F12/100
Walls Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 12,297 residents · Mississippi
What's In Walls's Tap Water?
51
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above 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
Water Utility Details
WALLS WATER ASSOCIATION
Population Served
2,999
Water Source
Groundwater
System ID
MS0170019
WALLS WATER ASSN- LAKE FOREST
Population Served
9,298
Water Source
Groundwater
System ID
MS0170043
Frequently Asked Questions About Walls Water
Is Walls tap water safe to drink?
Walls, Mississippi tap water receives a grade of F (12/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 222 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Walls's water?
Of the 51 contaminants tested in Walls's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Walls have any water quality violations?
Yes, Walls has 222 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other. None of these are classified as health-based violations.
Do I need a water filter in Walls?
Walls water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Walls's tap water come from?
Walls's drinking water is sourced from groundwater and supplied by WALLS WATER ASSOCIATION and 1 other water system(s). The system serves approximately 12,297 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Walls's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Walls's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Walls's water compare to other cities in Mississippi?
Walls's water quality score of 12/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Mississippi state page to see how all cities in the state compare.
What should I do if I'm concerned about Walls's water quality?
If you have concerns about Walls's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (WALLS WATER ASSOCIATION) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.