City water profile

Water hardness in Baker

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

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 3
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 →

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.

Baker City Of

MT0000021 · Groundwater · 1,858 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: 0.003 mg/L
Action level: 0.015 mg/L

20% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (77)

Imported violation history for Baker City Of
Rule	Status	Period
Consumer Confidence Rule	Resolved	Oct 1, 2025 to Oct 6, 2025
Revised Total Coliform Rule	Resolved	Jul 1, 2025 to Jul 31, 2025
Lead and Copper Rule	Resolved	Dec 30, 2024 to Feb 4, 2025
Endrin	Resolved	Jul 1, 2022 to Sep 30, 2022
Toxaphene	Resolved	Jul 1, 2022 to Sep 30, 2022
Dalapon	Resolved	Jul 1, 2022 to Sep 30, 2022
OXAMYL	Resolved	Jul 1, 2022 to Sep 30, 2022
Simazine	Resolved	Jul 1, 2022 to Sep 30, 2022
Di(2-ethylhexyl) phthalate	Resolved	Jul 1, 2022 to Sep 30, 2022
Dinoseb	Resolved	Jul 1, 2022 to Sep 30, 2022
Hexachlorocyclopentadiene	Resolved	Jul 1, 2022 to Sep 30, 2022
LASSO	Resolved	Jul 1, 2022 to Sep 30, 2022
Heptachlor epoxide	Resolved	Jul 1, 2022 to Sep 30, 2022
2,4-D	Resolved	Jul 1, 2022 to Sep 30, 2022
HEXACHLOROBENZENE	Resolved	Jul 1, 2022 to Sep 30, 2022
Chlordane	Resolved	Jul 1, 2022 to Sep 30, 2022
Heptachlor	Resolved	Jul 1, 2022 to Sep 30, 2022
Di(2-ethylhexyl) adipate	Resolved	Jul 1, 2022 to Sep 30, 2022
Pentachlorophenol	Resolved	Jul 1, 2022 to Sep 30, 2022
BHC-GAMMA	Resolved	Jul 1, 2022 to Sep 30, 2022
2,4,5-TP	Resolved	Jul 1, 2022 to Sep 30, 2022
Atrazine	Resolved	Jul 1, 2022 to Sep 30, 2022
Methoxychlor	Resolved	Jul 1, 2022 to Sep 30, 2022
Benzo(a)pyrene	Resolved	Jul 1, 2022 to Sep 30, 2022
Picloram	Resolved	Jul 1, 2022 to Sep 30, 2022
Carbofuran	Resolved	Jul 1, 2022 to Sep 30, 2022
Endrin	Resolved	Jan 1, 2022 to Jan 24, 2022
Toxaphene	Resolved	Jan 1, 2022 to Jan 24, 2022
Dalapon	Resolved	Jan 1, 2022 to Jan 24, 2022
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2022 to Jan 24, 2022
OXAMYL	Resolved	Jan 1, 2022 to Jan 24, 2022
Dinoseb	Resolved	Jan 1, 2022 to Jan 24, 2022
Hexachlorocyclopentadiene	Resolved	Jan 1, 2022 to Jan 24, 2022
Carbofuran	Resolved	Jan 1, 2022 to Jan 24, 2022
Atrazine	Resolved	Jan 1, 2022 to Jan 24, 2022
HEXACHLOROBENZENE	Resolved	Jan 1, 2022 to Jan 24, 2022
Chlordane	Resolved	Jan 1, 2022 to Jan 24, 2022
Gross Alpha, Excl. Radon and U	Resolved	Jan 1, 2022 to Mar 31, 2022
Combined Radium (-226 and -228)	Resolved	Jan 1, 2022 to Mar 31, 2022
Picloram	Resolved	Jan 1, 2022 to Jan 24, 2022
Heptachlor epoxide	Resolved	Jan 1, 2022 to Jan 24, 2022
Benzo(a)pyrene	Resolved	Jan 1, 2022 to Jan 24, 2022
Simazine	Resolved	Jan 1, 2022 to Jan 24, 2022
2,4-D	Resolved	Jan 1, 2022 to Jan 24, 2022
2,4,5-TP	Resolved	Jan 1, 2022 to Jan 24, 2022
BHC-GAMMA	Resolved	Jan 1, 2022 to Jan 24, 2022
Methoxychlor	Resolved	Jan 1, 2022 to Jan 24, 2022
Heptachlor	Resolved	Jan 1, 2022 to Jan 24, 2022
