City water profile

Water hardness in Hydaburg

Find official utility reports, understand hardness, and check the water system serving your home in Hydaburg, 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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Convert a hardness result →Test your tap →

Match the name on your water bill

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.

Hydaburg

AK2120224 · Surface water · 415 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: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

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

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 2.88 mg/L
Action level: 1.3 mg/L

222% of the listed benchmark

Monitoring period: Jul 2, 1996 to Jan 1, 1997

Total Haloacetic Acids (HAA5)

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.106 MG/L
Maximum contaminant level: 0.06 MG/L

177% of the listed benchmark

Monitoring period: Jan 1, 2026 to Mar 31, 2026

Violation history (119)

Imported violation history for Hydaburg
Rule	Status	Period
Chlorine	Archived	Mar 1, 2026 to Mar 31, 2026
Surface Water Treatment Rule	Archived	Mar 1, 2026 to Mar 31, 2026
Revised Total Coliform Rule	Archived	Mar 1, 2026 to Mar 31, 2026
Total Haloacetic Acids (HAA5)Health-based	Archived	Jan 1, 2026 to Mar 31, 2026
Lead and Copper Rule	Unaddressed	Jan 1, 2026
Revised Total Coliform Rule	Resolved	Dec 1, 2025 to Dec 31, 2025
Chlorine	Resolved	Dec 1, 2025 to Dec 31, 2025
Surface Water Treatment Rule	Resolved	Dec 1, 2025 to Dec 31, 2025
Total Haloacetic Acids (HAA5)Health-based	Archived	Oct 1, 2025 to Dec 31, 2025
TTHM	Resolved	Oct 1, 2025 to Dec 31, 2025
Total Haloacetic Acids (HAA5)	Resolved	Oct 1, 2025 to Dec 31, 2025
Revised Total Coliform Rule	Resolved	Sep 1, 2025 to Sep 30, 2025
Chlorine	Resolved	Sep 1, 2025 to Sep 30, 2025
Surface Water Treatment Rule	Resolved	Sep 1, 2025 to Sep 30, 2025
Total Haloacetic Acids (HAA5)Health-based	Archived	Jul 1, 2025 to Sep 30, 2025
Lead and Copper Rule	Unaddressed	Jul 1, 2025
TTHM	Resolved	Jul 1, 2025 to Sep 30, 2025
TTHM	Resolved	Apr 1, 2025 to Jun 30, 2025
Surface Water Treatment Rule	Resolved	Feb 1, 2025 to Feb 28, 2025
Interim Enhanced Surface Water Treatment Rule	Resolved	Feb 1, 2025 to Feb 28, 2025
Surface Water Treatment Rule	Resolved	Jan 1, 2025 to Jan 31, 2025
Lead and Copper Rule	Unaddressed	Jan 1, 2025
Interim Enhanced Surface Water Treatment Rule	Resolved	Jan 1, 2025 to Jan 31, 2025
Revised Total Coliform Rule	Resolved	Oct 1, 2024 to Oct 31, 2024
Chlorine	Resolved	Oct 1, 2024 to Oct 31, 2024
Surface Water Treatment Rule	Resolved	Sep 1, 2024 to Sep 30, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	Sep 1, 2024 to Sep 30, 2024
Revised Total Coliform Rule	Resolved	Sep 1, 2024 to Sep 30, 2024
Surface Water Treatment Rule	Resolved	Aug 1, 2024 to Aug 31, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	Aug 1, 2024 to Aug 31, 2024
Total Haloacetic Acids (HAA5)	Resolved	Jul 1, 2024 to Sep 30, 2024
TTHM	Resolved	Jul 1, 2024 to Sep 30, 2024
Lead and Copper Rule	Unaddressed	Jul 1, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	Jun 1, 2024 to Jun 30, 2024
Surface Water Treatment Rule	Resolved	Jun 1, 2024 to Jun 30, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	May 1, 2024 to May 31, 2024
Surface Water Treatment Rule	Resolved	May 1, 2024 to May 31, 2024
Surface Water Treatment Rule	Resolved	Apr 1, 2024 to Apr 30, 2024
Total Haloacetic Acids (HAA5)	Resolved	Apr 1, 2024 to Jun 30, 2024
TTHM	Resolved	Apr 1, 2024 to Jun 30, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	Apr 1, 2024 to Apr 30, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	Feb 1, 2024 to Feb 29, 2024
Surface Water Treatment Rule	Resolved	Feb 1, 2024 to Feb 29, 2024
Xylenes, Total	Resolved	Jan 1, 2024 to Dec 31, 2024
DICHLOROMETHANE	Resolved	Jan 1, 2024 to Dec 31, 2024
1,1-Dichloroethylene	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
CHLOROBENZENE	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
Vinyl chloride	Resolved	Jan 1, 2024 to Dec 31, 2024
1,1,2-Trichloroethane	Resolved	Jan 1, 2024 to Dec 31, 2024
1,2-Dichloroethane	Resolved	Jan 1, 2024 to Dec 31, 2024
trans-1,2-Dichloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
Benzene	Resolved	Jan 1, 2024 to Dec 31, 2024
