Water Quality in Napavine, WA (98565)

EPA violation data for public water systems serving ZIP code 98565.

198

Total Violations

Health-Based

186

Monitoring / Reporting

197

Resolved

What does this mean?

197 of 198 violations have been resolved. 12 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 186 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: 17,733

Violations Detail (198 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Ethylbenzene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	Increased risk of cancer
Dalapon	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Tetrachloroethylene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	Liver problems; increased risk of cancer
Toxaphene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
o-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	Liver problems; increased risk of cancer
Picloram	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	Cardiovascular system or reproductive problems
Benzo(a)pyrene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Cardiovascular system or reproductive problems
LASSO	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Mar 30, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Nov 30, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Nov 30, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Oct 31, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Oct 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 30, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 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
Tetrachloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
BHC-GAMMA	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloroethane	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
p-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Cardiovascular system or reproductive problems
Vinyl chloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Endrin	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Consumer Confidence 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	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Cardiovascular system or reproductive problems
Endrin	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(42)

Ethylbenzene

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

trans-1,2-Dichloroethylene

Jun 30Resolved

1,1,1-Trichloroethane

Jun 30Resolved

Vinyl chloride

Jun 30Resolved

Dalapon

Jun 30Resolved

Chlordane

Jun 30Resolved

Tetrachloroethylene

Jun 30Resolved

Toxaphene

Jun 30Resolved

LASSO

Jun 30Resolved

1,2-Dichloropropane

Jun 30Resolved

p-Dichlorobenzene

Jun 30Resolved

Benzene

Jun 30Resolved

o-Dichlorobenzene

Jun 30Resolved

Simazine

Jun 30Resolved

Endrin

Jun 30Resolved

Carbon tetrachloride

Jun 30Resolved

Trichloroethylene

Jun 30Resolved

Picloram

Jun 30Resolved

Dinoseb

Jun 30Resolved

2,4,5-TP

Jun 30Resolved

Pentachlorophenol

Jun 30Resolved

cis-1,2-Dichloroethylene

Jun 30Resolved

1,1-Dichloroethylene

Jun 30Resolved

1,2-Dichloroethane

Jun 30Resolved

1,1,2-Trichloroethane

Jun 30Resolved

CHLOROBENZENE

Jun 30Resolved

Toluene

Jun 30Resolved

Styrene

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

Methoxychlor

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

Heptachlor

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

DICHLOROMETHANE

Jun 30Resolved

Atrazine

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

1,2,4-Trichlorobenzene

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

Feb 28Resolved

2024(27)

Lead and Copper Rule

Dec 31Active

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Chlordane

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

Atrazine

Jun 30Resolved

LASSO

Jun 30Resolved

Endrin

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

Methoxychlor

Jun 30Resolved

Toxaphene

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

Simazine

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

Heptachlor

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

2021(74)

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Tetrachloroethylene

Jun 30Resolved

BHC-GAMMA

Jun 30Resolved

Toxaphene

Jun 30Resolved

1,1,1-Trichloroethane

Jun 30Resolved

1,2-Dichloropropane

Jun 30Resolved

1,2-Dichloroethane

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

p-Dichlorobenzene

Jun 30Resolved

1,1-Dichloroethylene

Jun 30Resolved

Atrazine

Jun 30Resolved

Vinyl chloride

Jun 30Resolved

Carbon tetrachloride

Jun 30Resolved

Benzene

Jun 30Resolved

Endrin

Jun 30Resolved

Methoxychlor

Jun 30Resolved

Di(2-ethylhexyl) adipate

Jun 30Resolved

Simazine

Jun 30Resolved

Di(2-ethylhexyl) phthalate

Jun 30Resolved

Hexachlorocyclopentadiene

Jun 30Resolved

LASSO

Jun 30Resolved

Heptachlor

Jun 30Resolved

Heptachlor epoxide

Jun 30Resolved

HEXACHLOROBENZENE

Jun 30Resolved

Benzo(a)pyrene

Jun 30Resolved

Chlordane

Jun 30Resolved

Dalapon

Jun 30Resolved

Picloram

Jun 30Resolved

Dinoseb

Jun 30Resolved

2,4,5-TP

Jun 30Resolved

Pentachlorophenol

Jun 30Resolved

1,2,4-Trichlorobenzene

Jun 30Resolved

cis-1,2-Dichloroethylene

Jun 30Resolved

o-Dichlorobenzene

Jun 30Resolved

trans-1,2-Dichloroethylene

Jun 30Resolved

DICHLOROMETHANE

Jun 30Resolved

1,1,2-Trichloroethane

Jun 30Resolved

CHLOROBENZENE

Jun 30Resolved

Toluene

Jun 30Resolved

Ethylbenzene

Jun 30Resolved

Styrene

Jun 30Resolved

Trichloroethylene

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Heptachlor epoxide

Mar 31Resolved

Di(2-ethylhexyl) phthalate

Mar 31Resolved

Simazine

Mar 31Resolved

Di(2-ethylhexyl) adipate

Mar 31Resolved

Atrazine

Mar 31Resolved

Endrin

Mar 31Resolved

BHC-GAMMA

Mar 31Resolved

Methoxychlor

Mar 31Resolved

Toxaphene

Mar 31Resolved

LASSO

Mar 31Resolved

Heptachlor

Mar 31Resolved

Benzo(a)pyrene

Mar 31Resolved

Chlordane

Mar 31Resolved

Hexachlorocyclopentadiene

Mar 31Resolved

HEXACHLOROBENZENE

Mar 31Resolved

Revised Total Coliform Rule

Feb 28Resolved

How Does This Compare?

Napavine (98565) has 198 recorded violations, including 12 health-based. 1 remains 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 →

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

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 Napavine, WA (98565)

What does this mean?

Violations Detail (198 total)

Lead & Copper Levels

Violation Timeline

2025(42)

2024(27)

2023(30)

2022(25)

2021(74)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

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