B68/100
MARIETTA PWA — Water Quality Report 2026
Serving 2,626 people · Oklahoma
Water Source
Groundwater
County
—
System ID
OK2004301
Violations
13
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 MARIETTA PWA
Is MARIETTA PWA water safe to drink?
MARIETTA PWA water receives a grade of B (68/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MARIETTA PWA detected?
1 contaminants were tested in MARIETTA PWA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MARIETTA PWA have any EPA violations?
Yes, MARIETTA PWA has 13 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, MCL. 4 are health-based violations.
How many people does MARIETTA PWA serve?
MARIETTA PWA serves approximately 2,626 people, Oklahoma.
What type of water does MARIETTA PWA provide?
MARIETTA PWA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OK2004301.
How does MARIETTA PWA compare to other utilities in Oklahoma?
MARIETTA PWA scores 68/100 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.