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Gardere Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

river

pH Level

7.8

neutral = 7.0

Lead

0.006 mg/L

✓ Below action level

TDS

256.2 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 Gardere, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn GardereSoft 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 Gardere compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Gardere, Louisiana≈ 120–179 mg/L10.6 ppt🟠 Hardriver
Baton Rouge, Louisiana8.3 mg/L0 ppt🟢 Softgroundwater
Shenandoah, Louisiana136 mg/L12 ppt🟠 Hardriver
Prairieville, Louisiana≈ 120–179 mg/L9.3 ppt🟠 Hardgroundwater
Denham Springs, Louisiana≈ 120–179 mg/L0 ppt🟠 Hardgroundwater

National Benchmark

How Gardere compares to the USA average

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

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What Makes Gardere's Water Unique?

Local geology and source profile

Source: RiverTDS: 256.2 mg/LpH: 7.8

Gardere is an unincorporated census-designated place in East Baton Rouge Parish, Louisiana, relying on the City of Baton Rouge water utility for its drinking water. The main supply comes from the Mississippi River, a surface water source that undergoes treatment at municipal facilities before reaching homes. This system serves Gardere and neighboring communities throughout East Baton Rouge Parish. The Mississippi River's journey begins far upstream, collecting minerals from the landscape it traverses.

The Mississippi River watershed is characterized by extensive limestone and chalk formations, particularly in states like Minnesota, Wisconsin, and Illinois. As the river meanders south, it dissolves substantial amounts of calcium and magnesium from these geological sources. By the time the water reaches the Baton Rouge area, it carries a significant mineral load. While the local geology features Quaternary alluvial deposits atop Tertiary sediments, the river's mineral content dictates the water's hardness for the municipal supply.

Homeowners in this region often notice the effects of hard water on their appliances and plumbing. Scale buildup can affect everything from coffee makers to water heaters, necessitating periodic descaling efforts. You might find that soaps and detergents don't lather as readily, requiring more product for the same cleaning power. For those looking to lessen these impacts, installing a water softener is a common solution. Neighboring Jefferson Parish, which also draws from the Mississippi River, reported water hardness around 142 mg/L in 2022, confirming the region's hard water characteristics.

Geology & Source: Mississippi River watershed; alluvial and deltaic deposits over Tertiary sediments; limestone and chalk formations in upper basin yield hard water

Other Louisiana Water Reports

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Frequently Asked Questions

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