City water profile

Water hardness in Emmonak

Find official utility reports, understand hardness, and check the water system serving your home in Emmonak, Alaska.

Utility-reported hardness

Not yet available

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State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 0

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

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Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Emmonak Water System

AK2270299 · Surface water · 820 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (3)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 9.4e-4 mg/L
Action level: 0.015 mg/L

6% of the listed benchmark

Monitoring period: Jan 1, 2019 to Dec 31, 2021

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 2.5 mg/L
Action level: 1.3 mg/L

192% of the listed benchmark

Monitoring period: Jan 2, 1994 to Jul 1, 1994

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.141 MG/L
Maximum contaminant level: 0.08 MG/L

176% of the listed benchmark

Monitoring period: Oct 1, 2025 to Dec 31, 2025

Violation history (300)

Imported violation history for Emmonak Water System
Rule	Status	Period
TTHM	Unaddressed	Mar 17, 2026
CARBON, TOTAL	Archived	Mar 1, 2026 to Mar 31, 2026
CARBON, TOTAL	Archived	Mar 1, 2026 to Mar 31, 2026
CARBON, TOTAL	Archived	Feb 1, 2026 to Feb 28, 2026
CARBON, TOTAL	Archived	Feb 1, 2026 to Feb 28, 2026
Xylenes, Total	Archived	Jan 1, 2026 to Mar 31, 2026
Trichloroethylene	Archived	Jan 1, 2026 to Mar 31, 2026
Surface Water Treatment Rule	Archived	Jan 1, 2026 to Jan 31, 2026
1,1-Dichloroethylene	Archived	Jan 1, 2026 to Mar 31, 2026
1,2-Dichloroethane	Archived	Jan 1, 2026 to Mar 31, 2026
Vinyl chloride	Archived	Jan 1, 2026 to Mar 31, 2026
DICHLOROMETHANE	Archived	Jan 1, 2026 to Mar 31, 2026
1,2-Dichloropropane	Archived	Jan 1, 2026 to Mar 31, 2026
o-Dichlorobenzene	Archived	Jan 1, 2026 to Mar 31, 2026
Tetrachloroethylene	Archived	Jan 1, 2026 to Mar 31, 2026
1,2,4-Trichlorobenzene	Archived	Jan 1, 2026 to Mar 31, 2026
Styrene	Archived	Jan 1, 2026 to Mar 31, 2026
Toluene	Archived	Jan 1, 2026 to Mar 31, 2026
TTHM	Archived	Jan 1, 2026 to Mar 31, 2026
p-Dichlorobenzene	Archived	Jan 1, 2026 to Mar 31, 2026
CHLOROBENZENE	Archived	Jan 1, 2026 to Mar 31, 2026
CARBON, TOTAL	Archived	Jan 1, 2026 to Jan 31, 2026
trans-1,2-Dichloroethylene	Archived	Jan 1, 2026 to Mar 31, 2026
CARBON, TOTAL	Archived	Jan 1, 2026 to Jan 31, 2026
1,1,1-Trichloroethane	Archived	Jan 1, 2026 to Mar 31, 2026
Ethylbenzene	Archived	Jan 1, 2026 to Mar 31, 2026
