Water Quality in ASHLAND, WI (54806)

EPA violation data for public water systems serving ZIP code 54806.

835

Total Violations

54

Health-Based

781

Monitoring / Reporting

833

Resolved

What does this mean?

833 of 835 violations have been resolved. 54 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 781 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: 78 Population served: 10,719

Violations Detail (835 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Carbon tetrachlorideMonitoringN/AN/ADec 31, 2024ResolvedLiver problems; increased risk of cancer
EthylbenzeneMonitoringN/AN/ADec 31, 2024ResolvedN/A
Carbon tetrachlorideMonitoringN/AN/ADec 31, 2024ResolvedLiver problems; increased risk of cancer
TrichloroethyleneMonitoringN/AN/ADec 31, 2024ResolvedLiver problems; increased risk of cancer
TrichloroethyleneMonitoringN/AN/ADec 31, 2024ResolvedLiver problems; increased risk of cancer
TrichloroethyleneMonitoringN/AN/ADec 31, 2024ResolvedLiver problems; increased risk of cancer
BenzeneMonitoringN/AN/ADec 31, 2024ResolvedAnemia; decrease in blood platelets; increased risk of cancer
BenzeneMonitoringN/AN/ADec 31, 2024ResolvedAnemia; decrease in blood platelets; increased risk of cancer
BenzeneMonitoringN/AN/ADec 31, 2024ResolvedAnemia; decrease in blood platelets; increased risk of cancer
TetrachloroethyleneMonitoringN/AN/ADec 31, 2024ResolvedLiver problems; increased risk of cancer

Lead & Copper Levels

Violation Timeline

2024(239)

Carbon tetrachloride

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

Carbon tetrachloride

03

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

Benzene

03

Dec 31Resolved

Benzene

03

Dec 31Resolved

Benzene

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

Carbon tetrachloride

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

Xylenes, Total

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

Xylenes, Total

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

Xylenes, Total

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

Public Notice

75

Sep 30Active

Public Notice

75

Sep 30Active

Nitrate-Nitrite

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Benzene

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

Nitrate-Nitrite

02

Mar 31Resolved

Nitrate-Nitrite

02

Mar 31Resolved

Nitrate-Nitrite

02

Mar 31Resolved

Nitrate-Nitrite

02

Mar 31Resolved

Nitrate-Nitrite

02

Mar 31Resolved

Public Notice

75

Mar 10Resolved

Public Notice

75

Mar 10Resolved

Public Notice

75

Feb 26Resolved

Public Notice

75

Feb 26Resolved

Public Notice

75

Feb 26Resolved

Public Notice

75

Feb 26Resolved

2023(145)

Total Haloacetic Acids (HAA5)

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

02

Dec 31Resolved

Lead and Copper Rule

65

Dec 31Resolved

Lead and Copper Rule

65

Dec 31Resolved

Lead and Copper Rule

65

Dec 31Resolved

Lead and Copper Rule

65

Dec 31Resolved

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

Carbon tetrachloride

03

Dec 31Resolved

Carbon tetrachloride

03

Dec 31Resolved

Carbon tetrachloride

03

Dec 31Resolved

Carbon tetrachloride

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

Xylenes, Total

03

Dec 31Resolved

Xylenes, Total

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

Xylenes, Total

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

Xylenes, Total

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

Benzene

03

Dec 31Resolved

Benzene

03

Dec 31Resolved

Benzene

03

Dec 31Resolved

Benzene

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

Nitrate-Nitrite

02

Dec 31Resolved

Nitrate-Nitrite

02

Dec 31Resolved

Nitrate-Nitrite

02

Dec 31Resolved

Nitrate-Nitrite

02

Dec 31Resolved

Nitrate-Nitrite

02

Dec 31Resolved

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

Total Haloacetic Acids (HAA5)

02

Sep 30Resolved

Total Haloacetic Acids (HAA5)

02

Sep 30Resolved

Total Haloacetic Acids (HAA5)

02

Sep 30Resolved

Total Haloacetic Acids (HAA5)

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Nitrate-Nitrite

02

Sep 30Resolved

Public Notice

75

Aug 28Resolved

Public Notice

75

Aug 28Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Nitrate-Nitrite

02

Jun 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Nitrate

03

Mar 31Resolved

Nitrate

03

Mar 31Resolved

Nitrate

03

Mar 31Resolved

Nitrate

03

Mar 31Resolved

How Does This Compare?

ASHLAND (54806) has 835 recorded violations, including 54 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

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

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

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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