A81/100
SANTO SUD — Water Quality Report 2026
Serving 3,546 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1820010
Violations
11
Contaminant Test Results
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2025 – June 30, 2025Rule: Total Coliform RuleEnforcement: 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: May 1, 2025 – May 31, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 2, 2024 – September 11, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: March 1, 2022 – July 29, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – June 13, 2022Enforcement: 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 SANTO SUD
Is SANTO SUD water safe to drink?
SANTO SUD water receives a grade of A (81/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SANTO SUD detected?
1 contaminants were tested in SANTO SUD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SANTO SUD have any EPA violations?
Yes, SANTO SUD has 11 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, Other, MCL. 2 are health-based violations.
How many people does SANTO SUD serve?
SANTO SUD serves approximately 3,546 people, Texas.
What type of water does SANTO SUD provide?
SANTO 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 TX1820010.
How does SANTO SUD compare to other utilities in Texas?
SANTO SUD scores 81/100 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.