TapSafetyReport
F4/100

MARSHALL CO WATER ASSN — Water Quality Report 2026

Serving 5,599 people · Mississippi

Water Source
Groundwater
County
—
System ID
MS0470105
Violations
77

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
2.84 mg/L1.30 mg/LOver Limit
Lead (90th percentile)
< 0.001 mg/L0.015 mg/LAbove Goal

EPA Violation History

4

Violations (last 5yr)

4

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: January 1, 2024 – December 31, 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: January 1, 2024 – December 31, 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: January 1, 2023 – December 31, 2023Rule: 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: January 1, 2023 – December 31, 2023Rule: 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 MARSHALL CO WATER ASSN

Is MARSHALL CO WATER ASSN water safe to drink?

MARSHALL CO WATER ASSN water receives a grade of F (4/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 77 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has MARSHALL CO WATER ASSN detected?

32 contaminants were tested in MARSHALL CO WATER ASSN's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does MARSHALL CO WATER ASSN have any EPA violations?

Yes, MARSHALL CO WATER ASSN has 77 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 2 are health-based violations.

How many people does MARSHALL CO WATER ASSN serve?

MARSHALL CO WATER ASSN serves approximately 5,599 people, Mississippi.

What type of water does MARSHALL CO WATER ASSN provide?

MARSHALL CO WATER ASSN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MS0470105.

How does MARSHALL CO WATER ASSN compare to other utilities in Mississippi?

MARSHALL CO WATER ASSN scores 4/100 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.