Water Quality in Fond Du Lac, WI (54937)

EPA violation data for public water systems serving ZIP code 54937.

Active Health Violations

2 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.

More violations than 93% of US ZIP codes.

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

21,687

Population

31

Water Systems

65

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (31)

Fond Du Lac Waterworks

1 health-based

Groundwater 44,303 people served

2 violations (5yr) · 1 health-based · All resolved

Lead tested: 7.9 ppb (limit: 15 ppb) ✓

North Fond Du Lac Waterworks

1 health-based

Groundwater 5,014 people served

3 violations (5yr) · 1 health-based

Lead tested: 9.1 ppb (limit: 15 ppb) ✓

Ashwood Grove Edgewater

Groundwater 1,046 people served

0 violations

Lead tested: 1.6 ppb (limit: 15 ppb) ✓

Lake Shore Mart #1

Groundwater 305 people served

0 violations

Ledgerock Distillery

Groundwater 203 people served

0 violations

Ashwood Grove 2

Groundwater 163 people served

0 violations

Oakgreen Golf Course & Driving Range

Groundwater 157 people served

0 violations

Mercury Racing

Groundwater 132 people served

0 violations

Lead tested: 0.85 ppb (limit: 15 ppb) ✓

Ashwood Grove 5

Groundwater 126 people served

0 violations

Christian Parents For Kids Day Care

Groundwater 120 people served

0 violations

Lead tested: 0 ppb (limit: 15 ppb) ✓ Copper tested: 2570 ppb (limit: 1300 ppb)