Benzene	Archived	Jan 1, 2026 to Mar 31, 2026
cis-1,2-Dichloroethylene	Archived	Jan 1, 2026 to Mar 31, 2026
Total Haloacetic Acids (HAA5)	Archived	Jan 1, 2026 to Mar 31, 2026
1,1,2-Trichloroethane	Archived	Jan 1, 2026 to Mar 31, 2026
Carbon tetrachloride	Archived	Jan 1, 2026 to Mar 31, 2026
TTHMHealth-based	Archived	Oct 1, 2025 to Dec 31, 2025
Endothall	Archived	Oct 1, 2025 to Dec 31, 2025
BHC-GAMMA	Archived	Oct 1, 2025 to Dec 31, 2025
Glyphosate	Archived	Oct 1, 2025 to Dec 31, 2025
2,4,5-TP	Archived	Oct 1, 2025 to Dec 31, 2025
Carbofuran	Archived	Oct 1, 2025 to Dec 31, 2025
HEXACHLOROBENZENE	Archived	Oct 1, 2025 to Dec 31, 2025
Diquat	Archived	Oct 1, 2025 to Dec 31, 2025
Heptachlor epoxide	Archived	Oct 1, 2025 to Dec 31, 2025
Consumer Confidence Rule	Unaddressed	Oct 1, 2025
2,3,7,8-TCDD	Archived	Oct 1, 2025 to Dec 31, 2025
OXAMYL	Archived	Oct 1, 2025 to Dec 31, 2025
Di(2-ethylhexyl) adipate	Archived	Oct 1, 2025 to Dec 31, 2025
Pentachlorophenol	Archived	Oct 1, 2025 to Dec 31, 2025
Benzo(a)pyrene	Archived	Oct 1, 2025 to Dec 31, 2025
Heptachlor	Archived	Oct 1, 2025 to Dec 31, 2025
Methoxychlor	Archived	Oct 1, 2025 to Dec 31, 2025
Simazine	Archived	Oct 1, 2025 to Dec 31, 2025
Atrazine	Archived	Oct 1, 2025 to Dec 31, 2025
Surface Water Treatment Rule	Resolved	Oct 1, 2025 to Oct 31, 2025
Hexachlorocyclopentadiene	Archived	Oct 1, 2025 to Dec 31, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Oct 1, 2025 to Dec 31, 2025
Picloram	Archived	Oct 1, 2025 to Dec 31, 2025
Chlordane	Archived	Oct 1, 2025 to Dec 31, 2025
Dinoseb	Archived	Oct 1, 2025 to Dec 31, 2025
2,4-D	Archived	Oct 1, 2025 to Dec 31, 2025
Dalapon	Archived	Oct 1, 2025 to Dec 31, 2025
LASSO	Archived	Oct 1, 2025 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Oct 1, 2025 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Archived	Oct 1, 2025 to Dec 31, 2025
ETHYLENE DIBROMIDE	Archived	Oct 1, 2025 to Dec 31, 2025
Toxaphene	Archived	Oct 1, 2025 to Dec 31, 2025
Endrin	Archived	Oct 1, 2025 to Dec 31, 2025
CARBON, TOTAL	Resolved	Sep 1, 2025 to Sep 30, 2025
CARBON, TOTAL	Resolved	Sep 1, 2025 to Sep 30, 2025
CARBON, TOTAL	Resolved	Aug 1, 2025 to Aug 31, 2025
CARBON, TOTAL	Resolved	Aug 1, 2025 to Aug 31, 2025
TTHM	Resolved	Jul 1, 2025 to Sep 30, 2025
Total Haloacetic Acids (HAA5)	Resolved	Jul 1, 2025 to Sep 30, 2025
CARBON, TOTAL	Resolved	Jul 1, 2025 to Jul 31, 2025
Atrazine	Archived	Jul 1, 2025 to Sep 30, 2025
Endothall	Archived	Jul 1, 2025 to Sep 30, 2025
2,4-D	Archived	Jul 1, 2025 to Sep 30, 2025
Di(2-ethylhexyl) adipate	Archived	Jul 1, 2025 to Sep 30, 2025
OXAMYL	Archived	Jul 1, 2025 to Sep 30, 2025
