Public water system record

Harlingen Water Works System

Serves Harlingen, Arroyo Colorado Estates, Las Palmas II and 1 more place, Cameron County, TX · 85,900 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Harlingen Water Works System in the last ten years.

  • TX0310002
  • HARLINGEN
  • TX
  • 85,900 served

System profile

Source water Surface water
ZIP 78550
EPA system ID TX0310002

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
1

Key facts

  • Harlingen Water Works System draws water from 2 surface water intakes.
  • Record on file since 1993, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 11,867 unknown out of 29,521 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
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2020 Resolved

Full record since 1993

EPA's records for Harlingen Water Works System go back to 1993. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 2
2020s 0 1

Where the water comes from

Harlingen Water Works System draws water from 2 surface water intakes. 5 other community water systems buy water from Harlingen Water Works System. 2 other public water systems have emergency connections to Harlingen Water Works System.

Community systems that buy water from it

Annual water quality report

Harlingen Water Works System 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.