A92/100
MONTGOMERY COUNTY UD 4 — Water Quality Report 2026
Serving 4,980 people · Texas
Water Source
Groundwater
County
—
System ID
TX1700286
Violations
2
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 646.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 MONTGOMERY COUNTY UD 4
Is MONTGOMERY COUNTY UD 4 water safe to drink?
MONTGOMERY COUNTY UD 4 water receives a grade of A (92/100), which is considered excellent. Out of 51 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MONTGOMERY COUNTY UD 4 detected?
51 contaminants were tested in MONTGOMERY COUNTY UD 4's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does MONTGOMERY COUNTY UD 4 have any EPA violations?
Yes, MONTGOMERY COUNTY UD 4 has 2 EPA violation(s) on record, with the most recent in 2016. Violation types include MR.
How many people does MONTGOMERY COUNTY UD 4 serve?
MONTGOMERY COUNTY UD 4 serves approximately 4,980 people, Texas.
What type of water does MONTGOMERY COUNTY UD 4 provide?
MONTGOMERY COUNTY UD 4 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1700286.
How does MONTGOMERY COUNTY UD 4 compare to other utilities in Texas?
MONTGOMERY COUNTY UD 4 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.