Water Quality in Madison, WI (53705)

EPA violation data for public water systems serving ZIP code 53705.

Active Health Violations

4 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 82% of US ZIP codes.

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

25,017

Population

Water Systems

Violations (5yr)

Health-Based

Location

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Water Systems Serving This Area (92)

Madison Water Utility

1 health-based

Groundwater 272,000 people served

2 violations (5yr) · 1 health-based

Lead tested: 1.8 ppb (limit: 15 ppb) ✓

Wi Dot Rest Area 12 Dekorra West Bound

Groundwater 3,255 people served

0 violations

Wi Dot Rest Area 14 Aztalan

All resolved

Groundwater 3,204 people served

5 violations (5yr) · All resolved

Wi Dot Rest Area 22 Turtle

Groundwater 3,005 people served

0 violations

Wi Dot Rest Area 13 Aztalan

All resolved

Groundwater 3,004 people served

4 violations (5yr) · All resolved

Wi Dot Rest Area 11 Dekorra East Bound

Groundwater 2,505 people served

0 violations

Wi Dot Rest Area 17 Milton

Groundwater 2,503 people served

0 violations

Wi Dot Rest Area 54 Westbound

Groundwater 2,200 people served

0 violations

Wi Dot Rest Area 53 Eastbound

Groundwater 2,090 people served

0 violations

Wi Dot Rest Area 9 Lemonweir

Groundwater 2,000 people served

0 violations

Wi Dot Rest Area 10 Kildare

Groundwater 2,000 people served

0 violations

Shorewood Hills Waterworks

Purchased groundwater 1,670 people served

5 violations (5yr)

