Public water system record

Superior MD No 1

Serves Superior, Boulder County, CO · 17,900 people served

Federal records show 2 health-based violations and 2 monitoring/reporting issues for Superior MD No 1 in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • CO0107725
  • SUPERIOR
  • CO
  • 17,900 served

System profile

Source water Surface water
ZIP 80027
EPA system ID CO0107725

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
2

Key facts

  • Superior MD No 1 draws water from 2 surface water intakes (1 of them for emergency, seasonal or other part-time use).
  • Most recent enforcement action: boil water order by Colorado, December 2021.
  • Record on file since 2004, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 3,778 service lines.

Check whether Superior MD No 1 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 Dec 1, 2021 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2020 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2020 Resolved

Full record since 2004

EPA's records for Superior MD No 1 go back to 2004. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 45 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 1 44
2010 to October 18, 2016 2 1
2020s 2 2

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began May 2013, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
May 1, 2013 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
May 1, 2013 Resolved
CARBON, TOTAL
Treatment technique failure
Jul 1, 2006 Resolved

Enforcement actions

Colorado regulators issued 1 boil water order to Superior MD No 1 in 2021. The most recent was a boil water order in December 2021.

Date By Action Violations covered
Dec 31, 2021 Colorado Boil water order 1 violation (1 health-based): Surface Water Treatment Rule

What the violations mean

Surface Water Treatment Rule

2 incidents

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 each of these violations.

Where the water comes from

Superior MD No 1 draws water from 2 surface water intakes (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Superior MD No 1 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.