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Natchez 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

0.003 mg/L

✓ Below action level

TDS

146.8 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 Natchez, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn NatchezSoft Water CityEfficiency 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 Natchez compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Natchez, Mississippi≈ 120–179 mg/L0 ppt🟠 Hardgroundwater
Zachary, Louisiana≈ 120–179 mg/L0 ppt🟠 Hardgroundwater
Vicksburg, Mississippi≈ 180+ mg/L0 ppt🔴 Very Hardgroundwater
Brookhaven, Mississippi≈ 120–179 mg/L7.8 ppt🟠 Hardgroundwater
Baker, Louisiana≈ 120–179 mg/L0 ppt🟠 Hardgroundwater

National Benchmark

How Natchez compares to the USA average

BenchmarkHardnessAppliance Risk
Natchez≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Natchez's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 146.8 mg/LpH: 7.4

The City of Natchez Water Works draws its primary supply from the Mississippi River. This vital artery, part of one of North America's largest drainage basins, flows through the Mississippi River watershed. The utility operates treatment facilities to serve Natchez, Mississippi, and the surrounding Adams County area. Their most recent Consumer Confidence Report, detailing water sources and quality, was published in 2024.

The region's geology is characterized by Mississippi Embayment alluvial deposits from the Quaternary period. These lie atop Tertiary marine sediments, dating back to the Eocene and Oligocene epochs. Deeper still are Cretaceous chalk and limestone formations. Dissolving minerals, particularly calcium and magnesium carbonates from these sedimentary layers, are responsible for the water's moderately hard nature.

Homeowners in Natchez will likely notice scale buildup in appliances like kettles and water heaters, necessitating regular descaling. You’ll also find that soaps and detergents don't lather as effectively, requiring more product for cleaning. This hardness can shorten appliance lifespans and increase maintenance. Many residents find a water softener beneficial, especially for high hot-water use. The City of Natchez Water Works treats the river water using conventional methods to meet federal standards, but sometimes exceeds, Safe Drinking Water Act standards, with some contaminants like chloroethane, manganese, and chloramine residuals noted in third-party reports.

Geology & Source: Mississippi Embayment sediments; Eocene, Oligocene, and Cretaceous marine clays, sands, chalk, and limestone contribute to moderate hardness.

Other Mississippi Water Reports

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Frequently Asked Questions

Is Natchez's water safe to drink?
Yes. Natchez'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 Natchez?
At ≈ 120–179 mg/L (Hard), Natchez'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 Natchez compare to the USA average?
The USA national average is 151 mg/L. Natchez (≈ 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 Natchez 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

pH

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.