A100/100
JEFFERSON CO PWSD 8 — Water Quality Report 2026
Serving 4,733 people · Missouri
Water Source
Groundwater
County
—
System ID
MO6024300
Violations
0
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
This system has a clean compliance history.
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 JEFFERSON CO PWSD 8
Is JEFFERSON CO PWSD 8 water safe to drink?
JEFFERSON CO PWSD 8 water receives a grade of A (100/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JEFFERSON CO PWSD 8 detected?
31 contaminants were tested in JEFFERSON CO PWSD 8's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does JEFFERSON CO PWSD 8 have any EPA violations?
No, JEFFERSON CO PWSD 8 has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does JEFFERSON CO PWSD 8 serve?
JEFFERSON CO PWSD 8 serves approximately 4,733 people, Missouri. The system provides water to 1 community: Cedar Hill.
What type of water does JEFFERSON CO PWSD 8 provide?
JEFFERSON CO PWSD 8 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO6024300.
How does JEFFERSON CO PWSD 8 compare to other utilities in Missouri?
JEFFERSON CO PWSD 8 scores 100/100 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.