TapSafetyReport
B66/100

COLUMBUS AIR FORCE BASE — Water Quality Report 2026

Serving 3,300 people · Mississippi

Water Source
Purchased Groundwater
County
—
System ID
MS0440018
Violations
11

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
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: October 1, 2022 – September 30, 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: October 1, 2022 – September 30, 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 COLUMBUS AIR FORCE BASE

Is COLUMBUS AIR FORCE BASE water safe to drink?

COLUMBUS AIR FORCE BASE water receives a grade of B (66/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has COLUMBUS AIR FORCE BASE detected?

31 contaminants were tested in COLUMBUS AIR FORCE BASE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does COLUMBUS AIR FORCE BASE have any EPA violations?

Yes, COLUMBUS AIR FORCE BASE has 11 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL, Other. 5 are health-based violations.

How many people does COLUMBUS AIR FORCE BASE serve?

COLUMBUS AIR FORCE BASE serves approximately 3,300 people, Mississippi.

What type of water does COLUMBUS AIR FORCE BASE provide?

COLUMBUS AIR FORCE BASE sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MS0440018.

How does COLUMBUS AIR FORCE BASE compare to other utilities in Mississippi?

COLUMBUS AIR FORCE BASE scores 66/100 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.