A91/100
DENTON COUNTY FWSD 11-A — Water Quality Report 2026
Serving 5,160 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX0610259
Violations
6
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 2015.
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 DENTON COUNTY FWSD 11-A
Is DENTON COUNTY FWSD 11-A water safe to drink?
DENTON COUNTY FWSD 11-A water receives a grade of A (91/100), which is considered excellent. Out of 34 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has DENTON COUNTY FWSD 11-A detected?
34 contaminants were tested in DENTON COUNTY FWSD 11-A's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DENTON COUNTY FWSD 11-A have any EPA violations?
Yes, DENTON COUNTY FWSD 11-A has 6 EPA violation(s) on record, with the most recent in 2015. Violation types include Other, MR.
How many people does DENTON COUNTY FWSD 11-A serve?
DENTON COUNTY FWSD 11-A serves approximately 5,160 people, Texas.
What type of water does DENTON COUNTY FWSD 11-A provide?
DENTON COUNTY FWSD 11-A 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 TX0610259.
How does DENTON COUNTY FWSD 11-A compare to other utilities in Texas?
DENTON COUNTY FWSD 11-A scores 91/100 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.