lac, WI (54936)

EPA violation data for public water systems serving ZIP code 54936.

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.

More violations than 29% of US ZIP codes.

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

8

Water Systems

1

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (8)

Congregation Of St Agnes Utility

Groundwater 500 people served
0 violations

Rocky Rococo

Groundwater 300 people served
0 violations

Rolling Meadows Fuel Mart

Groundwater 128 people served
0 violations

Wi Patrol Dist 3

Groundwater 55 people served
0 violations

Fond Du Lac Stone Inc

Groundwater 34 people served
0 violations

A F Klinzing Co Inc

Groundwater 25 people served
0 violations

Fond Du Lac Stone Ops Bldg

1 health-based
Groundwater 25 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Compeer Financial

Groundwater 0
0 violations
Lead tested: 16.55 ppb (limit: 15 ppb)

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jun 2025

How Does This Compare?

Fond Du Lac (54936) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1.

Fewer violations 29th 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.

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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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