How does Meridian's water compare to the national average?

The USA national average is 151 mg/L. Meridian (≈ 120–179 mg/L) is 1 mg/L softer than average.

Meridian Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

59 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Meridian, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Meridian	Soft Water City	Efficiency Loss
Kettle	6.8 yrs	8.5 yrs	-20%
Washing Machine	9.6 yrs	12 yrs	-20%
Water Heater	12 yrs	15 yrs	-20%

Regional Water Comparison

How Meridian compares to its nearest neighbours

City	Hardness	Risk	Source
▶ Meridian, Mississippi	≈ 120–179 mg/L	🟠 Hard	groundwater
Laurel, Mississippi	≈ 120–179 mg/L	🟠 Hard	groundwater
Starkville, Mississippi	≈ 120–179 mg/L	🟠 Hard	groundwater
Petal, Mississippi	≈ 120–179 mg/L	🟠 Hard	groundwater
Columbus, Mississippi	≈ 120–179 mg/L	🟠 Hard	groundwater

National Benchmark

How Meridian compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Meridian	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Meridian's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 59 mg/LpH: 7

The City of Meridian, Mississippi, operates a public water utility serving 36,347 residents. All water is sourced from eight groundwater wells drawing from the Lower Wilcox Aquifer at depths ranging from 747 to 948 feet. Treatment includes air stripping, conventional filtration, ionic exchange, and chlorine disinfection. Administrative offices are located at PO Box 1430, Meridian, MS 39302; contact: 601-485-1926.

The Lower Wilcox Aquifer is a Paleocene-Eocene geological formation underlying the Mississippi Coastal Plain, composed of sandstone, shale, and carbonate interbeds. The carbonate-bearing strata naturally dissolve calcium and magnesium minerals into deep groundwater over long residence times, producing a hard supply characteristic of northern Mississippi's limestone-influenced hydrogeology.

Hard water in Meridian causes mineral scale buildup in pipes, water heaters, dishwashers, and washing machines, with reduced soap and detergent efficacy and water spotting on glassware and fixtures. A water softener is recommended to extend appliance lifespan and improve bathing and laundry performance; periodic descaling of fixtures also helps manage accumulation. The 2024 Annual Drinking Water Quality Report tested 53+ contaminants, with 2 exceeding EPA MCLGs; the utility achieved an 83% compliance rate. Lead in drinking water is primarily associated with service lines and home plumbing materials rather than the source water itself, and the utility maintains a quality score of 80/100.

Geology & Source: Lower Wilcox Aquifer (Paleocene-Eocene), depths 747-948 ft; sandstone and shale with carbonate interbeds beneath Mississippi Coastal Plain; limestone bedrock dissolves calcium and magnesium — hard groundwater

Other Mississippi Water Reports

Laurel

≈ 120–179 mg/L

🟠 Hard

Starkville

≈ 120–179 mg/L

🟠 Hard

Petal

≈ 120–179 mg/L

🟠 Hard

Columbus

≈ 120–179 mg/L

🟠 Hard

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Meridian's water safe to drink?

Yes. Meridian's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Meridian?

At ≈ 120–179 mg/L (Hard), Meridian's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.

How does Meridian compare to the USA average?

The USA national average is 151 mg/L. Meridian (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Meridian is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.