Public water system record

City of Dilley

Serves Dilley and Hilltop, Frio County, TX · 4,505 people served

Federal records show 2 health-based violations and 13 monitoring/reporting issues for City of Dilley in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • TX0820001
  • DILLEY
  • TX
  • 4,505 served

System profile

Source water Groundwater
ZIP 78017
EPA system ID TX0820001

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
1
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
13

Key facts

  • City of Dilley draws water from 3 wells.
  • Record on file since 1992, with 0 health-based violations before October 19, 2016.

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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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No
Revised Total Coliform Rule
Treatment technique failure
110 Feb 24, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Public Notice
OTHER
May 1, 2025 Resolved
Public Notice
OTHER
Oct 28, 2024 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active
Consumer Confidence Rule
OTHER
Jul 2, 2024 Active
Public Notice
OTHER
Apr 14, 2024 Resolved
E. coli
Monitoring and reporting
Aug 24, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2014 Resolved

Full record since 1992

EPA's records for City of Dilley go back to 1992. Before October 19, 2016 they list no health-based violations and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 3
2000s 0 1
2010 to October 18, 2016 0 3
October 19, 2016 to 2019 0 4
2020s 2 8

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

City of Dilley draws water from 3 wells. 3 smaller public systems such as schools, businesses or campgrounds buy water from City of Dilley.

Annual water quality report

City of Dilley 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.