B75/100
CITY OF LANCASTER — Water Quality Report 2026
Serving 40,449 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX0570013
Violations
9
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – October 31, 2023Enforcement: 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 LANCASTER
Is CITY OF LANCASTER water safe to drink?
CITY OF LANCASTER water receives a grade of B (75/100), which is considered good. Out of 76 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF LANCASTER detected?
76 contaminants were tested in CITY OF LANCASTER's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF LANCASTER have any EPA violations?
Yes, CITY OF LANCASTER has 9 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MR, MCL. 4 are health-based violations.
How many people does CITY OF LANCASTER serve?
CITY OF LANCASTER serves approximately 40,449 people, Texas.
What type of water does CITY OF LANCASTER provide?
CITY OF LANCASTER 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 TX0570013.
How does CITY OF LANCASTER compare to other utilities in Texas?
CITY OF LANCASTER scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Texas state page for a full comparison of water systems.