How does Yazoo City's water compare to the national average?

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

Yazoo City Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.4

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

298 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 Yazoo City, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Yazoo City	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 Yazoo City compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Yazoo City, Mississippi	≈ 120–179 mg/L	5.7 ppt	🟠 Hard	groundwater
Canton, Mississippi	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Madison, Mississippi	≈ 180+ mg/L	0 ppt	🔴 Very Hard	groundwater
Ridgeland, Mississippi	≈ 180+ mg/L	0 ppt	🔴 Very Hard	groundwater
Clinton, Mississippi	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater

National Benchmark

How Yazoo City compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Yazoo City	≈ 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 Yazoo City's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 298 mg/LpH: 7.4

The City of Yazoo City Public Water Supply draws its water exclusively from groundwater wells that tap into the Sparta Sand Aquifer. This is according to their 2023 Annual Drinking Water Quality Report. A related system, Central Yazoo Water Association, also utilizes the Sparta Sand and Meridian Upper Wilcox Aquifers. There are no surface water treatment plants; the raw groundwater is pumped directly from the wells to residents.

The Sparta Sand Aquifer, part of the Tertiary Cockfield Formation, and the Meridian Upper Wilcox Aquifer, from the Upper Wilcox Group, are significant groundwater formations. These Tertiary-age sands and clays, found in the Mississippi Embayment and overlying Pleistocene valley trains and Holocene alluvium, contain calcareous sands and clays. The natural dissolution of minerals from these geological features imparts a hard character to the groundwater, with elevated levels of calcium and magnesium.

This hard water can lead to noticeable scale buildup in appliances like water heaters and dishwashers, potentially reducing their efficiency over several years. Faucet aerators and showerheads might clog within a couple of years, and boilers could experience pitting if left untreated. Homeowners often find that annual descaling of visible deposits, installing drain valves on heaters, or using vinegar soaks for fixtures helps manage the issue. Installing a water softener is a common recommendation for households to extend appliance life and improve the lathering of soaps and detergents.

Geology & Source: Sparta Sand Aquifer and Meridian Upper Wilcox Aquifer; Tertiary sands, gravels, clays, and calcareous sediments create hard water.

Other Mississippi Water Reports

Canton

≈ 120–179 mg/L

🟠 Hard

Madison

≈ 180+ mg/L

🔴 Very Hard

Ridgeland

≈ 180+ mg/L

🔴 Very Hard

Clinton

≈ 120–179 mg/L

🟠 Hard

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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 Yazoo City's water safe to drink?

Yes. Yazoo City'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 Yazoo City?

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

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