A84/100
JOHNSON COUNTY PWSD 2 — Water Quality Report 2026
Serving 12,490 people · Missouri
Water Source
Groundwater
County
—
System ID
MO1024310
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 2
Is JOHNSON COUNTY PWSD 2 water safe to drink?
JOHNSON COUNTY PWSD 2 water receives a grade of A (84/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JOHNSON COUNTY PWSD 2 detected?
66 contaminants were tested in JOHNSON COUNTY PWSD 2's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does JOHNSON COUNTY PWSD 2 have any EPA violations?
Yes, JOHNSON COUNTY PWSD 2 has 9 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, MCL. 1 are health-based violations.
How many people does JOHNSON COUNTY PWSD 2 serve?
JOHNSON COUNTY PWSD 2 serves approximately 12,490 people, Missouri. The system provides water to 1 community: Holden.
What type of water does JOHNSON COUNTY PWSD 2 provide?
JOHNSON COUNTY PWSD 2 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO1024310.
How does JOHNSON COUNTY PWSD 2 compare to other utilities in Missouri?
JOHNSON COUNTY PWSD 2 scores 84/100 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.