Public water system record

Asgard Subdivision WA

On record as serving Garfield County, CO · Serves 80 people

Federal records show 6 health-based violations and 17 monitoring/reporting issues for Asgard Subdivision WA in the last ten years. The most serious issue in this window was a resolved Nitrate violation.

  • CO0123123
  • SILT
  • CO
  • 80 served

System profile

Source water Purchased surface water
ZIP 81652
EPA system ID CO0123123

Verify this system on EPA ECHO →

Health-based violations, last 10 years
6
Resolved
6
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
17

Key facts

  • Asgard Subdivision WA draws water from 3 wells (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Nitrate, 19.8 mg/L, federal limit 10 mg/L (2 times the limit), 2018.
  • Most recent formal enforcement: compliance order with a penalty by Colorado, September 2020.
  • Record on file since 1991, with 14 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 21 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
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
330 Jan 1, 2025 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 10.7 mg/L, federal limit 10 mg/L (1.1 times the limit)
330 Mar 1, 2024 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 18.55 mg/L, federal limit 10 mg/L (1.9 times the limit)
330 Jan 1, 2020 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 18.85 mg/L, federal limit 10 mg/L (1.9 times the limit)
330 Jan 1, 2019 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 19.8 mg/L, federal limit 10 mg/L (2 times the limit)
330 Jan 1, 2018 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 14.1 mg/L, federal limit 10 mg/L (1.4 times the limit)
330 Jan 1, 2017 Resolved Yes

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
Monitoring and reporting
Jan 1, 2026 Active
Nitrate
Monitoring and reporting
Nov 1, 2025 Resolved
Nitrate
Monitoring and reporting
Jul 1, 2025 Resolved
Nitrate
Monitoring and reporting
Jun 1, 2025 Resolved
Nitrate
Monitoring and reporting
May 1, 2025 Resolved
Public Notice
OTHER
Feb 22, 2025 Resolved
Revised Total Coliform Rule
RPT
Feb 1, 2025 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2025 Resolved
Nitrate
Monitoring and reporting
Nov 1, 2024 Resolved
Nitrate
Monitoring and reporting
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Selenium
Monitoring and reporting
Apr 1, 2024 Resolved
Nitrate
Monitoring and reporting
Feb 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2020 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate
Monitoring and reporting
Jan 1, 2018 Resolved

Full record since 1991

EPA's records for Asgard Subdivision WA go back to 1991. Before October 19, 2016 they list 14 health-based violations (14 resolved) and 24 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 12
2000s 3 11
2010 to October 18, 2016 11 1
October 19, 2016 to 2019 3 1
2020s 3 16

Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 2015, Resolved.

Show all 14 health-based violations before October 19, 2016
Contaminant Start date Status
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
Jan 1, 2015 Resolved
Selenium
Contaminant limit exceeded
Measured 0.0697 mg/L, federal limit 0.05 mg/L (1.4 times the limit)
Jul 1, 2014 Resolved
Selenium
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.05 mg/L (1.4 times the limit)
Apr 1, 2014 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 11.6 mg/L, federal limit 10 mg/L (1.2 times the limit)
Mar 1, 2014 Resolved
Selenium
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.05 mg/L (1.4 times the limit)
Jan 1, 2014 Resolved
Selenium
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.05 mg/L (1.4 times the limit)
Oct 1, 2013 Resolved
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
Jul 1, 2013 Resolved
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
Oct 1, 2010 Resolved
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
Jul 1, 2010 Resolved
Selenium
Contaminant limit exceeded
Measured 0.08 mg/L, federal limit 0.05 mg/L (1.6 times the limit)
Apr 1, 2010 Resolved
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
Jan 1, 2010 Resolved
Selenium
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.05 mg/L (1.2 times the limit)
Jan 1, 2008 Resolved
Selenium
Contaminant limit exceeded
Measured 0.071 mg/L, federal limit 0.05 mg/L (1.4 times the limit)
Jan 1, 2006 Resolved
Selenium
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.05 mg/L (1.3 times the limit)
Jan 1, 2005 Resolved

Enforcement actions

Colorado regulators took 4 formal enforcement actions against Asgard Subdivision WA between 2003 and 2020. The most recent was a compliance order with a penalty in September 2020.

Date By Action Violations covered
Sep 8, 2020 Colorado Compliance order with a penalty 4 violations (4 health-based): Nitrate
Mar 8, 2018 Colorado Compliance order (no penalty) 6 violations (6 health-based): Nitrate
Mar 28, 2011 Colorado Compliance order (no penalty) 17 violations (15 health-based): Selenium, Nitrate, Endothall
May 30, 2003 Colorado Compliance order (no penalty) 1 violation: Consumer Confidence Rule

What the violations mean

Nitrate

6 incidents

Nitrate exceeded the federal limit

High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome

Where the water comes from

Asgard Subdivision WA draws water from 3 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Williams Creek Water.

Buys water from

Annual water quality report

Asgard Subdivision WA 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 Asgard Subdivision WA 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.