F0/100

CITY OF DUBLIN — Water Quality Report 2026

Serving 3,388 people · Texas

Water Source

Purchased Surface Water

County

—

System ID

TX0720001

Violations

Contaminant Test Results

2 contaminants above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
PFOS	0.010 µg/L	0.004 µg/L	0 µg/L	Over Limit
Lead (90th percentile)	0.004 mg/L	0.015 mg/L	0 mg/L	Above Goal

EPA Violation History

Violations (last 5yr)

Unresolved

Health-Related

TIER 3Unresolved

Disinfection byproduct treatment technique failure

When: June 30, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Unresolved

Reporting violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 2Unresolved

Treatment technique violation

When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: September 19, 2024 – November 1, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: May 22, 2024 – July 9, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: April 3, 2024 – July 9, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued

TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: August 9, 2023 – September 20, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 26, 2023 – September 14, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: May 9, 2023 – September 20, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About CITY OF DUBLIN

Is CITY OF DUBLIN water safe to drink?

CITY OF DUBLIN water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 59 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has CITY OF DUBLIN detected?

51 contaminants were tested in CITY OF DUBLIN's water. Notable contaminants include PFOS, Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does CITY OF DUBLIN have any EPA violations?

Yes, CITY OF DUBLIN has 59 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 15 are health-based violations.

How many people does CITY OF DUBLIN serve?

CITY OF DUBLIN serves approximately 3,388 people, Texas.

What type of water does CITY OF DUBLIN provide?

CITY OF DUBLIN sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX0720001.

How does CITY OF DUBLIN compare to other utilities in Texas?

CITY OF DUBLIN scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.