Water Quality in Leavenworth, WA (98826)

EPA violation data for public water systems serving ZIP code 98826.

176

Total Violations

0

Health-Based

176

Monitoring / Reporting

176

Resolved

What does this mean?

176 of 176 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 176 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: 86 Population served: 19,349

Violations Detail (176 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJan 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJan 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJan 31, 2025ResolvedN/A
BenzeneMonitoringN/AN/ADec 31, 2024ResolvedAnemia; decrease in blood platelets; increased risk of cancer

Lead & Copper Levels

Violation Timeline

2025(9)

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

2024(132)

Benzene

03

Dec 31Resolved

Di(2-ethylhexyl) phthalate

03

Dec 31Resolved

Dalapon

03

Dec 31Resolved

Heptachlor

03

Dec 31Resolved

Toxaphene

03

Dec 31Resolved

HEXACHLOROBENZENE

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

Benzo(a)pyrene

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

Hexachlorocyclopentadiene

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

Endrin

03

Dec 31Resolved

BHC-GAMMA

03

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

Methoxychlor

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

Di(2-ethylhexyl) adipate

03

Dec 31Resolved

Chlordane

03

Dec 31Resolved

Simazine

03

Dec 31Resolved

Pentachlorophenol

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

Atrazine

03

Dec 31Resolved

2,4,5-TP

03

Dec 31Resolved

Dinoseb

03

Dec 31Resolved

Picloram

03

Dec 31Resolved

Heptachlor epoxide

03

Dec 31Resolved

LASSO

03

Dec 31Resolved

Carbon tetrachloride

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Dinoseb

03

Jun 30Resolved

Picloram

03

Jun 30Resolved

Atrazine

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

Hexachlorocyclopentadiene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

Dalapon

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

2,4,5-TP

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

Di(2-ethylhexyl) phthalate

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

Pentachlorophenol

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Toluene

03

Mar 31Resolved

Methoxychlor

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Dalapon

03

Mar 31Resolved

2,4,5-TP

03

Mar 31Resolved

Di(2-ethylhexyl) adipate

03

Mar 31Resolved

Hexachlorocyclopentadiene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

Chlordane

03

Mar 31Resolved

Benzo(a)pyrene

03

Mar 31Resolved

Heptachlor epoxide

03

Mar 31Resolved

LASSO

03

Mar 31Resolved

Di(2-ethylhexyl) phthalate

03

Mar 31Resolved

Simazine

03

Mar 31Resolved

BHC-GAMMA

03

Mar 31Resolved

Endrin

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Atrazine

03

Mar 31Resolved

Toxaphene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Heptachlor

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

HEXACHLOROBENZENE

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

Picloram

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

Dinoseb

03

Mar 31Resolved

Pentachlorophenol

03

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

How Does This Compare?

Leavenworth (98826) has 176 recorded violations, none of which are health-based. All violations have been resolved, which is a positive sign for current water quality. 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.

Nearby ZIP Codes

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