Public water system record
Dillon Valley District
Serves an area of Summit County, CO · 3,063 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for Dillon Valley District 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
- 3
Key facts
- Dillon Valley District draws water from 2 surface water intakes.
- Record on file since 1994, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 435 service lines.
Check whether Dillon Valley District 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 |
|---|---|---|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2025 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2025 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
Full record since 1994
EPA's records for Dillon Valley District go back to 1994. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2020s | 0 | 3 |
Where the water comes from
Dillon Valley District draws water from 2 surface water intakes. It also has emergency connections to Town of Dillon and Town of Silverthorne. 1 other public water system has an emergency connection to Dillon Valley District.
Emergency or part-time connections to
- Town of Dillon Dillon, CO
- Town of Silverthorne Silverthorne, CO
Annual water quality report
Dillon Valley District 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