Public water system record
Northern Douglas County WSD
Serves Highlands Ranch, Douglas County, CO · 6,160 people served
Federal records show no health-based violations and 5 monitoring/reporting issues for Northern Douglas County 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
- 5
Key facts
- Northern Douglas County WSD buys its water from Highlands Ranch WSD.
- Most recent formal enforcement: compliance order (no penalty) by Colorado, February 2007.
- Record on file since 1997, with 0 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 1,646 service lines.
Check whether Northern Douglas County 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
OTHER
|
Feb 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
Full record since 1997
EPA's records for Northern Douglas County WSD go back to 1997. Before October 20, 2016 they list no health-based violations and 9 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 2 |
| 2000s | 0 | 5 |
| 2010 to October 19, 2016 | 0 | 2 |
| October 20, 2016 to 2019 | 0 | 5 |
Enforcement actions
Colorado regulators took 1 formal enforcement action against Northern Douglas County WSD in 2007. The most recent was a compliance order (no penalty) in February 2007.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 28, 2007 | Colorado | Compliance order (no penalty) | 3 violations: Lead and Copper Rule |
Where the water comes from
Northern Douglas County WSD buys its water from Highlands Ranch WSD. It lists no wells or intakes of its own.
Buys water from
- Highlands Ranch WSD Highlands Ranch, CO
Annual water quality report
Northern Douglas County 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