B77/100
SHADY GROVE SUD — Water Quality Report 2026
Serving 3,216 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1160042
Violations
15
Contaminant Test Results
EPA Violation History
7
Violations (last 5yr)
4
Unresolved
1
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: May 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2024 – February 5, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Treatment technique violation
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: July 1, 2023Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2022 – June 30, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: October 1, 2021 – November 16, 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 SHADY GROVE SUD
Is SHADY GROVE SUD water safe to drink?
SHADY GROVE SUD water receives a grade of B (77/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SHADY GROVE SUD detected?
1 contaminants were tested in SHADY GROVE SUD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SHADY GROVE SUD have any EPA violations?
Yes, SHADY GROVE SUD has 15 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, RPT. 2 are health-based violations.
How many people does SHADY GROVE SUD serve?
SHADY GROVE SUD serves approximately 3,216 people, Texas.
What type of water does SHADY GROVE SUD provide?
SHADY GROVE 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 TX1160042.
How does SHADY GROVE SUD compare to other utilities in Texas?
SHADY GROVE SUD scores 77/100 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.