D22/100
LAKE OZARK PWS — Water Quality Report 2026
Serving 2,007 people · Missouri
Water Source
Groundwater
County
—
System ID
MO3010441
Violations
30
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – October 31, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – November 1, 2023Enforcement: 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: November 1, 2022 – November 30, 2022Rule: Total Coliform 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 LAKE OZARK PWS
Is LAKE OZARK PWS water safe to drink?
LAKE OZARK PWS water receives a grade of D (22/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 30 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LAKE OZARK PWS detected?
1 contaminants were tested in LAKE OZARK PWS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does LAKE OZARK PWS have any EPA violations?
Yes, LAKE OZARK PWS has 30 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, Other, MON. 12 are health-based violations.
How many people does LAKE OZARK PWS serve?
LAKE OZARK PWS serves approximately 2,007 people, Missouri. The system provides water to 1 community: Lake Ozark.
What type of water does LAKE OZARK PWS provide?
LAKE OZARK PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO3010441.
How does LAKE OZARK PWS compare to other utilities in Missouri?
LAKE OZARK PWS scores 22/100 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.