Public water system record

Town of Manassa

Serves Manassa, Conejos County, CO · 976 people served

Federal records show no health-based violations and 18 monitoring/reporting issues for Town of Manassa in the last ten years. At least one of these issues remains unresolved.

  • CO0111700
  • MANASSA
  • CO
  • 976 served

System profile

Source water Groundwater
ZIP 81141
EPA system ID CO0111700

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
18

Key facts

  • Town of Manassa draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: signed compliance agreement by Colorado, July 2010.
  • Record on file since 1992, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 490 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
Public Notice
OTHER
Dec 26, 2025 Active
Nitrate
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Public Notice
OTHER
Oct 30, 2022 Active
Chlorine
Monitoring and reporting
Oct 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2022 Resolved
Public Notice
OTHER
Jan 30, 2022 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2022 Resolved
Public Notice
OTHER
Oct 30, 2021 Resolved
Xylenes, Total
Monitoring and reporting
Jul 1, 2020 Resolved
Xylenes, Total
Monitoring and reporting
Apr 1, 2020 Resolved
Ethylbenzene
Monitoring and reporting
Apr 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2018 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2016 Resolved

Full record since 1992

EPA's records for Town of Manassa go back to 1992. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 89 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 2
2000s 2 9
2010 to October 18, 2016 1 78
October 19, 2016 to 2019 0 3
2020s 0 14

Most recent health-based violation before October 19, 2016: Total Coliform, began November 2010, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Nov 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2007 Resolved

Enforcement actions

Colorado regulators took 1 formal enforcement action against Town of Manassa in 2010. The most recent was a signed compliance agreement in July 2010.

Date By Action Violations covered
Jul 23, 2010 Colorado Signed compliance agreement 5 violations (2 health-based): Total Coliform

Where the water comes from

Town of Manassa draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Town of Manassa 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 Colorado.