Public water system record
Greatrock North WSD
Serves an area of Adams County, CO · 1,250 people served
Federal records show no health-based violations and no monitoring or reporting issues for Greatrock North WSD in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Greatrock North WSD draws water from 8 wells.
- Most recent formal enforcement: compliance order (no penalty) by Colorado, August 2009.
- Record on file since 2002, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 500 service lines.
Check whether Greatrock North WSD 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.
None since October 2016, and no monitoring or reporting violations either.
Full record since 2002
EPA's records for Greatrock North WSD go back to 2002. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 22 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 2 | 21 |
| 2010 to October 18, 2016 | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began April 2008, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2002 | Resolved |
Enforcement actions
Colorado regulators took 1 formal enforcement action against Greatrock North WSD in 2009. The most recent was a compliance order (no penalty) in August 2009.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 31, 2009 | Colorado | Compliance order (no penalty) | 16 violations: Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule |
Where the water comes from
Greatrock North WSD draws water from 8 wells.
Annual water quality report
Greatrock North WSD 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.
Certified drinking water labs by state EPA guidance for private wells