A91/100
COLE COUNTY PWSD 1 — Water Quality Report 2026
Serving 16,548 people · Missouri
Water Source
Groundwater
County
—
System ID
MO3024159
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2006.
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 COLE COUNTY PWSD 1
Is COLE COUNTY PWSD 1 water safe to drink?
COLE COUNTY PWSD 1 water receives a grade of A (91/100), which is considered excellent. Out of 63 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has COLE COUNTY PWSD 1 detected?
63 contaminants were tested in COLE COUNTY PWSD 1's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COLE COUNTY PWSD 1 have any EPA violations?
Yes, COLE COUNTY PWSD 1 has 2 EPA violation(s) on record, with the most recent in 2006. Violation types include Other, MCL. 1 are health-based violations.
How many people does COLE COUNTY PWSD 1 serve?
COLE COUNTY PWSD 1 serves approximately 16,548 people, Missouri. The system provides water to 1 community: Jefferson City.
What type of water does COLE COUNTY PWSD 1 provide?
COLE COUNTY PWSD 1 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO3024159.
How does COLE COUNTY PWSD 1 compare to other utilities in Missouri?
COLE COUNTY PWSD 1 scores 91/100 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.