Ashwood Grove 3

Groundwater 119 people served

0 violations

Howling Hills Cmpgd

Groundwater 103 people served

0 violations

Hive, The

Groundwater 101 people served

0 violations

Soak Center Saloon

Groundwater 100 people served

0 violations

Ashwood Grove 6

Groundwater 92 people served

0 violations

Ashwood Grove 4

Groundwater 86 people served

0 violations

Little Green Lodge

Groundwater 77 people served

0 violations

Mary Hill Park Sanitary Dist

All resolved

Groundwater 65 people served

1 violation (5yr) · All resolved

Lead tested: 7.85 ppb (limit: 15 ppb) ✓

Tecre Co Inc

Groundwater 60 people served

0 violations

Lead tested: 0 ppb (limit: 15 ppb) ✓

The Nuthouse

Groundwater 53 people served

0 violations

Corral Bar

Groundwater 50 people served

0 violations

Wisconsin Central Railway

Groundwater 50 people served

0 violations

Lead tested: 7.25 ppb (limit: 15 ppb) ✓

Colonial Gardens Homes

All resolved

Groundwater 48 people served

52 violations (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Resolved

Revised Total Coliform Rule Monitoring

Dec 2024 Resolved

Revised Total Coliform Rule Monitoring

Nov 2024 Resolved

Revised Total Coliform Rule Monitoring

Oct 2024 Resolved

Revised Total Coliform Rule Monitoring

Sep 2024 Resolved

Revised Total Coliform Rule Monitoring

Jun 2024 Resolved

Lead and Copper Rule Monitoring

Jun 2024 Resolved

Hexachlorocyclopentadiene Monitoring

Jan 2024 Resolved

Glyphosate Monitoring

Jan 2024 Resolved

Ethylbenzene Monitoring

Jan 2024 Resolved

Toluene Monitoring

Jan 2024 Resolved

Methoxychlor Monitoring

Jan 2024 Resolved

Endrin Monitoring

Jan 2024 Resolved

LASSO Monitoring

Jan 2024 Resolved

1,2-Dichloropropane Monitoring

Jan 2024 Resolved

Chlordane Monitoring

Jan 2024 Resolved

Dalapon Monitoring

Jan 2024 Resolved

Carbon tetrachloride Monitoring

Jan 2024 Resolved

1,2-Dichloroethane Monitoring

Jan 2024 Resolved

Dinoseb Monitoring

Jan 2024 Resolved

Diquat Monitoring

Jan 2024 Resolved

DICHLOROMETHANE Monitoring

Jan 2024 Resolved

p-Dichlorobenzene Monitoring

Jan 2024 Resolved

Trichloroethylene Monitoring

Jan 2024 Resolved

Styrene Monitoring

Jan 2024 Resolved

Simazine Monitoring

Jan 2024 Resolved

Endothall Monitoring

Jan 2024 Resolved

OXAMYL Monitoring

Jan 2024 Resolved

o-Dichlorobenzene Monitoring

Jan 2024 Resolved

Tetrachloroethylene Monitoring

Jan 2024 Resolved

CHLOROBENZENE Monitoring

Jan 2024 Resolved

Heptachlor epoxide Monitoring

Jan 2024 Resolved

HEXACHLOROBENZENE Monitoring

Jan 2024 Resolved

Atrazine Monitoring

Jan 2024 Resolved

cis-1,2-Dichloroethylene Monitoring

Jan 2024 Resolved

1,1,1-Trichloroethane Monitoring

Jan 2024 Resolved

Heptachlor Monitoring

Jan 2024 Resolved

2,4-D Monitoring

Jan 2024 Resolved

trans-1,2-Dichloroethylene Monitoring

Jan 2024 Resolved

1,1,2-Trichloroethane Monitoring

Jan 2024 Resolved

1,2,4-Trichlorobenzene Monitoring

Jan 2024 Resolved

Carbofuran Monitoring

Jan 2024 Resolved

Pentachlorophenol Monitoring

Jan 2024 Resolved

Vinyl chloride Monitoring

Jan 2024 Resolved

BHC-GAMMA Monitoring

Jan 2024 Resolved

Picloram Monitoring

Jan 2024 Resolved

Toxaphene Monitoring

Jan 2024 Resolved

2,4,5-TP Monitoring

Jan 2024 Resolved

Xylenes, Total Monitoring

Jan 2024 Resolved

Nitrate Monitoring

Jan 2024 Resolved

1,1-Dichloroethylene Monitoring

Jan 2024 Resolved

Benzene Monitoring

Jan 2024 Resolved

Nitrate Monitoring

Jan 2023 Resolved

Cabin

Groundwater 32 people served

0 violations

Elmore Heights Trailer Court

All resolved

Groundwater 30 people served

7 violations (5yr) · All resolved

Lead tested: 6.65 ppb (limit: 15 ppb) ✓

Ridge Road Church

Groundwater 25 people served

0 violations

Wescot Sports Men Club

Groundwater 25 people served

0 violations

Kelley Country Creamery Llc

Groundwater 25 people served

0 violations

Friendship Estates 2

Groundwater 25 people served

0 violations

Pamela'S Bar & Grille

Groundwater 25 people served

0 violations

Donny Du'S

Groundwater 25 people served

0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based

4 violations

Has active

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

10 violations

All resolved

NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

3 violations

All resolved

Public NoticeMonitoring

2 violations

All resolved

Lead and Copper RuleMonitoring

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

1 violation

All resolved

HexachlorocyclopentadieneMonitoring

1 violation

All resolved

GlyphosateMonitoring

1 violation

All resolved

EthylbenzeneMonitoring

1 violation

All resolved

TolueneMonitoring

1 violation

All resolved

MethoxychlorMonitoring

1 violation

All resolved

EndrinMonitoring

1 violation

All resolved

LASSOMonitoring

1 violation

All resolved

1,2-DichloropropaneMonitoring

1 violation

All resolved

ChlordaneMonitoring

1 violation

All resolved

DalaponMonitoring

1 violation

All resolved

Carbon tetrachlorideMonitoring

1 violation

All resolved

1,2-DichloroethaneMonitoring

1 violation

All resolved

DinosebMonitoring

1 violation

All resolved

DiquatMonitoring

1 violation

All resolved

DICHLOROMETHANEMonitoring

1 violation

All resolved

p-DichlorobenzeneMonitoring

1 violation

All resolved

TrichloroethyleneMonitoring

1 violation

All resolved

StyreneMonitoring

1 violation

All resolved

SimazineMonitoring

1 violation

All resolved

EndothallMonitoring

1 violation

All resolved

OXAMYLMonitoring

1 violation

All resolved

o-DichlorobenzeneMonitoring

1 violation

All resolved

TetrachloroethyleneMonitoring

1 violation

All resolved

CHLOROBENZENEMonitoring

1 violation

All resolved

Heptachlor epoxideMonitoring

1 violation

All resolved

HEXACHLOROBENZENEMonitoring

1 violation

All resolved

AtrazineMonitoring

1 violation

All resolved

cis-1,2-DichloroethyleneMonitoring

1 violation

All resolved

1,1,1-TrichloroethaneMonitoring

1 violation

All resolved

HeptachlorMonitoring

1 violation

All resolved

2,4-DMonitoring

1 violation

All resolved

trans-1,2-DichloroethyleneMonitoring

1 violation

All resolved

1,1,2-TrichloroethaneMonitoring

1 violation

All resolved

1,2,4-TrichlorobenzeneMonitoring

1 violation

All resolved

CarbofuranMonitoring

1 violation

All resolved

PentachlorophenolMonitoring

1 violation

All resolved

Vinyl chlorideMonitoring

1 violation

All resolved

BHC-GAMMAMonitoring

1 violation

All resolved

PicloramMonitoring

1 violation

All resolved

ToxapheneMonitoring

1 violation

All resolved

2,4,5-TPMonitoring

1 violation

All resolved

Xylenes, TotalMonitoring

1 violation

All resolved

1,1-DichloroethyleneMonitoring

1 violation

All resolved

BenzeneMonitoring

1 violation

All resolved

E. COLIMonitoring

1 violation

All resolved

Lead & Copper Levels

Lead (Pb)

Within limit

0.85 ppb measured Action level: 15 ppb

Sampled: Jun 2025

Copper (Cu)

Exceeds limit

2570 ppb measured Action level: 1300 ppb

Sampled: Jun 2022

How Does This Compare?

Fond Du Lac (54937) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 65.

Fewer violations 93th 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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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