Water Quality in MIDDLETON, WI (53562)

EPA violation data for public water systems serving ZIP code 53562.

133

Total Violations

Health-Based

125

Monitoring / Reporting

131

Resolved

What does this mean?

131 of 133 violations have been resolved. 8 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 125 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 42 Population served: 28,511

Violations Detail (133 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Public Notice	Monitoring	N/A	N/A	Oct 16, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Oct 16, 2024	Active	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb sulfoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb sulfoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb sulfoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb sulfone	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb sulfone	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb sulfone	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb sulfone	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Cardiovascular system or reproductive problems
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Aldicarb sulfoxide	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Di(2-ethylhexyl) phthalate	Health-Based	N/A	10.95	Jul 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Health-Based	N/A	10.95	Jul 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Health-Based	N/A	10.95	Jul 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Health-Based	N/A	10.95	Jul 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Health-Based	N/A	10.95	Jul 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Health-Based	N/A	10.95	Jul 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Health-Based	N/A	10.95	Jul 31, 2021	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2024(4)

Public Notice

Oct 16Active

Public Notice

Oct 16Active

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

2022(104)

Pentachlorophenol

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

LASSO

Dec 31Resolved

LASSO

Dec 31Resolved

LASSO

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

OXAMYL

Dec 31Resolved

OXAMYL

Dec 31Resolved

OXAMYL

Dec 31Resolved

OXAMYL

Dec 31Resolved

Diquat

Dec 31Resolved

Diquat

Dec 31Resolved

Diquat

Dec 31Resolved

Diquat

Dec 31Resolved

Glyphosate

Dec 31Resolved

Glyphosate

Dec 31Resolved

Glyphosate

Dec 31Resolved

Glyphosate

Dec 31Resolved

Dinoseb

Dec 31Resolved

Dinoseb

Dec 31Resolved

Dinoseb

Dec 31Resolved

Dinoseb

Dec 31Resolved

Aldicarb sulfoxide

Dec 31Resolved

LASSO

Dec 31Resolved

Aldicarb sulfoxide

Dec 31Resolved

Aldicarb sulfoxide

Dec 31Resolved

Aldicarb sulfone

Dec 31Resolved

Aldicarb sulfone

Dec 31Resolved

Aldicarb sulfone

Dec 31Resolved

Aldicarb sulfone

Dec 31Resolved

Aldicarb

Dec 31Resolved

Aldicarb

Dec 31Resolved

Aldicarb

Dec 31Resolved

Aldicarb

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

2,4-D

Dec 31Resolved

2,4-D

Dec 31Resolved

2,4-D

Dec 31Resolved

2,4-D

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

Carbofuran

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

Chlordane

Dec 31Resolved

Chlordane

Dec 31Resolved

Chlordane

Dec 31Resolved

Chlordane

Dec 31Resolved

Simazine

Dec 31Resolved

Simazine

Dec 31Resolved

Simazine

Dec 31Resolved

Simazine

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Endrin

Dec 31Resolved

Endrin

Dec 31Resolved

Endrin

Dec 31Resolved

Endrin

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

Carbofuran

Dec 31Resolved

Atrazine

Dec 31Resolved

Atrazine

Dec 31Resolved

Atrazine

Dec 31Resolved

Atrazine

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

Carbofuran

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

Carbofuran

Dec 31Resolved

Toxaphene

Dec 31Resolved

Toxaphene

Dec 31Resolved

Toxaphene

Dec 31Resolved

Toxaphene

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

Endothall

Dec 31Resolved

Endothall

Dec 31Resolved

Endothall

Dec 31Resolved

Endothall

Dec 31Resolved

Dalapon

Dec 31Resolved

Dalapon

Dec 31Resolved

Dalapon

Dec 31Resolved

Dalapon

Dec 31Resolved

Picloram

Dec 31Resolved

Picloram

Dec 31Resolved

Picloram

Dec 31Resolved

Picloram

Dec 31Resolved

Aldicarb sulfoxide

Dec 31Resolved

How Does This Compare?

MIDDLETON (53562) has 133 recorded violations, including 8 health-based. 2 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

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 →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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.

Water Quality in MIDDLETON, WI (53562)

What does this mean?

Violations Detail (133 total)

Lead & Copper Levels

Violation Timeline

2024(4)

2022(104)

2021(25)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code