Water Quality in Mississippi: Complete Guide

Everything homeowners need to know about Mississippi tap water - hardness, contaminants, treatment options, and costs.

Quick summary: Mississippi has an average water hardness of 54 PPM across 11 cities. 0% of cities have hard water above 120 PPM. PFAS contamination is detected above EPA limits in at least one city. Most households do not need water softening equipment.

Water Hardness Across Mississippi

Mississippi's water hardness ranges from 15 PPM in Jackson Downtown to 107 PPM in Gulfport, with a statewide average of 54 PPM. This makes Mississippi one of the softer-water states. The national average is approximately 120 PPM.

The majority of Mississippi cities rely on groundwater sources (wells and aquifers), which tend to pick up more dissolved minerals from underground rock formations.

Contaminants of Concern in Mississippi

PFAS: The average PFAS level across Mississippi cities is 10.9 ppt. Oxford has the highest detected PFAS at 119.7 ppt, above the EPA maximum contaminant level of 4 ppt. Residents should consider a reverse osmosis or NSF P473-certified filter for drinking water.

Lead: Lead contamination comes from plumbing infrastructure, not the water source. Mississippi homes built before 1986 are at higher risk due to lead solder. 1 cities show lead levels above 5 ppb.

Do You Need a Water Softener in Mississippi?

For most Mississippi residents, no. Only 0% of cities have hard water above 120 PPM. However, individual situations vary - check your city page for specific data.

Impact of Hard Water in Mississippi

With an average hardness of 54 PPM, most Mississippi households do not face significant hard water impact. However, homes with hardness above 120 PPM should evaluate treatment options.

All Mississippi Cities