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

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

Greenville Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.7

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

162 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 Greenville, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Greenville	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 Greenville compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Greenville, Mississippi	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Cleveland, Mississippi	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Yazoo City, Mississippi	≈ 120–179 mg/L	5.7 ppt	🟠 Hard	groundwater
Greenwood, Mississippi	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Clarksdale, Mississippi	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater

National Benchmark

How Greenville compares to the USA average

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

Bring Scarsdale-quality water to your Greenville home

Shop water softeners on Amazon.com →

Shop Now

What Makes Greenville's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 162 mg/LpH: 7.7

City of Greenville Utilities operates the public water system serving approximately 30,000 residents in Washington County, Mississippi, within the Mississippi River Delta. Water is sourced from multiple wells tapping the Mississippi Alluvial Aquifer, treated at the city's Water Treatment Plant near the municipal complex, and distributed through an extensive network. No surface reservoir or river is used directly; the supply relies entirely on groundwater extraction. Customer service is available through greenvillems.org. The 2024 Consumer Confidence Report is publicly available at msrwa.org.

Greenville's water originates beneath the Mississippi Alluvial Plain, where Quaternary alluvial deposits of sand and gravel overlie Tertiary marine clays and sands of the Jackson Group, with deeper connections to the Sparta Aquifer sands. The underlying Eocene Claiborne and Jackson Groups contain calcareous marine sediments whose carbonate minerals dissolve into groundwater through natural infiltration. The delta's flat topography and high permeability promote river-recharged recharge, moderating extreme mineral concentration while maintaining consistent hardness from limestone weathering.

At moderately hard levels, Greenville's supply promotes limescale buildup in water heaters, dishwashers, and coffee makers, reducing efficiency and increasing energy costs. Laundry may feel stiffer, and soap efficiency drops, requiring more detergent. Monthly vinegar descaling of faucets, annual heater flushes, and scale-inhibiting showerheads all help. A whole-home water softener is recommended for households with hard water concerns. The 2024 Consumer Confidence Report confirms full EPA compliance — pH typically 7.2–7.8, no lead or copper violations under LCR monitoring. Eleven contaminants were detected above health guidelines per third-party analysis, including moderate arsenic and radiologicals from aquifer geology, though all remain below MCLs. Treatment involves chlorination, fluoridation, and corrosion control.

Geology & Source: Mississippi Alluvial Aquifer, Mississippi Embayment; Quaternary alluvial sands and gravels overlie Eocene Claiborne and Jackson Group calcareous marine sediments — carbonate dissolution adds calcium and magnesium to groundwater, yielding a

Other Mississippi Water Reports

Cleveland

≈ 120–179 mg/L

🟠 Hard

Yazoo City

≈ 120–179 mg/L

🟠 Hard

Greenwood

≈ 120–179 mg/L

🟠 Hard

Clarksdale

≈ 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 Greenville's water safe to drink?

Yes. Greenville'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 Greenville?

At ≈ 120–179 mg/L (Hard), Greenville'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 Greenville compare to the USA average?

The USA national average is 151 mg/L. Greenville (≈ 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 Greenville 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.