Public water system record
Hidalgo County MUD 1
Serves Perezville and Palmview, Hidalgo County, TX · 8,420 people served
Federal records show no health-based violations and 10 monitoring/reporting issues for Hidalgo County MUD 1 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
- 10
Key facts
- Hidalgo County MUD 1 draws water from 2 surface water intakes (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order with a penalty by Texas, April 2012.
- Record on file since 1991, with 10 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 3,191 service lines.
Check whether Hidalgo County MUD 1 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
|
Mar 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2017 | Resolved |
|
Public Notice
OTHER
|
Aug 12, 2011 |
Active
Enforcement action in place
|
Full record since 1991
EPA's records for Hidalgo County MUD 1 go back to 1991. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 15 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 2 |
| 2000s | 8 | 4 |
| 2010 to October 18, 2016 | 2 | 9 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 8 |
Most recent health-based violation before October 19, 2016: Total Coliform, began June 2011, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Apr 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.131 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
Jan 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
Jan 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.141 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
|
Oct 1, 2004 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
|
Oct 1, 2004 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.11 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
Jul 1, 2004 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Apr 1, 2004 | Resolved |
Enforcement actions
Texas regulators took 2 formal enforcement actions against Hidalgo County MUD 1 between 2005 and 2012. The most recent was a compliance order with a penalty in April 2012.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 4, 2012 | Texas | Compliance order with a penalty | 3 violations (2 health-based): Total Coliform, Public Notice |
| Oct 10, 2005 | Texas | Compliance order with a penalty | 7 violations (7 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
Where the water comes from
Hidalgo County MUD 1 draws water from 2 surface water intakes (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Hidalgo County MUD 1 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 Texas.
Certified drinking water labs by state EPA guidance for private wells