Martinsville Water Hardness & Quality Report (2026)
Water Hardness
3 grains per gallon
Source
reservoir
pH Level
7.3
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
85.1 mg/L
Est. Daily Cost
$0.14
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
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 Martinsville, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In Martinsville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.9 yrs | 8.5 yrs | -7% |
| Washing Machine | 11.7 yrs | 12 yrs | -3% |
| Water Heater | 13.5 yrs | 15 yrs | -10% |
Regional Water Comparison
How Martinsville compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Martinsville, New Jersey | 52 mg/L | 5.9 ppt | 🟢 Soft | reservoir |
| Bound Brook, New Jersey | 57.5 mg/L | 6.2 ppt | 🟢 Soft | reservoir |
| Warren Township, New Jersey | 148.5 mg/L | 11.3 ppt | 🟠 Hard | reservoir |
| Somerville, New Jersey | 125.5 mg/L | 10 ppt | 🟠 Hard | reservoir |
| Manville, New Jersey | 46.5 mg/L | 5.5 ppt | 🟢 Soft | reservoir |
National Benchmark
How Martinsville compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Martinsville | 52 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
Bring Badger-quality water to your Martinsville home
Shop water softeners on Amazon.com →
What Makes Martinsville's Water Unique?
Local geology and source profile
Martinsville, New Jersey, in Somerset County — a Somerset County unincorporated community adjacent to Bound Brook and Bridgewater in central New Jersey — receives its water from New Jersey American Water or a local utility, drawing from the Raritan River watershed through the central New Jersey distribution.
The soft 52 mg/L hardness and low TDS of 85.1 mg/L reflect the Somerset County Raritan supply's soft character — the Precambrian Highlands Gneiss of the New Jersey Highlands is highly insoluble, while the Triassic Brunswick Formation red beds add only minor calcareous content to the blended watershed supply (compare Bound Brook NJ: 50/82 in Somerset County comparable; Bridgewater NJ: 54/88 in Somerset County comparable; Martinsville consistent soft from the same Somerset County Raritan River Precambrian-Triassic insoluble supply). The Raritan watershed at Somerset County — Precambrian Highlands Gneiss (insoluble — primary dilutant), Triassic Brunswick Formation (slightly calcareous — primary hardness contributor), and Quaternary Raritan alluvium (slightly calcareous — minor TDS).
At 52 mg/L with TDS 85, Martinsville's water is soft — minimal scale buildup, excellent soap lathering. Annual descaling is appropriate. The PFAS level of 5.9 ppt is elevated — a certified drinking water filter is recommended. Review NJ American Water's annual water quality report for the latest contaminant monitoring data.
Geology & Source: Martinsville in Somerset County draws from NJ American Water on the Raritan River reservoir (Somerset County, central New Jersey) — the Raritan watershed at Somerset County drains Precambrian Highlands Gneiss (insoluble) and Triassic Brunswick Formation (slightly calcareous) — New Jersey Somerset County Raritan River Precambrian insoluble supply produces soft water at 52 mg/L with TDS 85.1 mg/L.