F0/100
OAK HILL WATER ASSN — Water Quality Report 2026
Serving 4,739 people · Mississippi
Water Source
Groundwater
County
—
System ID
MS0580004
Violations
130
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 HILL WATER ASSN
Is OAK HILL WATER ASSN water safe to drink?
OAK HILL WATER ASSN water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 130 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has OAK HILL WATER ASSN detected?
31 contaminants were tested in OAK HILL WATER ASSN's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does OAK HILL WATER ASSN have any EPA violations?
Yes, OAK HILL WATER ASSN has 130 EPA violation(s) on record, with the most recent in 2015. Violation types include MCL, MR, Other. 2 are health-based violations.
How many people does OAK HILL WATER ASSN serve?
OAK HILL WATER ASSN serves approximately 4,739 people, Mississippi.
What type of water does OAK HILL WATER ASSN provide?
OAK HILL WATER ASSN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MS0580004.
How does OAK HILL WATER ASSN compare to other utilities in Mississippi?
OAK HILL WATER ASSN scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Mississippi state page for a full comparison of water systems.