B63/100
CITY OF MIDLOTHIAN — Water Quality Report 2026
Serving 27,699 people · Texas
Water Source
Surface Water
County
—
System ID
TX0700005
Violations
15
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 600.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 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: February 7, 2022 – June 1, 2021Rule: 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 MIDLOTHIAN
Is CITY OF MIDLOTHIAN water safe to drink?
CITY OF MIDLOTHIAN water receives a grade of B (63/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CITY OF MIDLOTHIAN detected?
69 contaminants were tested in CITY OF MIDLOTHIAN's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does CITY OF MIDLOTHIAN have any EPA violations?
Yes, CITY OF MIDLOTHIAN has 15 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR, MCL. 4 are health-based violations.
How many people does CITY OF MIDLOTHIAN serve?
CITY OF MIDLOTHIAN serves approximately 27,699 people, Texas.
What type of water does CITY OF MIDLOTHIAN provide?
CITY OF MIDLOTHIAN 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 TX0700005.
How does CITY OF MIDLOTHIAN compare to other utilities in Texas?
CITY OF MIDLOTHIAN scores 63/100 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.