B67/100
JOHNSON COUNTY SUD — Water Quality Report 2026
Serving 65,517 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1260018
Violations
22
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
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 JOHNSON COUNTY SUD
Is JOHNSON COUNTY SUD water safe to drink?
JOHNSON COUNTY SUD water receives a grade of B (67/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JOHNSON COUNTY SUD detected?
69 contaminants were tested in JOHNSON COUNTY SUD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does JOHNSON COUNTY SUD have any EPA violations?
Yes, JOHNSON COUNTY SUD has 22 EPA violation(s) on record, with the most recent in 2021. Violation types include MON, MR, Other. 2 are health-based violations.
How many people does JOHNSON COUNTY SUD serve?
JOHNSON COUNTY SUD serves approximately 65,517 people, Texas.
What type of water does JOHNSON COUNTY SUD provide?
JOHNSON COUNTY SUD 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 TX1260018.
How does JOHNSON COUNTY SUD compare to other utilities in Texas?
JOHNSON COUNTY SUD scores 67/100 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.