C45/100
SEBASTIAN MUD — Water Quality Report 2026
Serving 1,884 people · Texas
Water Source
Surface Water
County
—
System ID
TX2450006
Violations
39
Contaminant Test Results
EPA Violation History
5
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: May 1, 2025 – June 30, 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 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – July 31, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: August 1, 2021 – September 17, 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 SEBASTIAN MUD
Is SEBASTIAN MUD water safe to drink?
SEBASTIAN MUD water receives a grade of C (45/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 39 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SEBASTIAN MUD detected?
31 contaminants were tested in SEBASTIAN MUD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SEBASTIAN MUD have any EPA violations?
Yes, SEBASTIAN MUD has 39 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 4 are health-based violations.
How many people does SEBASTIAN MUD serve?
SEBASTIAN MUD serves approximately 1,884 people, Texas.
What type of water does SEBASTIAN MUD provide?
SEBASTIAN MUD sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX2450006.
How does SEBASTIAN MUD compare to other utilities in Texas?
SEBASTIAN MUD scores 45/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Texas state page for a full comparison of water systems.