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Public water system record

Agua SUD

Serves an area of Hidalgo County, TX that includes Penitas, Palmview, Doffing and 9 more places · 52,137 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Agua SUD in the last ten years. The most serious issue in this window was a resolved Chlorite violation.

  • TX1080022
  • MISSION
  • TX
  • 52,137 served

System profile

Source water Surface water
ZIP 78573
EPA system ID TX1080022

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • Agua SUD draws water from 3 wells and 3 surface water intakes (3 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Chlorite, 1.3 mg/L, federal limit 1 mg/L (1.3 times the limit), 2023.
  • Record on file since 1991, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 17,689 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Chlorite
Contaminant limit exceeded
Measured 1.3 mg/L, federal limit 1 mg/L (1.3 times the limit)
 210 Mar 1, 2023 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2025 Active

Full record since 1991

EPA's records for Agua SUD go back to 1991. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 6 1
2000s 0 3
2010 to October 18, 2016 4 2
2020s 1 1

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2015, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Apr 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Oct 1, 1997 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Apr 1, 1997 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Oct 1, 1996 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Jul 1, 1996 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Apr 1, 1996 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Jan 1, 1996 Resolved

What the violations mean

Chlorite

1 incident

Test results for Chlorite were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about this violation.

Where the water comes from

Agua SUD draws water from 3 wells and 3 surface water intakes (3 of them for emergency, seasonal or other part-time use). 2 other public water systems have emergency connections to Agua SUD.

Annual water quality report

Agua 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