City water profile

Water hardness in Marshall

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

Utility-reported hardness

Not yet available

Check your provider and source →

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.

Find an official utility report →

Convert a hardness result →Test your tap →

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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.

Marshall Water System

AK2270273 · Groundwater · 308 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 (1)

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: 0.0025 mg/L
Action level: 0.015 mg/L

17% of the listed benchmark

Monitoring period: Jan 1, 2018 to Dec 31, 2020

Violation history (148)

Imported violation history for Marshall Water System
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Dec 1, 2025 to Dec 31, 2025
Chlorine	Resolved	Dec 1, 2025 to Dec 31, 2025
Carbofuran	Archived	Oct 1, 2025 to Dec 31, 2025
HEXACHLOROBENZENE	Archived	Oct 1, 2025 to Dec 31, 2025
BHC-GAMMA	Archived	Oct 1, 2025 to Dec 31, 2025
Heptachlor	Archived	Oct 1, 2025 to Dec 31, 2025
OXAMYL	Archived	Oct 1, 2025 to Dec 31, 2025
Endrin	Archived	Oct 1, 2025 to Dec 31, 2025
Dalapon	Archived	Oct 1, 2025 to Dec 31, 2025
Methoxychlor	Archived	Oct 1, 2025 to Dec 31, 2025
2,4,5-TP	Archived	Oct 1, 2025 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Archived	Oct 1, 2025 to Dec 31, 2025
Atrazine	Archived	Oct 1, 2025 to Dec 31, 2025
Glyphosate	Archived	Oct 1, 2025 to Dec 31, 2025
Diquat	Archived	Oct 1, 2025 to Dec 31, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Oct 1, 2025 to Dec 31, 2025
LASSO	Archived	Oct 1, 2025 to Dec 31, 2025
Chlordane	Archived	Oct 1, 2025 to Dec 31, 2025
Benzo(a)pyrene	Archived	Oct 1, 2025 to Dec 31, 2025
Hexachlorocyclopentadiene	Archived	Oct 1, 2025 to Dec 31, 2025
Di(2-ethylhexyl) adipate	Archived	Oct 1, 2025 to Dec 31, 2025
Simazine	Archived	Oct 1, 2025 to Dec 31, 2025
Endothall	Archived	Oct 1, 2025 to Dec 31, 2025
Heptachlor epoxide	Archived	Oct 1, 2025 to Dec 31, 2025
Dinoseb	Archived	Oct 1, 2025 to Dec 31, 2025
2,3,7,8-TCDD	Archived	Oct 1, 2025 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Oct 1, 2025 to Dec 31, 2025
Toxaphene	Archived	Oct 1, 2025 to Dec 31, 2025
Pentachlorophenol	Archived	Oct 1, 2025 to Dec 31, 2025
ETHYLENE DIBROMIDE	Archived	Oct 1, 2025 to Dec 31, 2025
Picloram	Archived	Oct 1, 2025 to Dec 31, 2025
2,4-D	Archived	Oct 1, 2025 to Dec 31, 2025
Chlorine	Resolved	Aug 1, 2025 to Aug 31, 2025
Revised Total Coliform Rule	Resolved	Jul 1, 2025 to Jul 31, 2025
Chlorine	Resolved	Jul 1, 2025 to Jul 31, 2025
Endrin	Archived	Jul 1, 2025 to Sep 30, 2025
Simazine	Archived	Jul 1, 2025 to Sep 30, 2025
Glyphosate	Archived	Jul 1, 2025 to Sep 30, 2025
HEXACHLOROBENZENE	Archived	Jul 1, 2025 to Sep 30, 2025
Hexachlorocyclopentadiene	Archived	Jul 1, 2025 to Sep 30, 2025
OXAMYL	Archived	Jul 1, 2025 to Sep 30, 2025
LASSO	Archived	Jul 1, 2025 to Sep 30, 2025
