B64/100
CITY OF DESOTO — Water Quality Report 2026
Serving 57,999 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX0570006
Violations
28
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: January 1, 2024 – February 1, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – March 31, 2023Enforcement: 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: December 1, 2022 – December 31, 2022Rule: Total Coliform 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 DESOTO
Is CITY OF DESOTO water safe to drink?
CITY OF DESOTO water receives a grade of B (64/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF DESOTO detected?
69 contaminants were tested in CITY OF DESOTO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF DESOTO have any EPA violations?
Yes, CITY OF DESOTO has 28 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, MON. 2 are health-based violations.
How many people does CITY OF DESOTO serve?
CITY OF DESOTO serves approximately 57,999 people, Texas.
What type of water does CITY OF DESOTO provide?
CITY OF DESOTO 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 TX0570006.
How does CITY OF DESOTO compare to other utilities in Texas?
CITY OF DESOTO scores 64/100 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.