B70/100
GREEN VALLEY SUD — Water Quality Report 2026
Serving 52,497 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX0940020
Violations
20
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 484.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – September 16, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – July 31, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 25, 2024 – May 15, 2025Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 28, 2023 – October 4, 2023Rule: Consumer Confidence 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 GREEN VALLEY SUD
Is GREEN VALLEY SUD water safe to drink?
GREEN VALLEY SUD water receives a grade of B (70/100), 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 GREEN VALLEY SUD detected?
69 contaminants were tested in GREEN VALLEY SUD's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does GREEN VALLEY SUD have any EPA violations?
Yes, GREEN VALLEY SUD has 20 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MON, MR. 1 are health-based violations.
How many people does GREEN VALLEY SUD serve?
GREEN VALLEY SUD serves approximately 52,497 people, Texas.
What type of water does GREEN VALLEY SUD provide?
GREEN VALLEY 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 TX0940020.
How does GREEN VALLEY SUD compare to other utilities in Texas?
GREEN VALLEY SUD scores 70/100 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.