A84/100
OAK GROVE PWS — Water Quality Report 2026
Serving 8,289 people · Missouri
Water Source
Purchased Groundwater
County
—
System ID
MO1010589
Violations
12
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 OAK GROVE PWS
Is OAK GROVE PWS water safe to drink?
OAK GROVE PWS water receives a grade of A (84/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has OAK GROVE PWS detected?
31 contaminants were tested in OAK GROVE PWS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does OAK GROVE PWS have any EPA violations?
Yes, OAK GROVE PWS has 12 EPA violation(s) on record, with the most recent in 2013. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does OAK GROVE PWS serve?
OAK GROVE PWS serves approximately 8,289 people, Missouri. The system provides water to 1 community: Oak Grove.
What type of water does OAK GROVE PWS provide?
OAK GROVE PWS sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO1010589.
How does OAK GROVE PWS compare to other utilities in Missouri?
OAK GROVE PWS scores 84/100 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.