A87/100
TOWN OF ADDISON — Water Quality Report 2026
Serving 17,257 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX0570031
Violations
6
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
No violations in the past 5 years
Full EPA compliance since 2021.
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 TOWN OF ADDISON
Is TOWN OF ADDISON water safe to drink?
TOWN OF ADDISON water receives a grade of A (87/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has TOWN OF ADDISON detected?
69 contaminants were tested in TOWN OF ADDISON's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TOWN OF ADDISON have any EPA violations?
Yes, TOWN OF ADDISON has 6 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL, Other. 1 are health-based violations.
How many people does TOWN OF ADDISON serve?
TOWN OF ADDISON serves approximately 17,257 people, Texas.
What type of water does TOWN OF ADDISON provide?
TOWN OF ADDISON 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 TX0570031.
How does TOWN OF ADDISON compare to other utilities in Texas?
TOWN OF ADDISON scores 87/100 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.