Sparta Water Hardness & Quality Report (2026)
Water Hardness
7.7 grains per gallon
Source
reservoir
pH Level
7.9
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
300.5 mg/L
Est. Daily Cost
$0.35
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 Sparta, your appliances are currently losing 18% efficiency due to mineral buildup.
| Appliance | In Sparta | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.2 yrs | 8.5 yrs | -39% |
| Washing Machine | 8.7 yrs | 12 yrs | -28% |
| Water Heater | 10.3 yrs | 15 yrs | -31% |
Regional Water Comparison
How Sparta compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Sparta, New Jersey | 132 mg/L | 10.3 ppt | 🟠 Hard | reservoir |
| Hopatcong Hills, New Jersey | 107 mg/L | 8.9 ppt | 🟡 Moderately Hard | reservoir |
| Hopatcong, New Jersey | 106.5 mg/L | 8.9 ppt | 🟡 Moderately Hard | reservoir |
| Dover, New Jersey | 142 mg/L | 10.9 ppt | 🟠 Hard | reservoir |
| Randolph, New Jersey | 115 mg/L | 9.4 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Sparta compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Sparta | 132 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
Bring Badger-quality water to your Sparta home
Shop water softeners on Amazon.com →
What Makes Sparta's Water Unique?
Local geology and source profile
Sparta, New Jersey, in Sussex County — a Sussex County township centered on Lake Mohawk (a private lake community), a popular lake residential and recreation community in the New Jersey Highlands northwest NJ corridor — receives its municipal water from Sparta Township Water Utility or Suez (United Water), which draws from Lake Mohawk or local Sussex County Highlands reservoir impoundments.
The moderately hard 132 mg/L hardness and TDS of 300.5 mg/L reflect Sparta's New Jersey Highlands mixed geology. The Sussex County highlands in Sparta are underlain by the Precambrian New Jersey Highlands gneiss and the Kittatinny Valley limestone and dolomite (Ordovician Jacksonburg Formation and Cambrian Hardyston Quartzite-Kittatinny Dolomite sequence). The Kittatinny Valley carbonate belt — the northwesternmost fold of the Great Appalachian Valley — contributes carbonate hardness to the Sussex County watershed, harder than the pure Wanaque Highlands supply (Lyndhurst: 39 mg/L) but softer than the carbonate-dominated NJ urban supplies.
At 132 mg/L, Sparta's water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and bathroom fixtures develop calcium deposits. Quarterly descaling is appropriate. The PFAS level of 10.3 ppt is very high and warrants a certified reverse osmosis drinking water filter — Picatinny Arsenal (Morris County — US Army explosives and materials R&D center, a major AFFF and industrial chemical user in the Sussex-Morris County Highlands), and the northern NJ defense-industrial corridor contribute to Sparta's elevated PFAS readings.
Geology & Source: Sparta in Sussex County draws from the Sparta Township Water Utility or Suez (United Water) on Lake Mohawk or local New Jersey Highlands impoundments — the Sussex County highlands drain Precambrian New Jersey Highlands gneiss and Paleozoic limestone of the Kittatinny Valley — New Jersey Highlands crystalline and limestone mixed drainage produces moderately hard water at 132 mg/L with TDS 301 mg/L in this Sussex County New Jersey township.