F0/100
CITY OF SEMINOLE — Water Quality Report 2026
Serving 7,386 people · Texas
Water Source
Groundwater
County
—
System ID
TX0830012
Violations
149
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
6
Violations (last 5yr)
1
Unresolved
1
Health-Related
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 – April 14, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – October 31, 2023Enforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: February 1, 2023Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Enforcement: 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: January 1, 2022 – January 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: July 29, 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 CITY OF SEMINOLE
Is CITY OF SEMINOLE water safe to drink?
CITY OF SEMINOLE water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 149 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF SEMINOLE detected?
31 contaminants were tested in CITY OF SEMINOLE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF SEMINOLE have any EPA violations?
Yes, CITY OF SEMINOLE has 149 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 121 are health-based violations.
How many people does CITY OF SEMINOLE serve?
CITY OF SEMINOLE serves approximately 7,386 people, Texas.
What type of water does CITY OF SEMINOLE provide?
CITY OF SEMINOLE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX0830012.
How does CITY OF SEMINOLE compare to other utilities in Texas?
CITY OF SEMINOLE scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.