Water Quality in ANGOON, AK (99820)

EPA violation data for public water systems serving ZIP code 99820.

289

Total Violations

6

Health-Based

283

Monitoring / Reporting

285

Resolved

What does this mean?

285 of 289 violations have been resolved. 6 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 283 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: 2 Population served: 515

Violations Detail (289 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Surface Water Treatment RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2025ResolvedN/A
ChlorineMonitoringN/AN/AJun 30, 2025ResolvedEye and nose irritation; stomach discomfort
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A

Violation Timeline

2025(64)

Surface Water Treatment Rule

36

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

TTHM

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Chlorine

27

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

Chlorine

27

Apr 30Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Heptachlor

03

Mar 31Resolved

ETHYLENE DIBROMIDE

03

Mar 31Resolved

Benzo(a)pyrene

03

Mar 31Resolved

Atrazine

03

Mar 31Resolved

Toxaphene

03

Mar 31Resolved

Simazine

03

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Chlordane

03

Mar 31Resolved

Heptachlor epoxide

03

Mar 31Resolved

2,4,5-TP

03

Mar 31Resolved

OXAMYL

03

Mar 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

03

Mar 31Resolved

Picloram

03

Mar 31Resolved

HEXACHLOROBENZENE

03

Mar 31Resolved

Diquat

03

Mar 31Resolved

2,3,7,8-TCDD

03

Mar 31Resolved

Total Polychlorinated Biphenyls (PCB)

03

Mar 31Resolved

Di(2-ethylhexyl) phthalate

03

Mar 31Resolved

Chlorine

27

Mar 31Resolved

BHC-GAMMA

03

Mar 31Resolved

Pentachlorophenol

03

Mar 31Resolved

2,4-D

03

Mar 31Resolved

Hexachlorocyclopentadiene

03

Mar 31Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

Endothall

03

Mar 31Resolved

LASSO

03

Mar 31Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Carbofuran

03

Mar 31Resolved

Endrin

03

Mar 31Resolved

Glyphosate

03

Mar 31Resolved

Methoxychlor

03

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Dalapon

03

Mar 31Resolved

Di(2-ethylhexyl) adipate

03

Mar 31Resolved

Dinoseb

03

Mar 31Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Chlorine

27

Feb 28Resolved

Chlorine

27

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

2024(80)

Heptachlor epoxide

03

Dec 31Resolved

Atrazine

03

Dec 31Resolved

Chlorine

27

Dec 31Resolved

2,4,5-TP

03

Dec 31Resolved

Pentachlorophenol

03

Dec 31Resolved

Benzo(a)pyrene

03

Dec 31Resolved

Di(2-ethylhexyl) phthalate

03

Dec 31Resolved

OXAMYL

03

Dec 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

03

Dec 31Resolved

Diquat

03

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Surface Water Treatment Rule

36

Dec 31Resolved

2,4-D

03

Dec 31Resolved

Lead and Copper Rule

52

Dec 31Active

Chlordane

03

Dec 31Resolved

Endrin

03

Dec 31Resolved

Total Polychlorinated Biphenyls (PCB)

03

Dec 31Resolved

Toxaphene

03

Dec 31Resolved

Glyphosate

03

Dec 31Resolved

Dinoseb

03

Dec 31Resolved

Hexachlorocyclopentadiene

03

Dec 31Resolved

Carbofuran

03

Dec 31Resolved

Di(2-ethylhexyl) adipate

03

Dec 31Resolved

2,3,7,8-TCDD

03

Dec 31Resolved

LASSO

03

Dec 31Resolved

Dalapon

03

Dec 31Resolved

HEXACHLOROBENZENE

03

Dec 31Resolved

Simazine

03

Dec 31Resolved

Methoxychlor

03

Dec 31Resolved

Heptachlor

03

Dec 31Resolved

Endothall

03

Dec 31Resolved

Picloram

03

Dec 31Resolved

TTHM

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

BHC-GAMMA

03

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Dec 31Resolved

ETHYLENE DIBROMIDE

03

Dec 31Resolved

Surface Water Treatment Rule

36

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Nov 30Resolved

Chlorine

27

Nov 30Resolved

Surface Water Treatment Rule

36

Oct 31Resolved

Chlorine

27

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

TTHM

27

Sep 30Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Chlorine

27

Sep 30Resolved

Surface Water Treatment Rule

36

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Chlorine

27

Aug 31Resolved

Surface Water Treatment Rule

36

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Chlorine

27

Jul 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

TTHM

27

Jun 30Resolved

Chlorine

27

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Surface Water Treatment Rule

36

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Chlorine

27

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

Surface Water Treatment Rule

36

Feb 29Resolved

Chlorine

27

Feb 29Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jan 31Resolved

How Does This Compare?

ANGOON (99820) has 289 recorded violations, including 6 health-based. 4 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.

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