Water Quality in Mt Sterling, WI (54645)

EPA violation data for public water systems serving ZIP code 54645.

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

97

Population

2

Water Systems

12

Violations (5yr)

4

Health-Based

Location

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Water Systems Serving This Area (2)

Mount Sterling Waterworks

4 health-based
Groundwater 206 people served
12 violations (5yr) · 4 health-based
Lead tested: 4.5 ppb (limit: 15 ppb)

Utica Lutheran Church Of Mt Sterling

Groundwater 15 people served
0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

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

4 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Public NoticeMonitoring
1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
4.5 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Mt Sterling (54645) has more violations than 70% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12.

Fewer violations 70th 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

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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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