Dinoseb	Archived	Jul 1, 2025 to Sep 30, 2025
Dalapon	Archived	Jul 1, 2025 to Sep 30, 2025
BHC-GAMMA	Archived	Jul 1, 2025 to Sep 30, 2025
Picloram	Archived	Jul 1, 2025 to Sep 30, 2025
Glyphosate	Archived	Jul 1, 2025 to Sep 30, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Jul 1, 2025 to Sep 30, 2025
Carbofuran	Archived	Jul 1, 2025 to Sep 30, 2025
Heptachlor epoxide	Archived	Jul 1, 2025 to Sep 30, 2025
Di(2-ethylhexyl) phthalate	Archived	Jul 1, 2025 to Sep 30, 2025
2,3,7,8-TCDD	Archived	Jul 1, 2025 to Sep 30, 2025
HEXACHLOROBENZENE	Archived	Jul 1, 2025 to Sep 30, 2025
Toxaphene	Archived	Jul 1, 2025 to Sep 30, 2025
Simazine	Archived	Jul 1, 2025 to Sep 30, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Jul 1, 2025 to Sep 30, 2025
LASSO	Archived	Jul 1, 2025 to Sep 30, 2025
2,4,5-TP	Archived	Jul 1, 2025 to Sep 30, 2025
Endrin	Archived	Jul 1, 2025 to Sep 30, 2025
Hexachlorocyclopentadiene	Archived	Jul 1, 2025 to Sep 30, 2025
Chlordane	Archived	Jul 1, 2025 to Sep 30, 2025
Pentachlorophenol	Archived	Jul 1, 2025 to Sep 30, 2025
CARBON, TOTAL	Resolved	Jul 1, 2025 to Jul 31, 2025
Heptachlor	Archived	Jul 1, 2025 to Sep 30, 2025
ETHYLENE DIBROMIDE	Archived	Jul 1, 2025 to Sep 30, 2025
Benzo(a)pyrene	Archived	Jul 1, 2025 to Sep 30, 2025
Diquat	Archived	Jul 1, 2025 to Sep 30, 2025
Methoxychlor	Archived	Jul 1, 2025 to Sep 30, 2025
CARBON, TOTAL	Resolved	Jun 1, 2025 to Jun 30, 2025
CARBON, TOTAL	Resolved	Jun 1, 2025 to Jun 30, 2025
CARBON, TOTAL	Resolved	May 1, 2025 to May 31, 2025
CARBON, TOTAL	Resolved	May 1, 2025 to May 31, 2025
TTHM	Resolved	Apr 1, 2025 to Jun 30, 2025
Total Haloacetic Acids (HAA5)	Resolved	Apr 1, 2025 to Jun 30, 2025
Dalapon	Archived	Apr 1, 2025 to Jun 30, 2025
Di(2-ethylhexyl) phthalate	Archived	Apr 1, 2025 to Jun 30, 2025
OXAMYL	Archived	Apr 1, 2025 to Jun 30, 2025
Carbofuran	Archived	Apr 1, 2025 to Jun 30, 2025
Dinoseb	Archived	Apr 1, 2025 to Jun 30, 2025
Pentachlorophenol	Archived	Apr 1, 2025 to Jun 30, 2025
Di(2-ethylhexyl) adipate	Archived	Apr 1, 2025 to Jun 30, 2025
LASSO	Archived	Apr 1, 2025 to Jun 30, 2025
2,4-D	Archived	Apr 1, 2025 to Jun 30, 2025
Glyphosate	Archived	Apr 1, 2025 to Jun 30, 2025
2,4,5-TP	Archived	Apr 1, 2025 to Jun 30, 2025
ETHYLENE DIBROMIDE	Archived	Apr 1, 2025 to Jun 30, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Apr 1, 2025 to Jun 30, 2025
Endothall	Archived	Apr 1, 2025 to Jun 30, 2025
CARBON, TOTAL	Resolved	Apr 1, 2025 to Apr 30, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Apr 1, 2025 to Jun 30, 2025
Picloram	Archived	Apr 1, 2025 to Jun 30, 2025
BHC-GAMMA	Archived	Apr 1, 2025 to Jun 30, 2025
