B61/100
Midlothian Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 72,423 residents · Texas
What's In Midlothian's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
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
Water Utility Details
CITY OF MIDLOTHIAN
Population Served
27,699
Water Source
Surface Water
System ID
TX0700005
SARDIS LONE ELM WSC
Population Served
20,736
Water Source
Purchased Surface Water
System ID
TX0700034
MOUNTAIN PEAK SUD
Population Served
23,988
Water Source
Purchased Surface Water
System ID
TX0700042
Frequently Asked Questions About Midlothian Water
Is Midlothian tap water safe to drink?
Midlothian, Texas tap water receives a grade of B (61/100), which is considered good. Out of 72 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Midlothian's water?
Of the 72 contaminants tested in Midlothian's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Midlothian have any water quality violations?
Yes, Midlothian has 53 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR, MCL. 12 of these are health-based violations, which are the most serious category.
Do I need a water filter in Midlothian?
Midlothian water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 2 contaminant(s) exceed these stricter goals.
Where does Midlothian's tap water come from?
Midlothian's drinking water is sourced from surface water and supplied by CITY OF MIDLOTHIAN and 2 other water system(s). The system serves approximately 72,423 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Midlothian's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Midlothian's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Midlothian's water compare to other cities in Texas?
Midlothian's water quality score of 61/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Texas state page to see how all cities in the state compare.
What should I do if I'm concerned about Midlothian's water quality?
If you have concerns about Midlothian's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CITY OF MIDLOTHIAN) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.