ETHYLENE DIBROMIDE	Archived	Jul 1, 2025 to Sep 30, 2025
Chlordane	Archived	Jul 1, 2025 to Sep 30, 2025
2,4,5-TP	Archived	Jul 1, 2025 to Sep 30, 2025
Picloram	Archived	Jul 1, 2025 to Sep 30, 2025
2,3,7,8-TCDD	Archived	Jul 1, 2025 to Sep 30, 2025
Diquat	Archived	Jul 1, 2025 to Sep 30, 2025
Di(2-ethylhexyl) phthalate	Archived	Jul 1, 2025 to Sep 30, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Jul 1, 2025 to Sep 30, 2025
Methoxychlor	Archived	Jul 1, 2025 to Sep 30, 2025
Dinoseb	Archived	Jul 1, 2025 to Sep 30, 2025
Heptachlor	Archived	Jul 1, 2025 to Sep 30, 2025
Dalapon	Archived	Jul 1, 2025 to Sep 30, 2025
Endothall	Archived	Jul 1, 2025 to Sep 30, 2025
Benzo(a)pyrene	Archived	Jul 1, 2025 to Sep 30, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Jul 1, 2025 to Sep 30, 2025
BHC-GAMMA	Archived	Jul 1, 2025 to Sep 30, 2025
Carbofuran	Archived	Jul 1, 2025 to Sep 30, 2025
Di(2-ethylhexyl) adipate	Archived	Jul 1, 2025 to Sep 30, 2025
2,4-D	Archived	Jul 1, 2025 to Sep 30, 2025
Heptachlor epoxide	Archived	Jul 1, 2025 to Sep 30, 2025
Toxaphene	Archived	Jul 1, 2025 to Sep 30, 2025
Atrazine	Archived	Jul 1, 2025 to Sep 30, 2025
Pentachlorophenol	Archived	Jul 1, 2025 to Sep 30, 2025
Endothall	Archived	Apr 1, 2025 to Jun 30, 2025
Glyphosate	Archived	Apr 1, 2025 to Jun 30, 2025
Carbofuran	Archived	Apr 1, 2025 to Jun 30, 2025
Heptachlor epoxide	Archived	Apr 1, 2025 to Jun 30, 2025
Dalapon	Archived	Apr 1, 2025 to Jun 30, 2025
HEXACHLOROBENZENE	Archived	Apr 1, 2025 to Jun 30, 2025
Simazine	Archived	Apr 1, 2025 to Jun 30, 2025
Dinoseb	Archived	Apr 1, 2025 to Jun 30, 2025
Toxaphene	Archived	Apr 1, 2025 to Jun 30, 2025
Endrin	Archived	Apr 1, 2025 to Jun 30, 2025
Pentachlorophenol	Archived	Apr 1, 2025 to Jun 30, 2025
Heptachlor	Archived	Apr 1, 2025 to Jun 30, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Apr 1, 2025 to Jun 30, 2025
Benzo(a)pyrene	Archived	Apr 1, 2025 to Jun 30, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Apr 1, 2025 to Jun 30, 2025
LASSO	Archived	Apr 1, 2025 to Jun 30, 2025
OXAMYL	Archived	Apr 1, 2025 to Jun 30, 2025
ETHYLENE DIBROMIDE	Archived	Apr 1, 2025 to Jun 30, 2025
Atrazine	Archived	Apr 1, 2025 to Jun 30, 2025
Di(2-ethylhexyl) adipate	Archived	Apr 1, 2025 to Jun 30, 2025
Methoxychlor	Archived	Apr 1, 2025 to Jun 30, 2025
Di(2-ethylhexyl) phthalate	Archived	Apr 1, 2025 to Jun 30, 2025
Picloram	Archived	Apr 1, 2025 to Jun 30, 2025
2,3,7,8-TCDD	Archived	Apr 1, 2025 to Jun 30, 2025
2,4,5-TP	Archived	Apr 1, 2025 to Jun 30, 2025
Diquat	Archived	Apr 1, 2025 to Jun 30, 2025
BHC-GAMMA	Archived	Apr 1, 2025 to Jun 30, 2025
Chlordane	Archived	Apr 1, 2025 to Jun 30, 2025
2,4-D	Archived	Apr 1, 2025 to Jun 30, 2025
Hexachlorocyclopentadiene	Archived	Apr 1, 2025 to Jun 30, 2025
Heptachlor epoxide	Archived	Jan 1, 2025 to Mar 31, 2025
Dalapon	Archived	Jan 1, 2025 to Mar 31, 2025
Di(2-ethylhexyl) adipate	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
Diquat	Archived	Jan 1, 2025 to Mar 31, 2025
