Water Quality in Eau Claire, WI (54770)

EPA violation data for public water systems serving ZIP code 54770.

No Health-Based Violations

None of the 13 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are5 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 53% of US ZIP codes.

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

2,033

Population

13

Water Systems

5

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (13)

Eau Claire Waterworks

Groundwater 70,587 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Strum Waterworks

Groundwater 1,100 people served
1 violation (5yr)
Lead tested: 0.8 ppb (limit: 15 ppb)

Eleva Strum High School

All resolved
Groundwater 175 people served
1 violation (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Eleva Strum Elementary School

All resolved
Groundwater 100 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Crystal Lake Park 2

Groundwater 60 people served
0 violations

Phat Bobs Bar & East Cmpgd

Groundwater 52 people served
0 violations

Crystal Lake Park 1- Campground

Groundwater 50 people served
0 violations

Chimney Rock Luth Church

Groundwater 40 people served
0 violations

Phat Bobs Turtle Bay South Cmpgd

All resolved
Groundwater 40 people served
1 violation (5yr) · All resolved

Phat Bobs West Cmpgd

All resolved
Groundwater 36 people served
1 violation (5yr) · All resolved

Viking Skyline Rec/Cmpgd

Groundwater 30 people served
0 violations

Viking Skyline Golf Course

Groundwater 30 people served
0 violations

Eleva-Strum Church Of The Nazarene

Groundwater 25 people served
0 violations

Contaminants Found

Lead and Copper RuleMonitoring

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

2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Sep 2025

How Does This Compare?

Eau Claire (54770) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5, most of which are monitoring/reporting issues.

Fewer violations 53th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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