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Public water system record

City of Idaho Springs

Serves Idaho Springs, Clear Creek County, CO · 10,432 people served

Federal records show no health-based violations and 9 monitoring/reporting issues for City of Idaho Springs in the last ten years.

  • CO0110020
  • IDAHO SPRINGS
  • CO
  • 10,432 served

System profile

Source water Surface water
ZIP 80452
EPA system ID CO0110020

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
9

Key facts

  • City of Idaho Springs draws water from 2 surface water intakes.
  • Most recent enforcement action: boil water order by Colorado, June 2002.
  • Record on file since 1995, with 28 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 951 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.

None since October 2016.

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 REVISIONS
RPT
 Jul 2, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2025 Resolved
Public Notice
OTHER
 Jan 4, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Jun 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Jun 1, 2023 Resolved
Public Notice
OTHER
 Dec 31, 2019 Resolved
Public Notice
OTHER
 Oct 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Jun 1, 2019 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Jun 1, 2019 Resolved

Full record since 1995

EPA's records for City of Idaho Springs go back to 1995. Before October 19, 2016 they list 28 health-based violations (28 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 19 0
2000s 9 2
October 19, 2016 to 2019 0 4
2020s 0 5

Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began October 2007, Resolved.

Show all 28 health-based violations before October 19, 2016
Contaminant Start date Status
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Oct 1, 2007 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Jul 1, 2007 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
 Apr 1, 2007 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 Jan 1, 2007 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 2004 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Apr 1, 2002 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Oct 1, 2001 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 2001 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 2001 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
 May 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Apr 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
 May 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
 May 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
 May 1, 1995 Resolved

Enforcement actions

Colorado regulators issued 2 boil water orders to City of Idaho Springs between 1985 and 2002. The most recent was a boil water order in June 2002.

Date By Action Violations covered
Jun 4, 2002 Colorado Boil water order 1 violation (1 health-based): Surface Water Treatment Rule
Sep 30, 1985 Colorado Boil water order 1 violation

Where the water comes from

City of Idaho Springs draws water from 2 surface water intakes. 2 smaller public systems such as schools, businesses or campgrounds buy water from City of Idaho Springs.

Annual water quality report

City of Idaho Springs 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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