Lead In Drinking Water In Mississippi
What residents of Mississippi need to know about lead in drinking water — including how it enters water, which utilities have documented violations, and what steps to take.
Source: EPA SDWIS, Mississippi State Department of Health (MSDH), CDC · Last reviewed: 2025-01-01
Quick Answer
Is lead in drinking water a real concern in Mississippi?
Yes — Jackson, Gulfport, Biloxi, and Hattiesburg have older housing with pre-1986 plumbing. Jackson's broader water system challenges have brought national attention to Mississippi's drinking water infrastructure.
Is this mostly a public-water issue, a private-well issue, or both?
Both public water service lines and household plumbing in older Mississippi cities; infrastructure challenges compound lead risk in communities with older, under-maintained distribution systems.
What is the main reason residents should care?
Mississippi has a high proportion of older housing stock concentrated in low-income communities with limited resources to address aging plumbing. Jackson's documented water system failures have highlighted the infrastructure vulnerability of older Mississippi utility systems.
Key Facts
| Federal Lead Action Level | 15 µg/L — no safe level per CDC |
| Jackson infrastructure | Documented water system failures highlighted aging infrastructure across Mississippi |
| Small system challenge | Many Mississippi water systems have limited financial resources for LCRR compliance |
| Primary concern | Pre-1986 housing in older Mississippi cities — lead solder and aging service connections |
| State oversight | Mississippi State Department of Health (MSDH) |
Why This Matters in Mississippi
Jackson, Mississippi's capital and largest city, has been at the center of national attention due to its water system failures — including periods without running water and documented infrastructure disrepair. While those incidents involved broader system failures beyond lead specifically, they highlighted the vulnerability of aging infrastructure. Pre-1986 housing in Jackson, Meridian, Hattiesburg, and Gulfport may have lead service lines and lead solder. Mississippi has many small public water systems with limited financial and technical resources to address Lead and Copper Rule compliance. MSDH is the state primacy agency for drinking water oversight.
Historical Context
Jackson, Mississippi experienced prolonged water system failures in 2022-2023 that left residents without reliable water service. While these events were caused by infrastructure failure beyond lead plumbing specifically, they drew attention to the aging and under-resourced nature of Mississippi's water systems.
Mississippi Utilities With Lead Violation Records
The utilities listed below have at least one lead violation on record in EPA's SDWIS database. Violations may be open or resolved — see individual utility pages for current status and risk level.
City of Jackson
Jackson · 189,673 served
City of Hattiesburg
Hattiesburg · 43,449 served
City of Tupelo
Tupelo · 37,000 served
City of Meridian
Mississippi · 34,466 served
City of Jackson-maddox Rd.
Jackson · 28,098 served
City of Pearl
Mississippi · 27,115 served
City of Cleveland
Mississippi · 16,392 served
Clarksdale Public Utilities
Mississippi · 14,903 served
City of Moss Point
Mississippi · 12,524 served
Prvwsd-pelahatchie Bay
Mississippi · 11,790 served
How Lead Gets Into Drinking Water
Lead service lines
The pipe connecting a home to the water main may be made of lead, especially in pre-1986 construction. Water sitting in these lines can accumulate lead before it reaches the tap.
Lead solder
Lead solder at pipe joints was banned for potable water systems in 1986. Homes built before that date — including significant portions of older Mississippi cities — may still have lead solder throughout their plumbing.
Older brass fixtures
Faucets, valves, and fixtures with high lead content were common before the 2014 revision of 'lead-free' standards. Replacing older fixtures at kitchen and drinking taps can meaningfully reduce exposure.
Corrosive water chemistry
Soft, acidic, or low-alkalinity water dissolves lead from plumbing more readily. Utilities use orthophosphate and other corrosion control treatments, but household plumbing after the meter is not within their control.
Who Should Pay Closest Attention
Families with children under six in Jackson and other older Mississippi cities with documented infrastructure challenges, households in pre-1986 rental housing, and residents served by smaller Mississippi water systems with limited compliance histories should prioritize certified filtration as a precautionary measure.
Families with children under six
Pregnant residents
Households in homes built before 1986
Renters who cannot inspect building plumbing
Residents on a confirmed lead service line
Households that had plumbing work done recently (disturbances dislodge protective scale)
How to Check Your Situation in Mississippi
- 1
Identify your water utility. Use the ZIP lookup below or browse the Mississippi utility directory on this site.
- 2
Read your utility's page on this site to see its current risk level and any open lead violations.
- 3
Contact your utility and ask for your address-level service line material status. Under the federal Lead and Copper Rule Revisions (LCRR), utilities must maintain and provide this information.
- 4
Review your utility's most recent Consumer Confidence Report (CCR) — mailed annually or available on the utility's website.
- 5
Consider testing your tap water at a Mississippi State Department of Health (MSDH)-certified lab. Your state health department or Mississippi State Department of Health (MSDH) maintains a list of certified labs.
- 6
If you have young children or are pregnant, install a certified NSF/ANSI 53 or 58 filter at the kitchen tap as a precautionary measure.
Treatment Options
Boiling does not remove lead. Use a certified filter for drinking and cooking water.
NSF/ANSI Standard 53 — Activated Carbon Block
Under-sink or pitcher filters certified to Standard 53 are independently verified to reduce lead. Replace filters on the manufacturer's schedule — an overdue filter may not perform as certified.
NSF/ANSI Standard 58 — Reverse Osmosis
RO systems certified to Standard 58 remove 95–99% of lead and a broad range of contaminants. Requires under-sink installation. More comprehensive than Standard 53 for households with multiple contaminant concerns.
Flushing — temporary mitigation only
EPA recommends flushing the cold tap for 30 seconds to 2 minutes if water has sat in pipes for 6+ hours. Not a substitute for certified filtration or service line replacement.
Frequently Asked Questions
Related Pages
Lead — National Overview
All U.S. utilities with lead records
Mississippi State Overview
All utilities and water quality data
Nitrate in Drinking Water
A separate but common concern
Reverse Osmosis Guide
Removes 95–99% of lead
Activated Carbon Filter Guide
NSF/ANSI 53 certified options
All Contaminants
Complete reference library
Data Sources & Provenance
All data on this page is sourced from official U.S. government or public datasets.
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Mississippi State Department of Health (MSDH) ↗