A94/100
CASS COUNTY PWSD 11 — Water Quality Report 2026
Serving 1,948 people · Missouri
Water Source
Purchased Groundwater
County
—
System ID
MO1021082
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2023 – April 4, 2024Rule: Ground Water 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 CASS COUNTY PWSD 11
Is CASS COUNTY PWSD 11 water safe to drink?
CASS COUNTY PWSD 11 water receives a grade of A (94/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CASS COUNTY PWSD 11 detected?
1 contaminants were tested in CASS COUNTY PWSD 11's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CASS COUNTY PWSD 11 have any EPA violations?
Yes, CASS COUNTY PWSD 11 has 3 EPA violation(s) on record, with the most recent in 2023. Violation types include MR.
How many people does CASS COUNTY PWSD 11 serve?
CASS COUNTY PWSD 11 serves approximately 1,948 people, Missouri.
What type of water does CASS COUNTY PWSD 11 provide?
CASS COUNTY PWSD 11 sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO1021082.
How does CASS COUNTY PWSD 11 compare to other utilities in Missouri?
CASS COUNTY PWSD 11 scores 94/100 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.