Public water system record

City of San Juan

Serves San Juan, Hidalgo County, TX · 30,000 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for City of San Juan in the last ten years.

  • TX1080010
  • SAN JUAN
  • TX
  • 30,000 served

System profile

Source water Surface water
ZIP 78589
EPA system ID TX1080010

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
3

Key facts

  • City of San Juan draws water from 1 well and 2 surface water intakes.
  • Record on file since 1996, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 81 unknown out of 7,787 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Chlorite
Monitoring and reporting
Sep 1, 2017 Resolved
Public Notice
OTHER
Feb 3, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2016 Resolved

Full record since 1996

EPA's records for City of San Juan go back to 1996. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 9 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 4 0
2000s 0 2
2010 to October 18, 2016 0 7
October 19, 2016 to 2019 0 2

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 1996, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
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

Where the water comes from

City of San Juan draws water from 1 well and 2 surface water intakes. It also has emergency connections to North Alamo WSC and City of Alamo.

Emergency or part-time connections to

Annual water quality report

City of San Juan 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.