Public water system record

Idledale WSD

Serves Idledale, Jefferson County, CO · 350 people served

Federal records show 1 health-based violation and 31 monitoring/reporting issues for Idledale WSD in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • CO0130055
  • DENVER
  • CO
  • 350 served

System profile

Source water Groundwater under direct influence
ZIP 80231
EPA system ID CO0130055

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

  • Idledale WSD draws water from 3 wells and 1 surface water intake (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order with a penalty by Colorado, December 2021.
  • Record on file since 1992, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 137 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
Surface Water Treatment Rule
Treatment technique failure
120 Aug 14, 2021 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Public Notice
OTHER
Apr 7, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Public Notice
OTHER
Jan 7, 2025 Resolved
Toluene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Oct 9, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Public Notice
OTHER
Jul 11, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2024 Resolved
Public Notice
OTHER
Apr 12, 2024 Resolved
Combined Uranium
Monitoring and reporting
Apr 1, 2024 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Apr 1, 2024 Resolved
Public Notice
OTHER
Jan 13, 2024 Resolved
Toluene
Monitoring and reporting
Jan 1, 2024 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, 2024 Resolved
Combined Uranium
Monitoring and reporting
Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Jul 17, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2023 Resolved
Public Notice
OTHER
Apr 18, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Public Notice
OTHER
Jul 22, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2022 Resolved
Public Notice
OTHER
Jan 23, 2022 Resolved
Public Notice
OTHER
Oct 25, 2021 Resolved
Mercury
Monitoring and reporting
Jan 1, 2014 Resolved

Full record since 1992

EPA's records for Idledale WSD go back to 1992. Before October 19, 2016 they list no health-based violations and 88 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 3
2000s 0 83
2010 to October 18, 2016 0 2
2020s 1 30

Enforcement actions

Colorado regulators and EPA took 2 formal enforcement actions against Idledale WSD between 1995 and 2021. The most recent was a compliance order with a penalty in December 2021.

Date By Action Violations covered
Dec 20, 2021 Colorado Compliance order with a penalty 1 violation (1 health-based): Surface Water Treatment Rule
Feb 28, 1995 EPA Compliance order (no penalty) 1 violation: Nitrate

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

Idledale WSD draws water from 3 wells and 1 surface water intake (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to McDonald Farms Enterprises Inc.

Emergency or part-time connections to

Annual water quality report

Idledale WSD 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 Idledale WSD 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.