A92/100
CITY OF WALLIS — Water Quality Report 2026
Serving 1,292 people · Texas
Water Source
Groundwater
County
—
System ID
TX0080015
Violations
8
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: December 1, 2021Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 WALLIS
Is CITY OF WALLIS water safe to drink?
CITY OF WALLIS water receives a grade of A (92/100), which is considered excellent. Out of 8 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF WALLIS detected?
8 contaminants were tested in CITY OF WALLIS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF WALLIS have any EPA violations?
Yes, CITY OF WALLIS has 8 EPA violation(s) on record, with the most recent in 2021. Violation types include Other, MR, MON.
How many people does CITY OF WALLIS serve?
CITY OF WALLIS serves approximately 1,292 people, Texas.
What type of water does CITY OF WALLIS provide?
CITY OF WALLIS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX0080015.
How does CITY OF WALLIS compare to other utilities in Texas?
CITY OF WALLIS scores 92/100 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.