Public water system record
Thornton Estates
On record as serving Thornton, Adams County, CO · Serves 300 people
Federal records show no health-based violations and 1 monitoring/reporting issue for Thornton Estates in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Thornton Estates buys its water from City of Thornton.
- Most recent enforcement action: boil water order by Colorado, August 2022.
- Lead pipe inventory: 0 lead and 0 unknown out of 208 service lines.
Check whether Thornton Estates 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
|
Jan 1, 2026 | Active |
Enforcement actions
Colorado regulators issued 2 boil water orders to Thornton Estates between 2021 and 2022. The most recent was a boil water order in August 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 6, 2022 | Colorado | Boil water order | 1 violation |
| Feb 15, 2021 | Colorado | Boil water order | 1 violation |
Where the water comes from
Thornton Estates buys its water from City of Thornton. It lists no wells or intakes of its own.
Buys water from
- City of Thornton Thornton, CO
Annual water quality report
Thornton Estates 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 Thornton Estates 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