A83/100
CITY OF LEANDER — Water Quality Report 2026
Serving 98,330 people · Texas
Water Source
Surface Water
County
—
System ID
TX2460012
Violations
10
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 706.00 µg/L | — | Above Goal |
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: January 18, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – July 9, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – July 9, 2025Rule: 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 CITY OF LEANDER
Is CITY OF LEANDER water safe to drink?
CITY OF LEANDER water receives a grade of A (83/100), 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 CITY OF LEANDER detected?
69 contaminants were tested in CITY OF LEANDER's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF LEANDER have any EPA violations?
Yes, CITY OF LEANDER has 10 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MON. 1 are health-based violations.
How many people does CITY OF LEANDER serve?
CITY OF LEANDER serves approximately 98,330 people, Texas.
What type of water does CITY OF LEANDER provide?
CITY OF LEANDER 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 TX2460012.
How does CITY OF LEANDER compare to other utilities in Texas?
CITY OF LEANDER scores 83/100 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.