Lead tested: 1.72 ppb (limit: 15 ppb) ✓

Wi Dot Rest Area 64 Lomira North Bound

Groundwater 1,601 people served

0 violations

Wi Dot Rest Area 63 Lomira South Bound

Groundwater 1,601 people served

0 violations

Wi Dot Rest Area 81 Southbound

Groundwater 1,400 people served

0 violations

Wi Dot Rest Area 82 Northbound

Groundwater 1,350 people served

0 violations

Wi Dot Rest Area 15 Bangor

Groundwater 1,200 people served

0 violations

Wi Dot Rest Area 52 N Cooperstown

All resolved

Groundwater 1,100 people served

1 violation (5yr) · All resolved

Wi Dot Rest Area 51 S Cooperstown

Groundwater 1,010 people served

0 violations

Wi Dot Rest Area 106 Jamestown

Groundwater 880 people served

0 violations

Wi Dot Rest Area 35 Lafayette

Groundwater 800 people served

0 violations

Wi Dot Rest Area 36 Lafayette

Groundwater 800 people served

0 violations

Wi Dot Rest Area 31 & Info Center Lacrosse

Groundwater 650 people served

0 violations

Wi Dot Wayside 8 Strongs Prairie

Groundwater 550 people served

0 violations

Wi Dot Wayside 17 West Point

Groundwater 500 people served

0 violations

Wi Dot Wayside 4 Preston

Groundwater 500 people served

0 violations

Wi Dot Wayside 2 Orange Camp Douglas

Groundwater 500 people served

0 violations

Wi Dot Rest Area 16 Sparta

Groundwater 440 people served

0 violations

Wi Dot Wayside 4 Richfield

Groundwater 232 people served

0 violations

Holy Wisdom Monastery

Groundwater 220 people served

0 violations

Wi Dot Wayside 6 Princeton

Groundwater 205 people served

0 violations

Wi Dot Drivers Licensing & Testing

Groundwater 156 people served

0 violations

Wi Dot Rest Area 24 Bloomfield

Groundwater 150 people served

0 violations

Wi Dot Wayside 3 Stockholm

Groundwater 100 people served

0 violations

Wi Dot Wayside Cavour

All resolved

Groundwater 100 people served

1 violation (5yr) · All resolved

Wi Dot Wayside 7 Waubeek

Groundwater 100 people served

0 violations

Wi Dot Wayside 10 Monico

Groundwater 100 people served

0 violations

Wi Dot Wayside 13 Three Lakes

Groundwater 100 people served

0 violations

Wi Dot Wayside 31 St Germain

Groundwater 100 people served

0 violations

Wi Dot Wayside 23 Lincoln

Groundwater 100 people served

0 violations

Wi Dot Wayside 6 Sand Creek

Groundwater 100 people served

0 violations

Wi Dot Wayside 11 Goetz

Groundwater 100 people served

0 violations

Wi Dot Wayside 1 Potosi

Groundwater 80 people served

0 violations

Wi Dot Wayside 3 Richwood

Groundwater 75 people served

0 violations

Wi Dot Wayside 8 Lake Holcombe

Groundwater 75 people served

0 violations

Wi Dot Wayside 3 - Ixonia

Groundwater 75 people served

0 violations

Wi Dot Wayside 13 Pierside

Groundwater 65 people served

0 violations

Wi Dot Wayside 6 Lynxville

Groundwater 60 people served

0 violations

Wi Dot Wayside 5 Blair

Groundwater 60 people served

0 violations

Dayton Roadhouse

Groundwater 55 people served

0 violations

Wi Dot Beloit Swef 19

3 health-based

Groundwater 55 people served

3 violations (5yr) · 3 health-based · All resolved

Wi Dot Wayside 6 Redgranite

Groundwater 50 people served

0 violations

Wi Dot Wayside 3 Hickory Grove

Groundwater 50 people served

0 violations

Wi Dot Wayside 6 Sugarbush

Groundwater 50 people served

0 violations

Wi Dot Wayside 1 Osseo

Groundwater 50 people served

0 violations

Wi Dot Wayside 1 Arena

Groundwater 50 people served

0 violations

Wi Dot Wayside 1 Maiden Rock

Groundwater 50 people served

0 violations

Wi Dot Wayside 1 Buena Vista

All resolved

Groundwater 50 people served

3 violations (5yr) · All resolved

Wi Dot Wayside 7 Royalton

Groundwater 50 people served

0 violations

Wi Dot Wayside 3 Niagara

Groundwater 50 people served

0 violations

Wi Dot Wayside 10 Millhome

Groundwater 50 people served

0 violations

Wi Dot Wayside 6 Lima

Groundwater 50 people served

0 violations

Wi Dot Wayside 8 Mount Ida

Groundwater 50 people served

0 violations

Pine Ridge Condo Assn

Groundwater 49 people served

0 violations

Beltline Property

Groundwater 47 people served

0 violations

Wi Dot Wayside 2 Gratiot

Groundwater 40 people served

0 violations

Deer Lake Resort

Groundwater 30 people served

0 violations

Wi Dot Sparta Swef 54

All resolved

Groundwater 28 people served

1 violation (5yr) · All resolved

Wi Dot Rest Area 33 R-3-33

Groundwater 25 people served

0 violations

Wi Dot Wayside W-50-4

Groundwater 25 people served

0 violations

Wi Dot Wayside W-60-1

All resolved

Groundwater 25 people served

1 violation (5yr) · All resolved

Wi Dot Wayside 8 Martell

Groundwater 25 people served

0 violations

Wi Dot Wayside W-4-6 Port Wing Orienta

Groundwater 25 people served

0 violations

Wi Dot Wayside W-4-10 Cable

Groundwater 25 people served

0 violations

Wi Dot Wayside W-3-1

Groundwater 25 people served

0 violations

Wi Dot Wayside W-65-10 Minong

Groundwater 25 people served

0 violations

Wi Dot Rest Area 34 R-3-34

Groundwater 25 people served

0 violations

Wi Dot Wayside W-48-1

Groundwater 25 people served

0 violations

Wi Dot Fairy Dell Park Wayside 3

Groundwater 25 people served

2 violations (5yr)

Wi Dot Wayside Gilman W-60-6

Groundwater 25 people served

0 violations

Wi Dot Wayside 7

All resolved

Groundwater 25 people served

1 violation (5yr) · All resolved

Wi Dot Wayside W-26-5

Groundwater 25 people served

0 violations

Wi Dot Wayside W-2-2

Groundwater 25 people served

0 violations

Wi Dot Wayside W-60-2

Groundwater 25 people served

0 violations

Wi Dot Wayside W-50-5

Groundwater 25 people served

0 violations

Wi Dot Wayside W-16-3 Upper

Groundwater 25 people served

0 violations

Private Wayside Sand Bay

Groundwater 25 people served

0 violations

Wi Dot Wayside 6 Gillett

Groundwater 25 people served

0 violations

Wi Dot Wayside 8 Greenfield

Groundwater 25 people served

0 violations

Wi Dot Wayside 5 Lakewood

Groundwater 25 people served

0 violations

Wi Dot Wayside W-16-6

Groundwater 25 people served

0 violations

Wi Dot Sumner West Of Busseyville Artesian

Groundwater 10 people served

0 violations

Contaminants Found

Nitrate-NitriteHealth-Based

3 violations

All resolved

LEAD AND COPPER RULE REVISIONSHealth-Based

1 violation

All resolved

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

14 violations

All resolved

Public NoticeMonitoring

4 violations

Has active

Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation

All resolved

Total Haloacetic Acids (HAA5)Monitoring

1 violation

All resolved

TTHMMonitoring

1 violation

All resolved

E. COLIMonitoring

1 violation

All resolved

Groundwater RuleMonitoring

1 violation

All resolved

NitrateMonitoring

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

1 violation

All resolved

Lead & Copper Levels

Lead (Pb)

Within limit

1.8 ppb measured Action level: 15 ppb

Sampled: Jun 2023

How Does This Compare?

Madison (53705) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 29.

Fewer violations 82th 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.