Water Quality in KETCHIKAN, AK (99950)

EPA violation data for public water systems serving ZIP code 99950.

201

Total Violations

Health-Based

161

Monitoring / Reporting

194

Resolved

What does this mean?

194 of 201 violations have been resolved. 40 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 161 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: 4 Population served: 128

Violations Detail (201 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 18, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Oct 2, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Oct 2, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Oct 2, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Oct 2, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.107	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.103	Mar 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Surface Water Treatment 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
Chlorine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment 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
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Liver problems; increased risk of cancer
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Liver problems; increased risk of cancer
Styrene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 3, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 3, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 3, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 3, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 3, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Sep 19, 2021	Active	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Sep 19, 2021	Active	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Aug 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 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
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	160.6	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Surface Water Treatment 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
Interim Enhanced Surface Water Treatment 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
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Long Term 2 Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Long Term 2 Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
TTHM	Health-Based	N/A	0.09	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.081	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(2)

Revised Total Coliform Rule

Jul 18Active

Revised Total Coliform Rule

Feb 28Resolved

2024(3)

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

2022(70)

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Chlorine

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Chlorine

Dec 31Resolved

Revised Total Coliform Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Chlorine

Sep 30Resolved

Chlorine

Sep 30Resolved

Surface Water Treatment Rule

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Chlorine

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Chlorine

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Chlorine

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

2021(99)

Xylenes, Total

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Toluene

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

CHLOROBENZENE

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

Chlorine

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Styrene

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Benzene

Dec 31Resolved

1,2-Dichloropropane

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

TTHM

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

1,2-Dichloroethane

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

Surface Water Treatment Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 3Resolved

Revised Total Coliform Rule

Nov 3Resolved

Revised Total Coliform Rule

Nov 3Resolved

Revised Total Coliform Rule

Nov 3Resolved

Revised Total Coliform Rule

Nov 3Resolved

Revised Total Coliform Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Consumer Confidence Rule

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Chlorine

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

TTHM

Sep 30Resolved

Surface Water Treatment Rule

Sep 19Active

Surface Water Treatment Rule

Sep 19Active

Surface Water Treatment Rule

Aug 31Resolved

Surface Water Treatment Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Consumer Confidence Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

TTHM

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

TTHM

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Chlorine

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

TTHM

May 31Resolved

Total Haloacetic Acids (HAA5)

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Revised Total Coliform Rule

Apr 30Resolved

Surface Water Treatment Rule

Apr 30Resolved

Surface Water Treatment Rule

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

Apr 30Resolved

Surface Water Treatment Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Chlorine

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Chlorine

Mar 31Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Revised Total Coliform Rule

Feb 28Resolved

Surface Water Treatment Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

How Does This Compare?

KETCHIKAN (99950) has 201 recorded violations, including 40 health-based. 7 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 →

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 KETCHIKAN, AK (99950)

What does this mean?

Violations Detail (201 total)

Lead & Copper Levels

Violation Timeline

2025(2)

2024(3)

2023(27)

2022(70)

2021(99)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

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