B71/100
THOMAS — Water Quality Report 2026
Serving 1,238 people · Oklahoma
Water Source
Groundwater
County
—
System ID
OK2002001
Violations
26
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 THOMAS
Is THOMAS water safe to drink?
THOMAS water receives a grade of B (71/100), which is considered good. Out of 27 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has THOMAS detected?
27 contaminants were tested in THOMAS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does THOMAS have any EPA violations?
Yes, THOMAS has 26 EPA violation(s) on record, with the most recent in 2018. Violation types include MON, MR.
How many people does THOMAS serve?
THOMAS serves approximately 1,238 people, Oklahoma.
What type of water does THOMAS provide?
THOMAS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OK2002001.
How does THOMAS compare to other utilities in Oklahoma?
THOMAS scores 71/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Oklahoma state page for a full comparison of water systems.