A94/100
CITY OF DENTON — Water Quality Report 2026
Serving 150,037 people · Texas
Water Source
Surface Water
County
—
System ID
TX0610002
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 DENTON
Is CITY OF DENTON water safe to drink?
CITY OF DENTON water receives a grade of A (94/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CITY OF DENTON detected?
76 contaminants were tested in CITY OF DENTON's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF DENTON have any EPA violations?
Yes, CITY OF DENTON has 3 EPA violation(s) on record, with the most recent in 2018. Violation types include MON, MR.
How many people does CITY OF DENTON serve?
CITY OF DENTON serves approximately 150,037 people, Texas.
What type of water does CITY OF DENTON provide?
CITY OF DENTON sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX0610002.
How does CITY OF DENTON compare to other utilities in Texas?
CITY OF DENTON scores 94/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Texas state page for a full comparison of water systems.