2,3,7,8-TCDD	Archived	Apr 1, 2025 to Jun 30, 2025
Methoxychlor	Archived	Apr 1, 2025 to Jun 30, 2025
Heptachlor epoxide	Archived	Apr 1, 2025 to Jun 30, 2025
Diquat	Archived	Apr 1, 2025 to Jun 30, 2025
Chlordane	Archived	Apr 1, 2025 to Jun 30, 2025
Hexachlorocyclopentadiene	Archived	Apr 1, 2025 to Jun 30, 2025
Benzo(a)pyrene	Archived	Apr 1, 2025 to Jun 30, 2025
CARBON, TOTAL	Resolved	Apr 1, 2025 to Apr 30, 2025
Endrin	Archived	Apr 1, 2025 to Jun 30, 2025
Simazine	Archived	Apr 1, 2025 to Jun 30, 2025
HEXACHLOROBENZENE	Archived	Apr 1, 2025 to Jun 30, 2025
Atrazine	Archived	Apr 1, 2025 to Jun 30, 2025
Toxaphene	Archived	Apr 1, 2025 to Jun 30, 2025
Heptachlor	Archived	Apr 1, 2025 to Jun 30, 2025
CARBON, TOTAL	Resolved	Mar 1, 2025 to Mar 31, 2025
CARBON, TOTAL	Resolved	Mar 1, 2025 to Mar 31, 2025
Surface Water Treatment Rule	Resolved	Mar 1, 2025 to Mar 31, 2025
CARBON, TOTAL	Resolved	Feb 1, 2025 to Feb 28, 2025
CARBON, TOTAL	Resolved	Feb 1, 2025 to Feb 28, 2025
CARBON, TOTAL	Resolved	Jan 1, 2025 to Jan 31, 2025
Toxaphene	Archived	Jan 1, 2025 to Mar 31, 2025
ETHYLENE DIBROMIDE	Archived	Jan 1, 2025 to Mar 31, 2025
Endothall	Archived	Jan 1, 2025 to Mar 31, 2025
Heptachlor	Archived	Jan 1, 2025 to Mar 31, 2025
Lead and Copper Rule	Unaddressed	Jan 1, 2025
Pentachlorophenol	Archived	Jan 1, 2025 to Mar 31, 2025
BHC-GAMMA	Archived	Jan 1, 2025 to Mar 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Jan 1, 2025 to Mar 31, 2025
Simazine	Archived	Jan 1, 2025 to Mar 31, 2025
Dalapon	Archived	Jan 1, 2025 to Mar 31, 2025
Methoxychlor	Archived	Jan 1, 2025 to Mar 31, 2025
HEXACHLOROBENZENE	Archived	Jan 1, 2025 to Mar 31, 2025
Picloram	Archived	Jan 1, 2025 to Mar 31, 2025
Diquat	Archived	Jan 1, 2025 to Mar 31, 2025
Benzo(a)pyrene	Archived	Jan 1, 2025 to Mar 31, 2025
CARBON, TOTAL	Resolved	Jan 1, 2025 to Jan 31, 2025
LASSO	Archived	Jan 1, 2025 to Mar 31, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Jan 1, 2025 to Mar 31, 2025
2,4-D	Archived	Jan 1, 2025 to Mar 31, 2025
Di(2-ethylhexyl) adipate	Archived	Jan 1, 2025 to Mar 31, 2025
Dinoseb	Archived	Jan 1, 2025 to Mar 31, 2025
Hexachlorocyclopentadiene	Archived	Jan 1, 2025 to Mar 31, 2025
Heptachlor epoxide	Archived	Jan 1, 2025 to Mar 31, 2025
Chlordane	Archived	Jan 1, 2025 to Mar 31, 2025
Di(2-ethylhexyl) phthalate	Archived	Jan 1, 2025 to Mar 31, 2025
Atrazine	Archived	Jan 1, 2025 to Mar 31, 2025
OXAMYL	Archived	Jan 1, 2025 to Mar 31, 2025
Glyphosate	Archived	Jan 1, 2025 to Mar 31, 2025
Carbofuran	Archived	Jan 1, 2025 to Mar 31, 2025
Endrin	Archived	Jan 1, 2025 to Mar 31, 2025
