F0/100

CITY OF JOAQUIN — Water Quality Report 2026

Serving 1,620 people · Texas

Water Source

Purchased Surface Water

County

—

System ID

TX2100010

Violations

Contaminant Test Results

1 contaminant above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
Lead (90th percentile)	0.003 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: May 15, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Reporting violation

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

When: October 17, 2024 – April 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – April 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2024 – September 20, 2024Enforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: November 1, 2023 – December 19, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: October 1, 2023 – December 19, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring / Reporting Violation

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

When: December 30, 2022 – January 26, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring Violation

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

When: October 1, 2022 – October 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring Violation

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

When: September 1, 2022 – September 30, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: April 15, 2022 – December 19, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 2Unresolved

Monitoring violation

When: February 2, 2022Rule: Total Coliform RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: January 30, 2022 – March 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring / Reporting Violation

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

When: December 30, 2021 – February 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: October 2, 2021 – November 19, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed to issue ongoing public notification

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

When: October 1, 2021 – October 21, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

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 JOAQUIN

Is CITY OF JOAQUIN water safe to drink?

CITY OF JOAQUIN water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 54 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has CITY OF JOAQUIN detected?

1 contaminants were tested in CITY OF JOAQUIN's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does CITY OF JOAQUIN have any EPA violations?

Yes, CITY OF JOAQUIN has 54 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 20 are health-based violations.

How many people does CITY OF JOAQUIN serve?

CITY OF JOAQUIN serves approximately 1,620 people, Texas.

What type of water does CITY OF JOAQUIN provide?

CITY OF JOAQUIN 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 TX2100010.

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

CITY OF JOAQUIN 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.