LASSO	Resolved	Jan 1, 2022 to Jan 24, 2022
Pentachlorophenol	Resolved	Jan 1, 2022 to Jan 24, 2022
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2022 to Jan 24, 2022
TTHM	Resolved	Oct 31, 2021 to Aug 31, 2022
Total Haloacetic Acids (HAA5)	Resolved	Oct 31, 2021 to Aug 31, 2022
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Jul 27, 2021
Endrin	Resolved	Jul 1, 2021 to Sep 30, 2021
Toxaphene	Resolved	Jul 1, 2021 to Sep 30, 2021
Di(2-ethylhexyl) adipate	Resolved	Jul 1, 2021 to Sep 30, 2021
Di(2-ethylhexyl) phthalate	Resolved	Jul 1, 2021 to Sep 30, 2021
Picloram	Resolved	Jul 1, 2021 to Sep 30, 2021
Dinoseb	Resolved	Jul 1, 2021 to Sep 30, 2021
Hexachlorocyclopentadiene	Resolved	Jul 1, 2021 to Sep 30, 2021
Carbofuran	Resolved	Jul 1, 2021 to Sep 30, 2021
Heptachlor	Resolved	Jul 1, 2021 to Sep 30, 2021
LASSO	Resolved	Jul 1, 2021 to Sep 30, 2021
Heptachlor epoxide	Resolved	Jul 1, 2021 to Sep 30, 2021
2,4-D	Resolved	Jul 1, 2021 to Sep 30, 2021
Benzo(a)pyrene	Resolved	Jul 1, 2021 to Sep 30, 2021
Pentachlorophenol	Resolved	Jul 1, 2021 to Sep 30, 2021
Simazine	Resolved	Jul 1, 2021 to Sep 30, 2021
Methoxychlor	Resolved	Jul 1, 2021 to Sep 30, 2021
OXAMYL	Resolved	Jul 1, 2021 to Sep 30, 2021
2,4,5-TP	Resolved	Jul 1, 2021 to Sep 30, 2021
HEXACHLOROBENZENE	Resolved	Jul 1, 2021 to Sep 30, 2021
Chlordane	Resolved	Jul 1, 2021 to Sep 30, 2021
BHC-GAMMA	Resolved	Jul 1, 2021 to Sep 30, 2021
Dalapon	Resolved	Jul 1, 2021 to Sep 30, 2021
Atrazine	Resolved	Jul 1, 2021 to Sep 30, 2021

North Baker Water And Or Sewer Dist

MT0004404 · Groundwater · 112 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: 0.001 mg/L
Action level: 0.015 mg/L

7% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (1)

Imported violation history for North Baker Water And Or Sewer Dist
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Sep 1, 2022 to Sep 30, 2022

Fallon County Water District

MT0003035 · Groundwater · 85 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

Above action level

Reported level: 0.024 mg/L
Action level: 0.015 mg/L

160% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (2)

Imported violation history for Fallon County Water District
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Sep 1, 2022 to Sep 30, 2022
Lead and Copper Rule	Unaddressed	Oct 1, 2007

City summary

What the indexed records say

Baker has 1 published ZIP profile across Fallon County. 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 Baker

Open a ZIP for site-level provenance and measurements.

ZIP code

59313

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

Other Montana communities

Plevna

Fallon County

— No median

Babb

Glacier County

59 PPM median

Basin

Jefferson County

38 PPM median

Bigfork

Lake County

193 PPM median

Clancy

Jefferson County

38 PPM median

Colstrip

Rosebud County

629 PPM median

Search all 133 Montana cities →

Questions people ask

About water in Baker

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.