2,4,5-TP	Archived	Jan 1, 2025 to Mar 31, 2025
2,3,7,8-TCDD	Archived	Jan 1, 2025 to Mar 31, 2025
Interim Enhanced Surface Water Treatment Rule	Resolved	Dec 1, 2024 to Dec 31, 2024
CARBON, TOTAL	Resolved	Dec 1, 2024 to Dec 31, 2024
CARBON, TOTAL	Resolved	Dec 1, 2024 to Dec 31, 2024
Surface Water Treatment Rule	Resolved	Dec 1, 2024 to Dec 31, 2024
CARBON, TOTAL	Resolved	Nov 1, 2024 to Nov 30, 2024
CARBON, TOTAL	Resolved	Nov 1, 2024 to Nov 30, 2024
LEAD AND COPPER RULE REVISIONS	Resolved	Oct 17, 2024 to Dec 17, 2025
LEAD AND COPPER RULE REVISIONSHealth-based	Resolved	Oct 17, 2024 to Dec 17, 2025
TTHM	Resolved	Oct 1, 2024 to Dec 31, 2024
CARBON, TOTAL	Resolved	Oct 1, 2024 to Oct 31, 2024
CARBON, TOTAL	Resolved	Oct 1, 2024 to Oct 31, 2024
Total Haloacetic Acids (HAA5)	Resolved	Oct 1, 2024 to Dec 31, 2024
CARBON, TOTAL	Resolved	Sep 1, 2024 to Sep 30, 2024
Surface Water Treatment Rule	Resolved	Sep 1, 2024 to Sep 30, 2024
CARBON, TOTAL	Resolved	Sep 1, 2024 to Sep 30, 2024
CARBON, TOTAL	Resolved	Aug 1, 2024 to Aug 31, 2024
CARBON, TOTAL	Resolved	Aug 1, 2024 to Aug 31, 2024
TTHM	Resolved	Jul 1, 2024 to Sep 30, 2024
Total Haloacetic Acids (HAA5)	Resolved	Jul 1, 2024 to Sep 30, 2024
CARBON, TOTAL	Resolved	Jul 1, 2024 to Jul 31, 2024
CARBON, TOTAL	Resolved	Jul 1, 2024 to Jul 31, 2024
Surface Water Treatment Rule	Resolved	Jun 1, 2024 to Jun 30, 2024
CARBON, TOTAL	Resolved	May 1, 2024 to May 31, 2024
CARBON, TOTAL	Resolved	May 1, 2024 to May 31, 2024
CARBON, TOTAL	Resolved	Apr 1, 2024 to Apr 30, 2024
CARBON, TOTAL	Resolved	Apr 1, 2024 to Apr 30, 2024
TTHM	Unaddressed	Jan 23, 2024
Surface Water Treatment Rule	Resolved	Jan 1, 2024 to Jan 31, 2024
Total Haloacetic Acids (HAA5)	Resolved	Jan 1, 2024 to Mar 31, 2024
CARBON, TOTAL	Resolved	Jan 1, 2024 to Mar 31, 2024
1,2,4-Trichlorobenzene	Resolved	Jan 1, 2024 to Dec 31, 2024
cis-1,2-Dichloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
1,1-Dichloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
Xylenes, Total	Resolved	Jan 1, 2024 to Dec 31, 2024
DICHLOROMETHANE	Resolved	Jan 1, 2024 to Dec 31, 2024
p-Dichlorobenzene	Resolved	Jan 1, 2024 to Dec 31, 2024
1,2-Dichloropropane	Resolved	Jan 1, 2024 to Dec 31, 2024
1,1,2-Trichloroethane	Resolved	Jan 1, 2024 to Dec 31, 2024
CHLOROBENZENE	Resolved	Jan 1, 2024 to Dec 31, 2024
Benzene	Resolved	Jan 1, 2024 to Dec 31, 2024
Toluene	Resolved	Jan 1, 2024 to Dec 31, 2024
Ethylbenzene	Resolved	Jan 1, 2024 to Dec 31, 2024
trans-1,2-Dichloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
Styrene	Resolved	Jan 1, 2024 to Dec 31, 2024
Vinyl chloride	Resolved	Jan 1, 2024 to Dec 31, 2024