Endothall	Archived	Jan 1, 2025 to Mar 31, 2025
BHC-GAMMA	Archived	Jan 1, 2025 to Mar 31, 2025
Atrazine	Archived	Jan 1, 2025 to Mar 31, 2025
Dinoseb	Archived	Jan 1, 2025 to Mar 31, 2025
Simazine	Archived	Jan 1, 2025 to Mar 31, 2025
ETHYLENE DIBROMIDE	Archived	Jan 1, 2025 to Mar 31, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Jan 1, 2025 to Mar 31, 2025
Methoxychlor	Archived	Jan 1, 2025 to Mar 31, 2025
2,3,7,8-TCDD	Archived	Jan 1, 2025 to Mar 31, 2025
Glyphosate	Archived	Jan 1, 2025 to Mar 31, 2025
Picloram	Archived	Jan 1, 2025 to Mar 31, 2025
Di(2-ethylhexyl) phthalate	Archived	Jan 1, 2025 to Mar 31, 2025
2,4,5-TP	Archived	Jan 1, 2025 to Mar 31, 2025
Benzo(a)pyrene	Archived	Jan 1, 2025 to Mar 31, 2025
OXAMYL	Archived	Jan 1, 2025 to Mar 31, 2025
2,4-D	Archived	Jan 1, 2025 to Mar 31, 2025
Chlordane	Archived	Jan 1, 2025 to Mar 31, 2025
Hexachlorocyclopentadiene	Archived	Jan 1, 2025 to Mar 31, 2025
Heptachlor	Archived	Jan 1, 2025 to Mar 31, 2025
Toxaphene	Archived	Jan 1, 2025 to Mar 31, 2025
LASSO	Archived	Jan 1, 2025 to Mar 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Jan 1, 2025 to Mar 31, 2025
Pentachlorophenol	Archived	Jan 1, 2025 to Mar 31, 2025
HEXACHLOROBENZENE	Archived	Jan 1, 2025 to Mar 31, 2025
Groundwater RuleHealth-based	Resolved	Dec 10, 2024 to Feb 26, 2026
Groundwater RuleHealth-based	Resolved	Dec 10, 2024 to Feb 26, 2026
Consumer Confidence Rule	Resolved	Oct 1, 2024 to Sep 12, 2025
Revised Total Coliform Rule	Resolved	Mar 1, 2024 to Mar 31, 2024
Revised Total Coliform Rule	Resolved	Feb 1, 2024 to Feb 29, 2024
Chlorine	Resolved	Jan 1, 2024 to Mar 31, 2024
Lead and Copper Rule	Resolved	Jan 1, 2024 to Nov 6, 2025
Consumer Confidence Rule	Resolved	Oct 1, 2023 to Oct 27, 2023
Revised Total Coliform Rule	Resolved	Feb 1, 2023 to Feb 28, 2023
Chlorine	Resolved	Jan 1, 2023 to Mar 6, 2023
Nitrate	Resolved	Jan 1, 2023 to Dec 31, 2023
Consumer Confidence Rule	Resolved	Oct 1, 2022 to Oct 27, 2023
Chlorine	Resolved	Oct 1, 2022 to Nov 14, 2022
Revised Total Coliform Rule	Resolved	Oct 1, 2022 to Oct 31, 2022
Revised Total Coliform Rule	Resolved	Mar 1, 2022 to Mar 31, 2022
Chlorine	Resolved	Jan 1, 2022 to Mar 31, 2022
Nitrate	Resolved	Jan 1, 2022 to Dec 31, 2022
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Sep 30, 2021
Nitrate	Resolved	Jan 1, 2021 to Dec 31, 2021
TTHM	Resolved	Jan 1, 2021 to Dec 31, 2023
Total Haloacetic Acids (HAA5)	Resolved	Jan 1, 2021 to Dec 31, 2023
Chlorine	Resolved	Jan 1, 2021 to Feb 4, 2021
Revised Total Coliform Rule	Resolved	Jan 1, 2021 to Jan 31, 2021

City summary

What the indexed records say

Marshall 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 Marshall

Open a ZIP for site-level provenance and measurements.

ZIP code

99585

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

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Questions people ask

About water in Marshall

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.