D38/100
OZARK PWS — Water Quality Report 2026
Serving 22,000 people · Missouri
Water Source
Groundwater
County
—
System ID
MO5010619
Violations
15
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
2
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: October 1, 2024 – January 23, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – November 29, 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 OZARK PWS
Is OZARK PWS water safe to drink?
OZARK PWS water receives a grade of D (38/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 15 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has OZARK PWS detected?
66 contaminants were tested in OZARK PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does OZARK PWS have any EPA violations?
Yes, OZARK PWS has 15 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, Other, MCL. 11 are health-based violations.
How many people does OZARK PWS serve?
OZARK PWS serves approximately 22,000 people, Missouri. The system provides water to 1 community: Ozark.
What type of water does OZARK PWS provide?
OZARK PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO5010619.
How does OZARK PWS compare to other utilities in Missouri?
OZARK PWS scores 38/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Missouri state page for a full comparison of water systems.