TTHM	Resolved	Jan 1, 2024 to Mar 31, 2024
Tetrachloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
Trichloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
1,1,1-Trichloroethane	Resolved	Jan 1, 2024 to Dec 31, 2024
Carbon tetrachloride	Resolved	Jan 1, 2024 to Dec 31, 2024
1,2-Dichloroethane	Resolved	Jan 1, 2024 to Dec 31, 2024
o-Dichlorobenzene	Resolved	Jan 1, 2024 to Dec 31, 2024
TTHM	Unaddressed	Dec 30, 2023
Surface Water Treatment Rule	Resolved	Nov 1, 2023 to Nov 30, 2023
Consumer Confidence Rule	Resolved	Oct 1, 2023 to Oct 17, 2023
CARBON, TOTAL	Resolved	Oct 1, 2023 to Dec 13, 2023
CARBON, TOTAL	Resolved	Oct 1, 2023 to Dec 13, 2023
CARBON, TOTALHealth-based	Resolved	Jul 1, 2023 to Sep 30, 2023
TTHMHealth-based	Resolved	Jul 1, 2023 to Sep 30, 2023
Revised Total Coliform RuleHealth-based	Resolved	Jun 24, 2023 to Jul 31, 2024
TTHMHealth-based	Resolved	Apr 1, 2023 to Jun 30, 2023
CARBON, TOTALHealth-based	Resolved	Apr 1, 2023 to Jun 30, 2023
Surface Water Treatment Rule	Resolved	Feb 1, 2023 to Feb 28, 2023
Surface Water Treatment Rule	Resolved	Jan 1, 2023 to Jan 31, 2023
CARBON, TOTAL	Resolved	Jan 1, 2023 to Mar 31, 2023
CARBON, TOTAL	Resolved	Jan 1, 2023 to Mar 31, 2023
CARBON, TOTAL	Resolved	Jan 1, 2023 to Mar 31, 2023
CARBON, TOTAL	Resolved	Jan 1, 2023 to Mar 31, 2023
CARBON, TOTALHealth-based	Resolved	Jan 1, 2023 to Mar 31, 2023
TTHM	Resolved	Jan 1, 2023 to Mar 31, 2023
CARBON, TOTAL	Resolved	Jan 1, 2023 to Mar 31, 2023
CARBON, TOTAL	Resolved	Jan 1, 2023 to Mar 31, 2023
Surface Water Treatment Rule	Resolved	Dec 1, 2022 to Dec 31, 2022
CARBON, TOTALHealth-based	Resolved	Oct 1, 2022 to Dec 31, 2022
Consumer Confidence Rule	Resolved	Oct 1, 2022 to Oct 17, 2023
CARBON, TOTAL	Resolved	Jul 1, 2022 to Sep 30, 2022
Surface Water Treatment Rule	Resolved	Jul 1, 2022 to Jul 31, 2022
TTHM	Unaddressed	Apr 1, 2022
Public Notice	Resolved	Apr 1, 2022 to Sep 6, 2022
Public Notice	Resolved	Apr 1, 2022 to Sep 6, 2022
Surface Water Treatment Rule	Resolved	Mar 1, 2022 to Mar 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Mar 1, 2022 to Mar 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Jan 1, 2022 to Jan 31, 2022
Surface Water Treatment Rule	Resolved	Jan 1, 2022 to Jan 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Nov 1, 2021 to Nov 30, 2021
Surface Water Treatment Rule	Resolved	Nov 1, 2021 to Nov 30, 2021
TTHMHealth-based	Resolved	Oct 1, 2021 to Dec 31, 2021
Total Haloacetic Acids (HAA5)	Resolved	Sep 1, 2021 to Nov 30, 2021
Surface Water Treatment Rule	Resolved	Sep 1, 2021 to Sep 30, 2021
Public Notice	Resolved	Aug 4, 2021 to Aug 9, 2021
