Public water system record
North Holbrook WC
Serves an area of Otero County, CO · 58 people served
Federal records show 35 health-based violations and 15 monitoring/reporting issues for North Holbrook WC in the last ten years, including an unresolved Groundwater Rule violation.
System profile
Source water
Groundwater
ZIP
81067
EPA system ID
CO0145630
- Health-based violations, last 10 years
- 35
- Resolved
- 0
- Unresolved
- 1
- Archived by EPA
- 34
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- North Holbrook WC draws water from 1 well.
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 11.65 pCi/L, federal limit 5 pCi/L (2.3 times the limit), 2019.
- Most recent formal enforcement: compliance order (no penalty) by Colorado, May 2022.
- Record on file since 1991, with 17 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 24 service lines.
Check whether North Holbrook WC serves your address
Health-based violations
Since October 2016Violation 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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 10 pCi/L, federal limit 5 pCi/L (2 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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 10 pCi/L, federal limit 5 pCi/L (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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 11 pCi/L, federal limit 5 pCi/L (2.2 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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.2 pCi/L, federal limit 5 pCi/L (2 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 |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.7 pCi/L, federal limit 5 pCi/L (1.9 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 |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.7 pCi/L, federal limit 5 pCi/L (1.9 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 |
|
Groundwater Rule
Treatment technique failure
|
140 | Jun 2, 2024 | Active | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.7 pCi/L, federal limit 5 pCi/L (1.9 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 |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.17 pCi/L, federal limit 5 pCi/L (2 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 10.92 pCi/L, federal limit 5 pCi/L (2.2 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 |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.35 pCi/L, federal limit 5 pCi/L (2.1 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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 11.2 pCi/L, federal limit 5 pCi/L (2.2 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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 11.2 pCi/L, federal limit 5 pCi/L (2.2 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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 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 Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
340 | Apr 1, 2022 |
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 10 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Jan 1, 2022 |
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 9.95 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Oct 1, 2021 |
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 10.13 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Jul 1, 2021 |
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 10 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Apr 1, 2021 |
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 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jan 1, 2021 |
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 10.85 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Oct 1, 2020 |
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 10.95 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jul 1, 2020 |
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 11.05 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Apr 1, 2020 |
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 11.35 pCi/L, federal limit 5 pCi/L (2.3 times the limit)
|
340 | Jan 1, 2020 |
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 11.65 pCi/L, federal limit 5 pCi/L (2.3 times the limit)
|
340 | Oct 1, 2019 |
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 11.65 pCi/L, federal limit 5 pCi/L (2.3 times the limit)
|
340 | Jul 1, 2019 |
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 11.6 pCi/L, federal limit 5 pCi/L (2.3 times the limit)
|
340 | Apr 1, 2019 |
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 10.88 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jan 1, 2019 |
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 10.15 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Oct 1, 2018 |
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 9.9 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Jul 1, 2018 |
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 9.93 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Apr 1, 2018 |
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 10.2 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Jan 1, 2018 |
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 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jan 1, 2017 |
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 7.4 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
340 | Jan 1, 2016 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2025 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2024 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Sep 6, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 19, 1999 |
Active
Enforcement action in place
|
Full record since 1991
EPA's records for North Holbrook WC go back to 1991. Before October 19, 2016 they list 17 health-based violations (1 resolved, 16 archived by EPA without a recorded fix) and 18 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 4 |
| 2000s | 9 | 5 |
| 2010 to October 18, 2016 | 8 | 9 |
| October 19, 2016 to 2019 | 9 | 2 |
| 2020s | 25 | 12 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began January 2016, Archived.
Show all 17 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.4 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Jan 1, 2016 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Jan 1, 2015 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Jan 1, 2014 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8.7 pCi/L, federal limit 5 pCi/L (1.7 times the limit)
|
Jan 1, 2013 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Jan 1, 2012 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
Jan 1, 2011 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.4 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Jan 1, 2010 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Jan 1, 2009 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Oct 1, 2008 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Jul 1, 2008 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Apr 1, 2008 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Jan 1, 2008 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Oct 1, 2007 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.5 pCi/L, federal limit 5 pCi/L (1.9 times the limit)
|
Apr 1, 2007 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.5 pCi/L, federal limit 5 pCi/L (1.9 times the limit)
|
Jan 1, 2007 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Jan 1, 2004 | Archived |
Enforcement actions
Colorado regulators and EPA took 5 formal enforcement actions against North Holbrook WC between 1994 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) | 47 violations (46 health-based): Combined Radium (-226 and -228) |
| Jan 4, 2018 | Colorado | Compliance order (no penalty) | 17 violations (17 health-based): Combined Radium (-226 and -228) |
| Jan 16, 2009 | Colorado | Compliance order (no penalty) | 16 violations (16 health-based): Combined Radium (-226 and -228) |
| Jun 6, 2000 | EPA | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Oct 12, 1994 | EPA | Compliance order (no penalty) | 1 violation: Nitrate |
What the violations mean
Combined Radium (-226 and -228)
34 incidentsTest 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.
Groundwater Rule
1 incidentThe 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 this violation.
Where the water comes from
North Holbrook WC draws water from 1 well.
Annual water quality report
North Holbrook WC 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 North Holbrook WC 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.
Certified drinking water labs by state EPA guidance for private wells