Public water system record

Town of Manzanola

Serves an area of Otero County, CO that includes Manzanola · 497 people served

Federal records show 46 health-based violations and 14 monitoring/reporting issues for Town of Manzanola in the last ten years, including an unresolved Groundwater Rule violation.

  • CO0145450
  • MANZANOLA
  • CO
  • 497 served

System profile

Source water Groundwater
ZIP 81058
EPA system ID CO0145450

Verify this system on EPA ECHO →

Health-based violations, last 10 years
46
Resolved
24
Unresolved
2
Archived by EPA
20
Any acute record
No
Monitoring issues, last 10 years
14

Key facts

  • Town of Manzanola draws water from 2 wells.
  • Highest measured level in the last 10 years: Gross Alpha, Excl. Radon and U, 32.18 pCi/L, federal limit 15 pCi/L (2.1 times the limit), 2023.
  • Most recent formal enforcement: compliance order (no penalty) by Colorado, May 2022.
  • Record on file since 1994, with 11 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 216 service lines.

Check whether Town of Manzanola 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
Combined Uranium
Contaminant limit exceeded
Measured 40 µg/L, federal limit 30 µg/L (1.3 times the limit)
340 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
Measured 37 µg/L, federal limit 30 µg/L (1.2 times the limit)
340 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
Measured 42 µg/L, federal limit 30 µg/L (1.4 times the limit)
340 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
Measured 39.1 µg/L, federal limit 30 µg/L (1.3 times the limit)
340 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.91 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
340 Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Groundwater Rule
Treatment technique failure
140 Aug 2, 2024 Active No
Groundwater Rule
Treatment technique failure
140 Aug 2, 2024 Active No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.03 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
340 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.34 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
340 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.85 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
340 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.6425 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
340 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 21 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
340 Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.6 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
340 Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 25.53 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
340 Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 25.42 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
340 Jul 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
Measured 35.5 µg/L, federal limit 30 µg/L (1.2 times the limit)
340 Jul 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
340 Apr 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 22.03 pCi/L, federal limit 15 pCi/L (1.5 times the limit)
340 Apr 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
Measured 38.5 µg/L, federal limit 30 µg/L (1.3 times the limit)
340 Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 32.18 pCi/L, federal limit 15 pCi/L (2.1 times the limit)
340 Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
Measured 46.5 µg/L, federal limit 30 µg/L (1.6 times the limit)
340 Oct 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
Measured 46 µg/L, federal limit 30 µg/L (1.5 times the limit)
340 Jul 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Combined Uranium
Contaminant limit exceeded
Measured 48 µg/L, federal limit 30 µg/L (1.6 times the limit)
340 Apr 1, 2022 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jan 1, 2022 Resolved No
Combined Uranium
Contaminant limit exceeded
Measured 41 µg/L, federal limit 30 µg/L (1.4 times the limit)
340 Jan 1, 2022 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.53 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
340 Oct 1, 2021 Resolved No
Combined Uranium
Contaminant limit exceeded
Measured 33.75 µg/L, federal limit 30 µg/L (1.1 times the limit)
340 Oct 1, 2021 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.92 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jul 1, 2021 Resolved No
Combined Uranium
Contaminant limit exceeded
Measured 31.75 µg/L, federal limit 30 µg/L (1.1 times the limit)
340 Jul 1, 2021 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.77 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Apr 1, 2021 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.52 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
340 Jan 1, 2021 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Oct 1, 2020 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.78 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jul 1, 2020 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.82 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Apr 1, 2020 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.07 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jan 1, 2020 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.1 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Oct 1, 2019 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jul 1, 2019 Resolved No
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
340 Jul 1, 2019 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.23 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Apr 1, 2019 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.05 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jan 1, 2019 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.03 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Oct 1, 2018 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.98 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jul 1, 2018 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.67 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
340 Apr 1, 2018 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.53 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
340 Jan 1, 2018 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.07 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jul 1, 2017 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.57 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
340 Apr 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
Public Notice
OTHER
Jul 4, 2025 Resolved
Public Notice
OTHER
Apr 4, 2025 Resolved
Public Notice
OTHER
Oct 1, 2024 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jul 1, 2024 Resolved
Combined Uranium
Monitoring and reporting
Jul 1, 2024 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jul 1, 2024 Resolved
Public Notice
OTHER
Apr 1, 2024 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2024 Resolved
Combined Uranium
Monitoring and reporting
Jan 1, 2024 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Public Notice
OTHER
Jan 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2022 Resolved
Combined Uranium
Monitoring and reporting
Jan 1, 2020 Resolved

Full record since 1994

EPA's records for Town of Manzanola go back to 1994. Before October 19, 2016 they list 11 health-based violations (11 resolved) and 16 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 11
2000s 1 4
2010 to October 18, 2016 9 1
October 19, 2016 to 2019 11 0
2020s 35 14

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

Show all 11 health-based violations before October 19, 2016
Contaminant Start date Status
Combined Uranium
Contaminant limit exceeded
Measured 33 µg/L, federal limit 30 µg/L (1.1 times the limit)
Apr 1, 2016 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
Jan 1, 2016 Resolved
Combined Uranium
Contaminant limit exceeded
Oct 1, 2015 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
Jul 1, 2015 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
Jul 1, 2014 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
Apr 1, 2014 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 36 µg/L, federal limit 30 µg/L (1.2 times the limit)
Jan 1, 2014 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 39 µg/L, federal limit 30 µg/L (1.3 times the limit)
Oct 1, 2013 Resolved
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
Jul 1, 2013 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Jul 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 13 pCi/L, federal limit 5 pCi/L (2.6 times the limit)
Jan 1, 1994 Resolved

Enforcement actions

Colorado regulators took 3 formal enforcement actions against Town of Manzanola and issued 1 boil water order between 1999 and 2022. The most recent was a compliance order (no penalty) in May 2022.

Date By Action Violations covered
May 31, 2022 Colorado Compliance order (no penalty) 57 violations (54 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228), Combined Uranium, Public Notice
Jun 26, 2014 Colorado Compliance order (no penalty) 33 violations (33 health-based): Combined Uranium, Combined Radium (-226 and -228)
Jul 8, 2003 Colorado Boil water order 1 violation (1 health-based): Total Coliform
Nov 26, 1999 Colorado Compliance order (no penalty) 1 violation (1 health-based): Combined Radium (-226 and -228)

What the violations mean

Combined Radium (-226 and -228)

22 incidents

Test results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).

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

Combined Uranium

14 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.

Gross Alpha, Excl. Radon and U

8 incidents

Test results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).

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

Groundwater Rule

2 incidents

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

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

Where the water comes from

Town of Manzanola draws water from 2 wells.

Annual water quality report

Town of Manzanola 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 Manzanola 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.