F0/100

TOWN OF SHANNON — Water Quality Report 2026

Serving 1,500 people · Mississippi

Water Source
Groundwater
County
System ID
MS0410013
Violations
178

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

5

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: October 1, 2022 – September 30, 2023Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022Rule: Ground Water RuleVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2021 – August 11, 2021Enforcement: Resolving — corrective action underway

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 TOWN OF SHANNON

Is TOWN OF SHANNON water safe to drink?

TOWN OF SHANNON water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 178 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has TOWN OF SHANNON detected?

1 contaminants were tested in TOWN OF SHANNON's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does TOWN OF SHANNON have any EPA violations?

Yes, TOWN OF SHANNON has 178 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 4 are health-based violations.

How many people does TOWN OF SHANNON serve?

TOWN OF SHANNON serves approximately 1,500 people, Mississippi.

What type of water does TOWN OF SHANNON provide?

TOWN OF SHANNON sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MS0410013.

How does TOWN OF SHANNON compare to other utilities in Mississippi?

TOWN OF SHANNON 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.