Water Quality in La Crosse, WI (54667)

EPA violation data for public water systems serving ZIP code 54667.

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

5,100

Population

19

Water Systems

10

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (19)

La Crosse Waterworks

All resolved
Groundwater 53,000 people served
1 violation (5yr) · All resolved
Lead tested: 10.9 ppb (limit: 15 ppb)

Onalaska Waterworks

Groundwater 18,000 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Westby Waterworks

1 health-based
Groundwater 2,400 people served
3 violations (5yr) · 1 health-based
Lead tested: 1.46 ppb (limit: 15 ppb)

Chaseburg Elementary School

Groundwater 125 people served
0 violations

Snowflake Ski Club

Groundwater 100 people served
0 violations

Blue Spruce Mobile Home Community

1 health-based
Groundwater 80 people served
4 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) Copper tested: 1761.5 ppb (limit: 1300 ppb)

Living Waters Bible Cp Ldryrm

Groundwater 75 people served
0 violations

Living Waters Bible Cp Dining Hall

Groundwater 75 people served
0 violations

North Coon Prairie Luth Church

Groundwater 70 people served
0 violations

Duncan Prairie Mhc

All resolved
Groundwater 64 people served
2 violations (5yr) · All resolved
Lead tested: 2.73 ppb (limit: 15 ppb)

Dell United Methodist Church

Groundwater 50 people served
0 violations

Pine Crest Resort 1

Groundwater 41 people served
0 violations

Maple Terrace Resort Fish Houses

Groundwater 40 people served
0 violations

Carmen Stout

Groundwater 31 people served
0 violations

Vang Lutheran Church

Groundwater 30 people served
0 violations

Pine Crest Resort 2-Upper Well

Groundwater 26 people served
0 violations

Skogdalen Lutheran Church

Groundwater 25 people served
0 violations

Maple Terrace Resort Main

Groundwater 25 people served
0 violations

Living Waters Bible Cp Maint Well

Groundwater 25 people served
0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

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

5 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
1 violation
All resolved
Public NoticeMonitoring
2 violations
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
10.9 ppb measured Action level: 15 ppb

Sampled: Jun 2025

Copper (Cu)

Exceeds limit
1761.5 ppb measured Action level: 1300 ppb

Sampled: Jul 2023

How Does This Compare?

La Crosse (54667) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10.

Fewer violations 67th 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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