Public water system record

Town of Merino

Serves Merino, Logan County, CO · 235 people served

Federal records show 5 health-based violations and 15 monitoring/reporting issues for Town of Merino in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • CO0138025
  • WELDONA
  • CO
  • 235 served

System profile

Source water Groundwater
ZIP 80653
EPA system ID CO0138025

Verify this system on EPA ECHO →

Health-based violations, last 10 years
5
Resolved
5
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
15

Key facts

  • Town of Merino draws water from 1 well.
  • Highest measured level in the last 10 years: Combined Uranium, 43.7 µg/L, federal limit 30 µg/L (1.5 times the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by Colorado, January 2009.
  • Record on file since 1998, with 16 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 162 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0867 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Apr 1, 2018 Resolved No
Combined Uranium
Contaminant limit exceeded
Measured 35.75 µg/L, federal limit 30 µg/L (1.2 times the limit)
340 Apr 1, 2018 Resolved No
Combined Uranium
Contaminant limit exceeded
Measured 43.7 µg/L, federal limit 30 µg/L (1.5 times the limit)
340 Jan 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.100875 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
220 Jan 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.08348 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Oct 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
RPT
Aug 1, 2023 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Public Notice
OTHER
Jan 29, 2020 Resolved
Public Notice
OTHER
Oct 29, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2019 Resolved
Public Notice
OTHER
Aug 15, 2019 Resolved
Public Notice
OTHER
Jul 29, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2018 Resolved
Public Notice
OTHER
Dec 31, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 31, 2016 Resolved

Full record since 1998

EPA's records for Town of Merino go back to 1998. Before October 19, 2016 they list 16 health-based violations (16 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 9 2
2010 to October 18, 2016 7 3
October 19, 2016 to 2019 5 10
2020s 0 5

Most recent health-based violation before October 19, 2016: Combined Uranium, began April 2016, Resolved.

Show all 16 health-based violations before October 19, 2016
Contaminant Start date Status
Combined Uranium
Contaminant limit exceeded
Measured 50.5 µg/L, federal limit 30 µg/L (1.7 times the limit)
Apr 1, 2016 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 49 µg/L, federal limit 30 µg/L (1.6 times the limit)
Jan 1, 2015 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 44 µg/L, federal limit 30 µg/L (1.5 times the limit)
Jan 1, 2014 Resolved
Lead and Copper Rule
Treatment technique failure
Apr 1, 2013 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 56 µg/L, federal limit 30 µg/L (1.9 times the limit)
Jan 1, 2012 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 57 µg/L, federal limit 30 µg/L (1.9 times the limit)
Jan 1, 2011 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 60 µg/L, federal limit 30 µg/L (2 times the limit)
Jan 1, 2010 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 54 µg/L, federal limit 30 µg/L (1.8 times the limit)
Jan 1, 2009 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 55 µg/L, federal limit 30 µg/L (1.8 times the limit)
Oct 1, 2008 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 53 µg/L, federal limit 30 µg/L (1.8 times the limit)
Jul 1, 2008 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 53 µg/L, federal limit 30 µg/L (1.8 times the limit)
Apr 1, 2008 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 52 µg/L, federal limit 30 µg/L (1.7 times the limit)
Jan 1, 2008 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 54 µg/L, federal limit 30 µg/L (1.8 times the limit)
Oct 1, 2007 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 53 µg/L, federal limit 30 µg/L (1.8 times the limit)
Jul 1, 2007 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 51 µg/L, federal limit 30 µg/L (1.7 times the limit)
Apr 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 2001 Resolved

Enforcement actions

Colorado regulators took 1 formal enforcement action against Town of Merino in 2009. The most recent was a compliance order (no penalty) in January 2009.

Date By Action Violations covered
Jan 16, 2009 Colorado Compliance order (no penalty) 16 violations (16 health-based): Combined Uranium

What the violations mean

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Combined Uranium

2 incidents

Test results for Combined Uranium were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about each of these violations.

Where the water comes from

Town of Merino draws water from 1 well.

Annual water quality report

Town of Merino 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 Town of Merino 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.