A84/100
DENTON COUNTY FWSD 7 — Water Quality Report 2026
Serving 13,325 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX0610228
Violations
13
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: January 30, 2022 – May 3, 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 DENTON COUNTY FWSD 7
Is DENTON COUNTY FWSD 7 water safe to drink?
DENTON COUNTY FWSD 7 water receives a grade of A (84/100), 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 7 detected?
34 contaminants were tested in DENTON COUNTY FWSD 7's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DENTON COUNTY FWSD 7 have any EPA violations?
Yes, DENTON COUNTY FWSD 7 has 13 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR.
How many people does DENTON COUNTY FWSD 7 serve?
DENTON COUNTY FWSD 7 serves approximately 13,325 people, Texas.
What type of water does DENTON COUNTY FWSD 7 provide?
DENTON COUNTY FWSD 7 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 TX0610228.
How does DENTON COUNTY FWSD 7 compare to other utilities in Texas?
DENTON COUNTY FWSD 7 scores 84/100 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.