Water Quality in Port Orchard, WA (98366)

EPA violation data for public water systems serving ZIP code 98366.

551

Total Violations

93

Health-Based

458

Monitoring / Reporting

550

Resolved

What does this mean?

550 of 551 violations have been resolved. 93 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 458 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: 518 Population served: 121,437

Violations Detail (551 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Revised Total Coliform RuleHealth-BasedN/AN/AAug 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Lead and Copper RuleHealth-BasedN/AN/AJul 27, 2025ResolvedN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ResolvedN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ResolvedN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ResolvedN/A
NitrateMonitoringN/AN/AJun 30, 2025ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Combined UraniumHealth-BasedN/A31Jun 30, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(44)

Revised Total Coliform Rule

1A

Aug 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Lead and Copper Rule

59

Jul 27Resolved

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Resolved

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Resolved

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Resolved

Nitrate

03

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Combined Uranium

01

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Nitrate

01

Jun 30Resolved

TTHM

02

Jun 30Resolved

Arsenic

03

Jun 30Resolved

Arsenic

03

Jun 30Resolved

Arsenic

01

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Methoxychlor

03

Mar 31Resolved

Simazine

03

Mar 31Resolved

Hexachlorocyclopentadiene

03

Mar 31Resolved

Endrin

03

Mar 31Resolved

Toxaphene

03

Mar 31Resolved

Heptachlor

03

Mar 31Resolved

HEXACHLOROBENZENE

03

Mar 31Resolved

Heptachlor epoxide

03

Mar 31Resolved

Di(2-ethylhexyl) adipate

03

Mar 31Resolved

Di(2-ethylhexyl) phthalate

03

Mar 31Resolved

Atrazine

03

Mar 31Resolved

LASSO

03

Mar 31Resolved

Benzo(a)pyrene

03

Mar 31Resolved

Chlordane

03

Mar 31Resolved

BHC-GAMMA

03

Mar 31Resolved

Arsenic

03

Mar 31Resolved

Arsenic

01

Mar 31Resolved

Lead and Copper Rule

65

Mar 30Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

1A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

2024(95)

Combined Uranium

01

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Vinyl chloride

03

Dec 31Resolved

Tetrachloroethylene

03

Dec 31Resolved

1,2-Dichloroethane

03

Dec 31Resolved

1,1,1-Trichloroethane

03

Dec 31Resolved

Benzene

03

Dec 31Resolved

1,2,4-Trichlorobenzene

03

Dec 31Resolved

cis-1,2-Dichloroethylene

03

Dec 31Resolved

DICHLOROMETHANE

03

Dec 31Resolved

o-Dichlorobenzene

03

Dec 31Resolved

1,1-Dichloroethylene

03

Dec 31Resolved

trans-1,2-Dichloroethylene

03

Dec 31Resolved

1,2-Dichloropropane

03

Dec 31Resolved

1,1,2-Trichloroethane

03

Dec 31Resolved

CHLOROBENZENE

03

Dec 31Resolved

Toluene

03

Dec 31Resolved

Styrene

03

Dec 31Resolved

Ethylbenzene

03

Dec 31Resolved

Trichloroethylene

03

Dec 31Resolved

Carbon tetrachloride

03

Dec 31Resolved

p-Dichlorobenzene

03

Dec 31Resolved

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

Arsenic

01

Dec 31Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Combined Uranium

01

Sep 30Resolved

Nitrate

01

Sep 30Resolved

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

1,2,4-Trichlorobenzene

03

Sep 30Resolved

1,1,2-Trichloroethane

03

Sep 30Resolved

Tetrachloroethylene

03

Sep 30Resolved

CHLOROBENZENE

03

Sep 30Resolved

1,2-Dichloroethane

03

Sep 30Resolved

1,1-Dichloroethylene

03

Sep 30Resolved

Styrene

03

Sep 30Resolved

Vinyl chloride

03

Sep 30Resolved

Carbon tetrachloride

03

Sep 30Resolved

Trichloroethylene

03

Sep 30Resolved

Benzene

03

Sep 30Resolved

Ethylbenzene

03

Sep 30Resolved

Toluene

03

Sep 30Resolved

DICHLOROMETHANE

03

Sep 30Resolved

o-Dichlorobenzene

03

Sep 30Resolved

p-Dichlorobenzene

03

Sep 30Resolved

trans-1,2-Dichloroethylene

03

Sep 30Resolved

1,1,1-Trichloroethane

03

Sep 30Resolved

1,2-Dichloropropane

03

Sep 30Resolved

cis-1,2-Dichloroethylene

03

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Styrene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Combined Uranium

01

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

TTHM

02

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Nitrate

01

Mar 31Resolved

Arsenic

03

Mar 31Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

How Does This Compare?

Port Orchard (98366) has 551 recorded violations, including 93 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

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.

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