Public water system record

Town of Ryegate

Serves Ryegate, Golden Valley County, MT · 270 people served

Federal records show 2 health-based violations and 6 monitoring/reporting issues for Town of Ryegate in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • MT0000322
  • RYEGATE
  • MT
  • 270 served

System profile

Source water Groundwater
ZIP 59074
EPA system ID MT0000322

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
6

Key facts

  • Town of Ryegate draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent enforcement action: boil water order by Montana, August 2011.
  • Record on file since 1993, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 15 unknown out of 117 service lines.

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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
Groundwater Rule
Treatment technique failure
140 Jul 1, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Dec 1, 2022 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2025 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2025 Resolved
Groundwater Rule
Monitoring and reporting
Jan 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Groundwater Rule
Monitoring and reporting
Feb 1, 2024 Resolved
Groundwater Rule
Monitoring and reporting
Feb 1, 2021 Resolved

Full record since 1993

EPA's records for Town of Ryegate go back to 1993. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 280 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 2
2000s 2 255
2010 to October 18, 2016 3 23
2020s 2 6

Most recent health-based violation before October 19, 2016: Groundwater Rule, began October 2014, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
Oct 1, 2014 Resolved
Groundwater Rule
Treatment technique failure
Sep 1, 2014 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Jul 1, 2011 Resolved
Lead and Copper Rule
Treatment technique failure
Dec 21, 2006 Resolved
Lead and Copper Rule
Treatment technique failure
Aug 21, 2006 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 1996 Resolved

Enforcement actions

Montana regulators took 3 formal enforcement actions against Town of Ryegate and issued 1 boil water order between 2006 and 2011. The most recent was a boil water order in August 2011.

Date By Action Violations covered
Aug 10, 2011 Montana Boil water order 1 violation (1 health-based): Total Coliform
Aug 16, 2007 Montana Compliance order with a penalty 93 violations (2 health-based): 1,1,2-Trichloroethane, Tetrachloroethylene, CHLOROBENZENE, Toluene, Ethylbenzene
Oct 31, 2006 Montana Compliance order with a penalty 28 violations: Lead and Copper Rule
Mar 9, 2006 Montana Compliance order with a penalty 95 violations: Toluene, CHLOROBENZENE, Ethylbenzene, Styrene, Nitrate-Nitrite

What the violations mean

Groundwater Rule

2 incidents

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 each of these violations.

Where the water comes from

Town of Ryegate draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Town of Ryegate 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 Ryegate 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.