B72/100
CITY OF LONE STAR — Water Quality Report 2026
Serving 1,400 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1720005
Violations
20
Contaminant Test Results
EPA Violation History
6
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: May 1, 2025 – August 24, 2025Rule: 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: November 1, 2024 – November 30, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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
Surface water treatment technique failure
When: July 1, 2024 – August 20, 2025Enforcement: 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 4, 2023Rule: 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 LONE STAR
Is CITY OF LONE STAR water safe to drink?
CITY OF LONE STAR water receives a grade of B (72/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF LONE STAR detected?
1 contaminants were tested in CITY OF LONE STAR's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF LONE STAR have any EPA violations?
Yes, CITY OF LONE STAR has 20 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MON, RPT. 2 are health-based violations.
How many people does CITY OF LONE STAR serve?
CITY OF LONE STAR serves approximately 1,400 people, Texas.
What type of water does CITY OF LONE STAR provide?
CITY OF LONE STAR 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 TX1720005.
How does CITY OF LONE STAR compare to other utilities in Texas?
CITY OF LONE STAR scores 72/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Texas state page for a full comparison of water systems.