Public water system record
Mustang SUD
Serves an area of Denton County, Grayson County and 1 more county, TX that includes Celina, Gunter, Cross Roads and 7 more places · 110,826 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Mustang SUD 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
- 4
Key facts
- Mustang SUD draws water from 11 wells (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1991, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 46 unknown out of 31,510 service lines.
Check whether Mustang SUD 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, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Sep 6, 2020 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
Full record since 1991
EPA's records for Mustang SUD go back to 1991. Before October 19, 2016 they list no health-based violations and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 0 | 5 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 3 |
Where the water comes from
Mustang SUD draws water from 11 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Utrwd Regional Water Treatment Plant.
Buys water from
- Utrwd Regional Water Treatment Plant Lewisville, TX
Annual water quality report
Mustang SUD 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