Water Quality in Manitowoc, WI (53042)

EPA violation data for public water systems serving ZIP code 53042.

No Health-Based Violations

None of the 22 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 36% of US ZIP codes.

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

6,810

Population

22

Water Systems

2

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (22)

Manitowoc Waterworks

Surface water 34,500 people served
0 violations
Lead tested: 7.7 ppb (limit: 15 ppb)

Kiel Waterworks

All resolved
Groundwater 3,932 people served
2 violations (5yr) · All resolved
Lead tested: 0.77 ppb (limit: 15 ppb)

Golf Course At Branch River

Groundwater 220 people served
0 violations

Land O Lakes Dairy

Groundwater 120 people served
0 violations

Meeme Elementary School

Groundwater 100 people served
0 violations

Shadows Bar

Groundwater 50 people served
0 violations

Nigrelli Inc

Groundwater 45 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Aquamaster

Groundwater 45 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Henning Cheese

Groundwater 45 people served
0 violations
Lead tested: 0.88 ppb (limit: 15 ppb)

Conrads 2nd Knot

Groundwater 35 people served
0 violations

Walsdorf Roofing Co

Groundwater 30 people served
0 violations
Lead tested: 0.13 ppb (limit: 15 ppb)

Robinway Dairy Llc

Groundwater 28 people served
0 violations
Lead tested: 2.75 ppb (limit: 15 ppb)

Webers Quik Stop

Groundwater 26 people served
0 violations

Bethlehem Un Ch Christ

Groundwater 25 people served
0 violations

Schlingos Rockville Bar

Groundwater 25 people served
0 violations

Kiel Fish & Game Inc

Groundwater 25 people served
0 violations

Holy Trinity Cath Ch

Groundwater 25 people served
0 violations

Steinthal Valley Lodge

Groundwater 25 people served
0 violations

Zion Ev Lutheran Ch

Groundwater 25 people served
0 violations

Smiling Moose Saloon

Groundwater 25 people served
0 violations

Boys Town Bar

Groundwater 25 people served
0 violations

Kingdom Hall Of Jev Witness

Groundwater 0
0 violations

Contaminants Found

Lead and Copper RuleMonitoring

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

1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
7.7 ppb measured Action level: 15 ppb

Sampled: Jun 2025

How Does This Compare?

Manitowoc (53042) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.

Fewer violations 36th 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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