Public water system record
Highlands Ranch WSD
Serves Highlands Ranch, Douglas County, CO · 103,444 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Highlands Ranch 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
- 4
Key facts
- Highlands Ranch WSD draws water from 52 wells, 2 surface water intakes and 1 reservoir (50 of them for emergency, seasonal or other part-time use).
- Lead pipe inventory: 0 lead and 0 unknown out of 42,300 service lines.
Check whether Highlands Ranch 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 |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Turbidity
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
Where the water comes from
Highlands Ranch WSD draws water from 52 wells, 2 surface water intakes and 1 reservoir (50 of them for emergency, seasonal or other part-time use). It also buys water from Wise Project. It also has an emergency connection to Denver Water Board. 2 other community water systems buy water from Highlands Ranch WSD. 1 other public water system has an interim connection to Highlands Ranch WSD.
Buys water from
- Wise Project Greenwood Village, CO
Emergency or part-time connections to
- Denver Water Board Denver, CO
Community systems that buy water from it
- Northern Douglas County WSD Greenwood Village, CO
- Roxborough NW Douglas County Littleton, CO
Annual water quality report
Highlands Ranch 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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