B72/100
HORN LAKE WATER ASSOCIATION — Water Quality Report 2026
Serving 12,735 people · Mississippi
Water Source
Groundwater
County
—
System ID
MS0170010
Violations
28
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
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: October 1, 2023 – September 30, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
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: October 1, 2023 – September 30, 2024Rule: Stage 2 DBPREnforcement: 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 HORN LAKE WATER ASSOCIATION
Is HORN LAKE WATER ASSOCIATION water safe to drink?
HORN LAKE WATER ASSOCIATION water receives a grade of B (72/100), which is considered good. Out of 73 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has HORN LAKE WATER ASSOCIATION detected?
73 contaminants were tested in HORN LAKE WATER ASSOCIATION's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HORN LAKE WATER ASSOCIATION have any EPA violations?
Yes, HORN LAKE WATER ASSOCIATION has 28 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other.
How many people does HORN LAKE WATER ASSOCIATION serve?
HORN LAKE WATER ASSOCIATION serves approximately 12,735 people, Mississippi.
What type of water does HORN LAKE WATER ASSOCIATION provide?
HORN LAKE WATER ASSOCIATION sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MS0170010.
How does HORN LAKE WATER ASSOCIATION compare to other utilities in Mississippi?
HORN LAKE WATER ASSOCIATION scores 72/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Mississippi state page for a full comparison of water systems.