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

The USA national average is 151 mg/L. Natchitoches (≈ 0–59 mg/L) is 121 mg/L softer than average.

Natchitoches Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

river

pH Level

7.2

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

182 mg/L

Est. Daily Cost

$0.08

energy & soap waste

Source: See methodology section below · Updated 2026

soft~0–59 mg/LSoft · 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 Natchitoches, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Natchitoches	Soft Water City	Efficiency Loss
Kettle	8.2 yrs	8.5 yrs	-4%
Washing Machine	11.5 yrs	12 yrs	-4%
Water Heater	14.4 yrs	15 yrs	-4%

Regional Water Comparison

How Natchitoches compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Natchitoches, Louisiana	≈ 0–59 mg/L	3.1 ppt	🟢 Soft	river
Alexandria, Louisiana	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Pineville, Louisiana	≈ 0–60 mg/L	0 ppt	🟢 Soft	groundwater
Minden, Louisiana	130.5 mg/L	0 ppt	🟠 Hard	groundwater
Ruston, Louisiana	165 mg/L	0 ppt	🟠 Hard	groundwater

National Benchmark

How Natchitoches compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Natchitoches	≈ 0–59 mg/L	🟢 None
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Natchitoches's Water Unique?

Local geology and source profile

Source: RiverTDS: 182 mg/LpH: 7.2

The Natchitoches Water System (PWSID: LA1069007), operated by the Natchitoches Water Division, serves Natchitoches in Natchitoches Parish, Louisiana. Water is sourced from Cane River Lake, fed by the Red River–Cane River system in Natchitoches Parish. The utility operates under Louisiana Department of Health oversight, which published a 2024 Water Grade report for the system scoring 63 out of 100. Specific treatment plant names, detailed hardness values, and full water quality parameters were not available in the sources reviewed for this profile; direct consultation with the utility is recommended for current data.

The Cane River drains the Gulf Coastal Plain of Louisiana, flowing through terrain underlain by Eocene Wilcox Group calcareous sands and Quaternary Red River alluvial deposits. These formations — primarily soft calcareous sands and alluvial sediments — produce a soft water supply, as the low-carbonate alluvial material dissolves relatively few calcium and magnesium ions into the water compared to limestone-dominated geologies. This Eocene-alluvial drainage pattern is characteristic of the Gulf Coastal Plain in Natchitoches Parish.

Soft water from alluvial sources typically causes minimal scale buildup on fixtures and appliances, meaning dishwashers, water heaters, and washing machines generally perform efficiently without descaling intervention. Soap lathers readily, and spotting on glassware is uncommon. However, soft water may be more corrosive to pipes and can carry a flatter taste than harder supplies. The Natchitoches Water System scored 63/100 in the Louisiana Department of Health 2024 Water Grade assessment; residents are encouraged to consult the utility or review the latest report for current contaminant and compliance data.

Geology & Source: Cane River Lake / Red River drainage; Gulf Coastal Plain — Eocene Wilcox Group calcareous sand, Quaternary Red River alluvium; alluvial and coastal plain drainage produces soft water

Other Louisiana Water Reports

Alexandria

≈ 120–179 mg/L

🟠 Hard

Pineville

≈ 0–60 mg/L

🟢 Soft

Minden

130.5 mg/L

🟠 Hard

Ruston

165 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 Natchitoches's water safe to drink?

Yes. Natchitoches's water meets all federal safety standards. The hardness is ≈ 0–59 mg/L (Soft), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Natchitoches?

Natchitoches's water is soft at ≈ 0–59 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.

How does Natchitoches compare to the USA average?

The USA national average is 151 mg/L. Natchitoches (≈ 0–59 mg/L) is 121 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 Natchitoches 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.