Surface Water Treatment Rule	Resolved	Aug 1, 2021 to Aug 31, 2021
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Jul 13, 2021
CARBON, TOTALHealth-based	Resolved	Jul 1, 2021 to Sep 30, 2021
CARBON, TOTAL	Resolved	Jul 1, 2021 to Aug 10, 2021
TTHMHealth-based	Resolved	Jul 1, 2021 to Sep 30, 2021
TTHMHealth-based	Resolved	Apr 1, 2021 to Jun 30, 2021
CARBON, TOTAL	Resolved	Apr 1, 2021 to Jun 30, 2021
CARBON, TOTALHealth-based	Resolved	Apr 1, 2021 to Jun 30, 2021
Public Notice	Resolved	Mar 25, 2021 to Sep 6, 2022
CARBON, TOTALHealth-based	Resolved	Jan 1, 2021 to Mar 31, 2021
cis-1,2-Dichloroethylene	Resolved	Jan 1, 2021 to Dec 31, 2021
Xylenes, Total	Resolved	Jan 1, 2021 to Dec 31, 2021
o-Dichlorobenzene	Resolved	Jan 1, 2021 to Dec 31, 2021
Vinyl chloride	Resolved	Jan 1, 2021 to Dec 31, 2021
1,1-Dichloroethylene	Resolved	Jan 1, 2021 to Dec 31, 2021
1,1,1-Trichloroethane	Resolved	Jan 1, 2021 to Dec 31, 2021
Carbon tetrachloride	Resolved	Jan 1, 2021 to Dec 31, 2021
Trichloroethylene	Resolved	Jan 1, 2021 to Dec 31, 2021
1,1,2-Trichloroethane	Resolved	Jan 1, 2021 to Dec 31, 2021
CHLOROBENZENE	Resolved	Jan 1, 2021 to Dec 31, 2021
Benzene	Resolved	Jan 1, 2021 to Dec 31, 2021
Toluene	Resolved	Jan 1, 2021 to Dec 31, 2021
Ethylbenzene	Resolved	Jan 1, 2021 to Dec 31, 2021
DICHLOROMETHANE	Resolved	Jan 1, 2021 to Dec 31, 2021
Tetrachloroethylene	Resolved	Jan 1, 2021 to Dec 31, 2021
p-Dichlorobenzene	Resolved	Jan 1, 2021 to Dec 31, 2021
trans-1,2-Dichloroethylene	Resolved	Jan 1, 2021 to Dec 31, 2021
1,2-Dichloropropane	Resolved	Jan 1, 2021 to Dec 31, 2021
CARBON, TOTAL	Resolved	Jan 1, 2021 to Mar 30, 2021
1,2,4-Trichlorobenzene	Resolved	Jan 1, 2021 to Dec 31, 2021
1,2-Dichloroethane	Resolved	Jan 1, 2021 to Dec 31, 2021
Styrene	Resolved	Jan 1, 2021 to Dec 31, 2021

City summary

What the indexed records say

Emmonak has 1 published ZIP profile across Kusilvak Census Area. No qualifying nearby hardness observation is available for the city.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

0 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: — miles
Profiles with evidence: 0/1

Confidence labels

High: 0Moderate: 0Low: 0

Observation window: unavailable to unavailable.

ZIP directory

Water reports in Emmonak

Open a ZIP for site-level provenance and measurements.

ZIP code

99581

No estimate

—

Nearest site: — mi
Confidence: —

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

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Questions people ask

About water in Emmonak

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.