B71/100
DAVIESS COUNTY PWSD 1 — Water Quality Report 2026
Serving 2,165 people · Missouri
Water Source
Purchased Groundwater
County
—
System ID
MO1024186
Violations
17
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2025 – May 31, 2025Rule: Total Coliform RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 DAVIESS COUNTY PWSD 1
Is DAVIESS COUNTY PWSD 1 water safe to drink?
DAVIESS COUNTY PWSD 1 water receives a grade of B (71/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has DAVIESS COUNTY PWSD 1 detected?
1 contaminants were tested in DAVIESS COUNTY PWSD 1's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does DAVIESS COUNTY PWSD 1 have any EPA violations?
Yes, DAVIESS COUNTY PWSD 1 has 17 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MR, MCL. 3 are health-based violations.
How many people does DAVIESS COUNTY PWSD 1 serve?
DAVIESS COUNTY PWSD 1 serves approximately 2,165 people, Missouri. The system provides water to 1 community: Pattonsburg.
What type of water does DAVIESS COUNTY PWSD 1 provide?
DAVIESS COUNTY PWSD 1 sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO1024186.
How does DAVIESS COUNTY PWSD 1 compare to other utilities in Missouri?
DAVIESS COUNTY PWSD 1 scores 71/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Missouri state page for a full comparison of water systems.