A92/100
CASS BATES COUNTY PWSD 12 — Water Quality Report 2026
Serving 1,335 people · Missouri
Water Source
Purchased Groundwater
County
—
System ID
MO1021098
Violations
8
Contaminant Test Results
EPA Violation History
5
Violations (last 5yr)
2
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
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: 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 BATES COUNTY PWSD 12
Is CASS BATES COUNTY PWSD 12 water safe to drink?
CASS BATES COUNTY PWSD 12 water receives a grade of A (92/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CASS BATES COUNTY PWSD 12 detected?
1 contaminants were tested in CASS BATES COUNTY PWSD 12's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CASS BATES COUNTY PWSD 12 have any EPA violations?
Yes, CASS BATES COUNTY PWSD 12 has 8 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does CASS BATES COUNTY PWSD 12 serve?
CASS BATES COUNTY PWSD 12 serves approximately 1,335 people, Missouri.
What type of water does CASS BATES COUNTY PWSD 12 provide?
CASS BATES COUNTY PWSD 12 sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO1021098.
How does CASS BATES COUNTY PWSD 12 compare to other utilities in Missouri?
CASS BATES COUNTY PWSD 12 scores 92/100 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.