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

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

Bennsville Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

6.9

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

283 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 Bennsville, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Bennsville	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 Bennsville compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Bennsville, Maryland	≈ 120–179 mg/L	7.4 ppt	🟠 Hard	reservoir
Accokeek, Maryland	≈ 120–179 mg/L	10.4 ppt	🟠 Hard	groundwater
Saint Charles, Maryland	≈ 120–179 mg/L	10.8 ppt	🟠 Hard	reservoir
Waldorf, Maryland	≈ 120–179 mg/L	10 ppt	🟠 Hard	groundwater
St. Charles, Maryland	≈ 0–60 mg/L	7.5 ppt	🟢 Soft	reservoir

National Benchmark

How Bennsville compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Bennsville	≈ 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 Bennsville's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 283 mg/LpH: 6.9

No specific water utility details for Bennsville, Maryland could be found. To get accurate information, you'll need to contact the Maryland Department of the Environment or the county public works department that serves Bennsville. They can help identify your water utility provider and provide their latest Consumer Confidence Report, along with any available water quality data.

Bennsville's water originates from the Mattawoman Creek reservoir, located within the Mattawoman watershed in Charles County, south Maryland. The watershed itself drains Cretaceous Potomac Group sediments, which are slightly calcareous, and Tertiary Chesapeake Group sediments, which are calcareous. This geological makeup contributes to the characteristics of the water drawn for supply.

Because the water drawn from the Mattawoman Creek reservoir is considered hard, you might notice its effects on your home. Hard water can lead to scale buildup in pipes and appliances, potentially shortening their lifespan. Soap and detergents may also not lather as effectively. If you're experiencing issues with scale, consider installing a water softener to mitigate these effects and improve the performance of your plumbing and appliances.

Geology & Source: Cretaceous Potomac Group and Tertiary Chesapeake Group; calcareous sediments produce hard water

Other Maryland Water Reports

Accokeek

≈ 120–179 mg/L

🟠 Hard

Saint Charles

≈ 120–179 mg/L

🟠 Hard

Waldorf

≈ 120–179 mg/L

🟠 Hard

St. Charles

≈ 0–60 mg/L

🟢 Soft

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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 Bennsville's water safe to drink?

Yes. Bennsville'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 Bennsville?

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

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