cis-1,2-Dichloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
Nitrate	Resolved	Jan 1, 2024 to Dec 31, 2024
Trichloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
Tetrachloroethylene	Resolved	Jan 1, 2024 to Dec 31, 2024
1,2,4-Trichlorobenzene	Resolved	Jan 1, 2024 to Dec 31, 2024
1,2-Dichloropropane	Resolved	Jan 1, 2024 to Dec 31, 2024
p-Dichlorobenzene	Resolved	Jan 1, 2024 to Dec 31, 2024
Styrene	Resolved	Jan 1, 2024 to Dec 31, 2024
o-Dichlorobenzene	Resolved	Jan 1, 2024 to Dec 31, 2024
Lead and Copper Rule	Unaddressed	Jan 1, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	Dec 1, 2023 to Dec 31, 2023
Surface Water Treatment Rule	Resolved	Dec 1, 2023 to Dec 31, 2023
Total Haloacetic Acids (HAA5)Health-based	Resolved	Oct 1, 2023 to Dec 31, 2023
Total Haloacetic Acids (HAA5)	Resolved	Jul 1, 2023 to Sep 30, 2023
Surface Water Treatment Rule	Resolved	Jun 1, 2023 to Jun 30, 2023
Revised Total Coliform Rule	Resolved	Jun 1, 2023 to Jun 30, 2023
Revised Total Coliform Rule	Resolved	May 1, 2023 to May 31, 2023
Chlorine	Resolved	Apr 1, 2023 to Jun 30, 2023
Surface Water Treatment Rule	Resolved	Feb 1, 2023 to Feb 28, 2023
Lead and Copper Rule	Resolved	Jan 1, 2023 to Dec 23, 2023
Chlorine	Resolved	Jan 1, 2023 to Mar 31, 2023
Revised Total Coliform Rule	Resolved	Dec 1, 2022 to Dec 31, 2022
Revised Total Coliform Rule	Resolved	Oct 1, 2022 to Oct 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Oct 1, 2022 to Oct 31, 2022
Chlorine	Resolved	Oct 1, 2022 to Dec 31, 2022
Surface Water Treatment Rule	Resolved	Oct 1, 2022 to Oct 31, 2022
Surface Water Treatment Rule	Resolved	Sep 1, 2022 to Sep 30, 2022
TTHM	Resolved	Sep 1, 2022 to Nov 30, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Sep 1, 2022 to Sep 30, 2022
Revised Total Coliform Rule	Resolved	Aug 1, 2022 to Aug 31, 2022
Surface Water Treatment Rule	Resolved	Aug 1, 2022 to Aug 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Aug 1, 2022 to Aug 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Jul 1, 2022 to Jul 31, 2022
Surface Water Treatment Rule	Resolved	Jul 1, 2022 to Jul 31, 2022
Total Haloacetic Acids (HAA5)Health-based	Resolved	Jul 1, 2022 to Sep 30, 2022
Chlorine	Resolved	Jul 1, 2022 to Sep 30, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Total Haloacetic Acids (HAA5)	Resolved	Jun 1, 2022 to Aug 31, 2022
Surface Water Treatment Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
TTHM	Resolved	Jun 1, 2022 to Aug 31, 2022
Surface Water Treatment Rule	Resolved	Apr 1, 2022 to Apr 30, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Apr 1, 2022 to Apr 30, 2022
Total Haloacetic Acids (HAA5)	Resolved	Mar 1, 2022 to May 31, 2022
Revised Total Coliform Rule	Resolved	Mar 1, 2022 to Mar 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Feb 1, 2022 to Feb 28, 2022
Surface Water Treatment Rule	Resolved	Feb 1, 2022 to Feb 28, 2022
Lead and Copper Rule	Resolved	Jan 1, 2022 to Dec 15, 2022
Total Haloacetic Acids (HAA5)Health-based	Resolved	Jan 1, 2022 to Mar 31, 2022
Chlorine	Resolved	Jan 1, 2022 to Mar 31, 2022
Revised Total Coliform Rule	Resolved	Dec 1, 2021 to Dec 31, 2021
Consumer Confidence Rule	Resolved	Oct 1, 2021 to Jul 12, 2022
Total Haloacetic Acids (HAA5)Health-based	Resolved	Oct 1, 2021 to Dec 31, 2021
Interim Enhanced Surface Water Treatment Rule	Resolved	Sep 1, 2021 to Sep 30, 2021
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Jun 30, 2022
Chlorine	Resolved	Jul 1, 2021 to Sep 30, 2021
TTHM	Resolved	Jun 1, 2021 to Aug 31, 2021
Total Haloacetic Acids (HAA5)	Resolved	Jun 1, 2021 to Aug 31, 2021
Total Haloacetic Acids (HAA5)	Resolved	Mar 1, 2021 to May 31, 2021
Revised Total Coliform Rule	Resolved	Feb 1, 2021 to Feb 28, 2021
Interim Enhanced Surface Water Treatment Rule	Resolved	Jan 1, 2021 to Jan 31, 2021
Nitrate	Resolved	Jan 1, 2021 to Dec 31, 2021
Total Haloacetic Acids (HAA5)Health-based	Resolved	Jan 1, 2021 to Mar 31, 2021
Surface Water Treatment Rule	Resolved	Jan 1, 2021 to Jan 31, 2021

City summary

What the indexed records say

Hydaburg has 1 published ZIP profile across Prince Of Wales-Hyder 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 Hydaburg

Open a ZIP for site-level provenance and measurements.

ZIP code

99922

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.

Continue comparing