A98/100
JOHNSON COUNTY PWSD 3 — Water Quality Report 2026
Serving 4,700 people · Missouri
Water Source
Groundwater
County
—
System ID
MO1024311
Violations
2
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
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 JOHNSON COUNTY PWSD 3
Is JOHNSON COUNTY PWSD 3 water safe to drink?
JOHNSON COUNTY PWSD 3 water receives a grade of A (98/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has JOHNSON COUNTY PWSD 3 detected?
31 contaminants were tested in JOHNSON COUNTY PWSD 3's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does JOHNSON COUNTY PWSD 3 have any EPA violations?
Yes, JOHNSON COUNTY PWSD 3 has 2 EPA violation(s) on record, with the most recent in 2008. Violation types include MR.
How many people does JOHNSON COUNTY PWSD 3 serve?
JOHNSON COUNTY PWSD 3 serves approximately 4,700 people, Missouri. The system provides water to 1 community: Warrensburg.
What type of water does JOHNSON COUNTY PWSD 3 provide?
JOHNSON COUNTY PWSD 3 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO1024311.
How does JOHNSON COUNTY PWSD 3 compare to other utilities in Missouri?
JOHNSON COUNTY PWSD 3 scores 98/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Missouri state page for a full comparison of water systems.