How does Piney Green's water compare to the national average?

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

Piney Green Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.8

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

270.8 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 Piney Green, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Piney Green	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 Piney Green compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Piney Green, North Carolina	≈ 120–179 mg/L	6.5 ppt	🟠 Hard	reservoir
Jacksonville, North Carolina	≈ 180+ mg/L	0 ppt	🔴 Very Hard	groundwater
Havelock, North Carolina	≈ 180+ mg/L	0 ppt	🔴 Very Hard	groundwater
New Bern, North Carolina	34.2 mg/L	0 ppt	🟢 Soft	groundwater
Kinston, North Carolina	≈ 120–179 mg/L	153.5 ppt	🟠 Hard	reservoir

National Benchmark

How Piney Green compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Piney Green	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

Bring Scarsdale-quality water to your Piney Green home

Shop water softeners on Amazon.com →

Shop Now

What Makes Piney Green's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 270.8 mg/LpH: 7.8

Onslow County Water and Sewer Authority (OCWSA) serves unincorporated areas of Onslow County, including the Piney Green community near Camp Lejeune. Their water supply comes from a mix of sources: surface water drawn from the Black River and Northeast Cape Fear River, as well as groundwater tapped from the Castle Hayne Aquifer. All of this water is treated at the Onslow County Water Treatment Plant located in Richlands. This facility employs advanced filtration, disinfection, and corrosion control processes to ensure the water is safe for the more than 500 square miles it serves, catering to residential, military, and industrial users.

The water's journey begins in the Northeast Cape Fear River Basin and surrounding coastal plain watersheds. Rainwater seeps through sandy soils, recharging underground aquifers, or flows into rivers. Geologically, the region is characterized by the Upper Cretaceous Peedee formation, composed of sands and clays, which transitions into the Eocene Castle Hayne limestone. This limestone aquifer is known for its karst features, meaning it readily dissolves minerals like calcium and magnesium as water passes through. This geological makeup gives the water a moderately mineralized quality, with the harder groundwater from the limestone blending with softer river water to create a consistent chemical profile after treatment.

Homeowners in the Piney Green area might notice occasional spotting on dishes and a slight buildup of soap scum in bathrooms. Over time, faucets and showerheads can develop a thin layer of scale. Appliances like dishwashers, washing machines, and water heaters can become less efficient due to this mineral buildup, potentially reducing their lifespan by 20-30%. To combat this, regular maintenance such as monthly descaling of fixtures with vinegar, annual flushing of water heaters, and the consistent use of rinse aids is advised. Installing a water softener is a recommended step for many households to extend appliance longevity and improve cleaning effectiveness. OCWSA maintains a pH between 7.2-7.8, well within EPA standards, and has met all lead and copper rule requirements.

Geology & Source: Black River watershed; coastal plain aquifers; Cretaceous and Tertiary sediments; Peedee Formation; Castle Hayne Aquifer; limestone and carbonate-rich formations dissolve calcium and magnesium; balanced mineral character

Other North Carolina Water Reports

Jacksonville

≈ 180+ mg/L

🔴 Very Hard

Havelock

≈ 180+ mg/L

🔴 Very Hard

New Bern

34.2 mg/L

🟢 Soft

Kinston

≈ 120–179 mg/L

🟠 Hard

Report an Issue

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 Piney Green's water safe to drink?

Yes. Piney Green'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 Piney Green?

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

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