Public water system record

Town of Dodson

Serves Dodson, Phillips County, MT · 120 people served

Federal records show 3 health-based violations and 86 monitoring/reporting issues for Town of Dodson in the last ten years, including an unresolved Revised Total Coliform Rule violation.

  • MT0000203
  • DODSON
  • MT
  • 120 served

System profile

Source water Groundwater
ZIP 59524
EPA system ID MT0000203

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
2
Unresolved
1
Any acute record
Yes
Monitoring issues, last 10 years
86

Key facts

  • Town of Dodson draws water from 2 wells.
  • Most recent enforcement action: boil water order by Montana, November 2001.
  • Record on file since 1994, with 5 health-based violations before October 19, 2016.

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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 Dec 16, 2025 Active No
Groundwater Rule
Treatment technique failure
140 Jun 2, 2021 Resolved No
Revised Total Coliform Rule
Contaminant limit exceeded
110 Oct 1, 2018 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2026 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
E. coli
Monitoring and reporting
Nov 4, 2025 Active
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Active
Consumer Confidence Rule
OTHER
Oct 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Nitrate-Nitrite
Monitoring and reporting
Jan 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Nitrate-Nitrite
Monitoring and reporting
Jan 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2021 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2021 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2020 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2020 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2020 Resolved
Endothall
Monitoring and reporting
Jan 1, 2020 Resolved
Diquat
Monitoring and reporting
Jan 1, 2020 Resolved
CYANIDE
Monitoring and reporting
Jan 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
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2020 Resolved
Styrene
Monitoring and reporting
Jan 1, 2020 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2020 Resolved
Toluene
Monitoring and reporting
Jan 1, 2020 Resolved
Benzene
Monitoring and reporting
Jan 1, 2020 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2020 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2020 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2020 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2020 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2020 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2020 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2020 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2020 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2020 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2020 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2020 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2020 Resolved
Thallium, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Beryllium, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Antimony, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Nickel
Monitoring and reporting
Jan 1, 2020 Resolved
Nitrate-Nitrite
Monitoring and reporting
Jan 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2019 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
E. coli
Monitoring and reporting
Nov 2, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2017 Resolved
Nitrate-Nitrite
Monitoring and reporting
Jan 1, 2017 Resolved

Full record since 1994

EPA's records for Town of Dodson go back to 1994. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 19 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 6
2000s 3 4
2010 to October 18, 2016 0 9
October 19, 2016 to 2019 1 6
2020s 2 80

Most recent health-based violation before October 19, 2016: Total Coliform, began September 2006, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Sep 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 2006 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Nov 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 1998 Resolved

Enforcement actions

Montana regulators issued 1 boil water order to Town of Dodson in 2001. The most recent was a boil water order in November 2001.

Date By Action Violations covered
Nov 15, 2001 Montana Boil water order 1 violation (1 health-based): Total Coliform

What the violations mean

Revised Total Coliform Rule

2 incidents

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

Groundwater Rule

1 incident

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Town of Dodson draws water from 2 wells.

Annual water quality report

Town of Dodson 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Town of Dodson for a copy.

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.