Public water system record

City of Big Timber

Serves Big Timber, Sweet Grass County, MT · 1,650 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for City of Big Timber in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • MT0000463
  • BIG TIMBER
  • MT
  • 1,650 served

System profile

Source water Surface water
ZIP 59011
EPA system ID MT0000463

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
0

Key facts

  • City of Big Timber draws water from 1 infiltration gallery.
  • Most recent formal enforcement: compliance order (no penalty) by Montana, June 2015.
  • Record on file since 1994, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 941 service lines.

Check whether City of Big Timber 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
Surface Water Treatment Rule
Treatment technique failure
120 Oct 22, 2014 Resolved No

Full record since 1994

EPA's records for City of Big Timber go back to 1994. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 35 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 3
2000s 1 31
2010 to October 18, 2016 1 1

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

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Oct 22, 2014 Resolved
Lead and Copper Rule
Treatment technique failure
Dec 1, 2009 Resolved

Enforcement actions

Montana regulators took 1 formal enforcement action against City of Big Timber in 2015. The most recent was a compliance order (no penalty) in June 2015.

Date By Action Violations covered
Jun 15, 2015 Montana Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule

What the violations mean

Surface Water Treatment Rule

1 incident

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

The utility had to notify customers about this violation.

Where the water comes from

City of Big Timber draws water from 1 infiltration gallery.

Annual water quality report

City of Big Timber 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.