Public water system record

City of Baker

Serves Baker, Fallon County, MT · 1,858 people served

Federal records show 1 health-based violation and 120 monitoring/reporting issues for City of Baker in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • MT0000021
  • BAKER
  • MT
  • 1,858 served

System profile

Source water Groundwater
ZIP 59313
EPA system ID MT0000021

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
120

Key facts

  • City of Baker draws water from 6 wells.
  • Record on file since 1994, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 392 unknown out of 1,074 service lines.

Check whether City of Baker serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Revised Total Coliform Rule
Treatment technique failure
110 Aug 21, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
Oct 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2024 Resolved
Chlordane
Monitoring and reporting
Jul 1, 2022 Resolved
Pentachlorophenol
Monitoring and reporting
Jul 1, 2022 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jul 1, 2022 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jul 1, 2022 Resolved
2,4,5-TP
Monitoring and reporting
Jul 1, 2022 Resolved
2,4-D
Monitoring and reporting
Jul 1, 2022 Resolved
Heptachlor epoxide
Monitoring and reporting
Jul 1, 2022 Resolved
Heptachlor
Monitoring and reporting
Jul 1, 2022 Resolved
LASSO
Monitoring and reporting
Jul 1, 2022 Resolved
Atrazine
Monitoring and reporting
Jul 1, 2022 Resolved
Carbofuran
Monitoring and reporting
Jul 1, 2022 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jul 1, 2022 Resolved
Dinoseb
Monitoring and reporting
Jul 1, 2022 Resolved
Picloram
Monitoring and reporting
Jul 1, 2022 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jul 1, 2022 Resolved
Simazine
Monitoring and reporting
Jul 1, 2022 Resolved
OXAMYL
Monitoring and reporting
Jul 1, 2022 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jul 1, 2022 Resolved
Dalapon
Monitoring and reporting
Jul 1, 2022 Resolved
Toxaphene
Monitoring and reporting
Jul 1, 2022 Resolved
Methoxychlor
Monitoring and reporting
Jul 1, 2022 Resolved
BHC-GAMMA
Monitoring and reporting
Jul 1, 2022 Resolved
Endrin
Monitoring and reporting
Jul 1, 2022 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2022 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2022 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2022 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2022 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2022 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2022 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2022 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2022 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2022 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2022 Resolved
LASSO
Monitoring and reporting
Jan 1, 2022 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2022 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2022 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2022 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2022 Resolved
Picloram
Monitoring and reporting
Jan 1, 2022 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2022 Resolved
Simazine
Monitoring and reporting
Jan 1, 2022 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2022 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2022 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2022 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2022 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2022 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2022 Resolved
Endrin
Monitoring and reporting
Jan 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 31, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 31, 2021 Resolved
Chlordane
Monitoring and reporting
Jul 1, 2021 Resolved
Pentachlorophenol
Monitoring and reporting
Jul 1, 2021 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jul 1, 2021 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jul 1, 2021 Resolved
2,4,5-TP
Monitoring and reporting
Jul 1, 2021 Resolved
2,4-D
Monitoring and reporting
Jul 1, 2021 Resolved
Heptachlor epoxide
Monitoring and reporting
Jul 1, 2021 Resolved
Heptachlor
Monitoring and reporting
Jul 1, 2021 Resolved
LASSO
Monitoring and reporting
Jul 1, 2021 Resolved
Atrazine
Monitoring and reporting
Jul 1, 2021 Resolved
Carbofuran
Monitoring and reporting
Jul 1, 2021 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jul 1, 2021 Resolved
Dinoseb
Monitoring and reporting
Jul 1, 2021 Resolved
Picloram
Monitoring and reporting
Jul 1, 2021 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jul 1, 2021 Resolved
Simazine
Monitoring and reporting
Jul 1, 2021 Resolved
OXAMYL
Monitoring and reporting
Jul 1, 2021 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jul 1, 2021 Resolved
Dalapon
Monitoring and reporting
Jul 1, 2021 Resolved
Toxaphene
Monitoring and reporting
Jul 1, 2021 Resolved
Methoxychlor
Monitoring and reporting
Jul 1, 2021 Resolved
BHC-GAMMA
Monitoring and reporting
Jul 1, 2021 Resolved
Endrin
Monitoring and reporting
Jul 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2020 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2020 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2020 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2020 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2020 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2020 Resolved
LASSO
Monitoring and reporting
Jan 1, 2020 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2020 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2020 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2020 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2020 Resolved
Picloram
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2020 Resolved
Simazine
Monitoring and reporting
Jan 1, 2020 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2020 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2020 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2020 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2020 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2020 Resolved
Endrin
Monitoring and reporting
Jan 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2019 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2018 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2018 Resolved
E. coli
Monitoring and reporting
Jul 18, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved
Nitrate-Nitrite
Monitoring and reporting
Jan 1, 2017 Resolved
E. coli
Monitoring and reporting
Dec 21, 2016 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2016 Resolved
Revised Total Coliform Rule
OTHER
Apr 2, 2016 Resolved

Full record since 1994

EPA's records for City of Baker go back to 1994. Before October 19, 2016 they list no health-based violations and 18 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 4
2000s 0 3
2010 to October 18, 2016 0 11
October 19, 2016 to 2019 1 13
2020s 0 104

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

City of Baker draws water from 6 wells. 2 other community water systems buy water from City of Baker.

Community systems that buy water from it

Annual water quality report

City of Baker must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Montana.