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Public water system record

Buttermilk MD

Serves Snowmass Village, Pitkin County, CO · 200 people served

Federal records show 1 health-based violation and 31 monitoring/reporting issues for Buttermilk MD in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • CO0149160
  • BASALT
  • CO
  • 200 served

System profile

Source water Purchased surface water
ZIP 81621
EPA system ID CO0149160

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
31

Key facts

  • Buttermilk MD buys its water from City of Aspen.
  • Most recent formal enforcement: compliance order with a penalty by Colorado, August 2007.
  • Record on file since 2005, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 70 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 Jan 22, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
 Jan 3, 2026 Active
Public Notice
OTHER
 Oct 5, 2025 Active
Public Notice
OTHER
 Jul 5, 2025 Active
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Active
Public Notice
OTHER
 Apr 5, 2025 Active
Public Notice
OTHER
 Jan 5, 2025 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2025 Active
Public Notice
OTHER
 Oct 5, 2024 Active
Chlorine
Monitoring and reporting
 Jul 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Jul 1, 2024 Resolved
Revised Total Coliform Rule
RPT
 Jul 1, 2024 Resolved
Public Notice
OTHER
 Jun 11, 2024 Active
Public Notice
OTHER
 Mar 11, 2024 Active
Public Notice
OTHER
 Dec 11, 2023 Active
Public Notice
OTHER
 Sep 11, 2023 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 1, 2022 Resolved
Public Notice
OTHER
 Sep 24, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2018 Resolved
Public Notice
OTHER
 Sep 24, 2017 Resolved
Public Notice
OTHER
 Mar 13, 2017 Resolved
Chlorine
Monitoring and reporting
 Jan 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Jan 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
 Jan 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Dec 1, 2016 Resolved
Revised Total Coliform Rule
Monitoring violation
 Dec 1, 2016 Resolved
Chlorine
Monitoring and reporting
 Oct 1, 2016 Resolved
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
 Sep 23, 2016 Resolved

Full record since 2005

EPA's records for Buttermilk MD go back to 2005. Before October 19, 2016 they list no health-based violations and 225 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 218
2010 to October 18, 2016 0 7
October 19, 2016 to 2019 1 9
2020s 0 20

Enforcement actions

Colorado regulators took 1 formal enforcement action against Buttermilk MD in 2007. The most recent was a compliance order with a penalty in August 2007.

Date By Action Violations covered
Aug 31, 2007 Colorado Compliance order with a penalty 5 violations: Lead and Copper Rule, Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)

What the violations mean

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

Buttermilk MD buys its water from City of Aspen. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Buttermilk MD 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 Buttermilk MD 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 Colorado.

Certified drinking water labs by state EPA guidance for private wells