C52/100
TARKIO BOARD OF PUBLIC WORKS PWS — Water Quality Report 2026
Serving 1,494 people · Missouri
Water Source
Purchased Groundwater
County
—
System ID
MO1010786
Violations
28
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 TARKIO BOARD OF PUBLIC WORKS PWS
Is TARKIO BOARD OF PUBLIC WORKS PWS water safe to drink?
TARKIO BOARD OF PUBLIC WORKS PWS water receives a grade of C (52/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 28 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TARKIO BOARD OF PUBLIC WORKS PWS detected?
1 contaminants were tested in TARKIO BOARD OF PUBLIC WORKS PWS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does TARKIO BOARD OF PUBLIC WORKS PWS have any EPA violations?
Yes, TARKIO BOARD OF PUBLIC WORKS PWS has 28 EPA violation(s) on record, with the most recent in 2013. Violation types include MCL, Other, MR. 5 are health-based violations.
How many people does TARKIO BOARD OF PUBLIC WORKS PWS serve?
TARKIO BOARD OF PUBLIC WORKS PWS serves approximately 1,494 people, Missouri. The system provides water to 1 community: Tarkio.
What type of water does TARKIO BOARD OF PUBLIC WORKS PWS provide?
TARKIO BOARD OF PUBLIC WORKS PWS sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO1010786.
How does TARKIO BOARD OF PUBLIC WORKS PWS compare to other utilities in Missouri?
TARKIO BOARD OF PUBLIC WORKS PWS scores 52/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Missouri state page for a full comparison of water systems.