Public water system record
City of the Colony
Serves The Colony, Denton County, TX · 45,367 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for City of the Colony 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
- 2
Key facts
- City of the Colony draws water from 5 wells.
- Record on file since 1991, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 14,726 service lines.
Check whether City of the Colony 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
|
Oct 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2016 | Resolved |
Full record since 1991
EPA's records for City of the Colony go back to 1991. Before October 19, 2016 they list 2 health-based violations (2 archived by EPA without a recorded fix) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 1 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began May 1992, Archived.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1992 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1991 | Archived |
Where the water comes from
City of the Colony draws water from 5 wells. It also buys water from Dallas Water Utility and City of Plano.
Buys water from
- Dallas Water Utility Dallas, TX
- City of Plano Plano, TX
Annual water quality report
City of the Colony 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 Texas.
Certified drinking water labs by state EPA guidance for private wells