Harrisburg Water Hardness & Quality Report (2026)
Water Hardness
7.8 grains per gallon
Source
reservoir
pH Level
7.9
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
301.5 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 Harrisburg, your appliances are currently losing 18% efficiency due to mineral buildup.
| Appliance | In Harrisburg | 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 Harrisburg compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Harrisburg, North Carolina | 133 mg/L | 7 ppt | 🟠 Hard | reservoir |
| Concord, North Carolina | 98.5 mg/L | 5.3 ppt | 🟡 Moderately Hard | reservoir |
| Mint Hill, North Carolina | 104 mg/L | 5.5 ppt | 🟡 Moderately Hard | reservoir |
| Kannapolis, North Carolina | 79.5 mg/L | 4.3 ppt | 🟡 Moderately Hard | reservoir |
| Huntersville, North Carolina | 119 mg/L | 6.3 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Harrisburg compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Harrisburg | 133 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Harrisburg's Water Unique?
Local geology and source profile
Harrisburg, North Carolina, in Cabarrus County — a Cabarrus County town adjacent to Concord and Charlotte in the south-central North Carolina Piedmont — receives its water from Cabarrus County Water or the City of Concord, drawing from the Rocky River or local reservoir (Cabarrus County) through the Charlotte metro north distribution.
The moderately hard 133 mg/L hardness and TDS of 301.5 mg/L reflect the south-central North Carolina Cabarrus County supply's moderate Piedmont calcareous character — slightly harder than the typical North Carolina Piedmont supply (Graham: 65.5 mg/L) due to the Charlotte Belt's slightly more calcareous metavolcanic geology. The Rocky River watershed at Cabarrus County drains the North Carolina Piedmont Charlotte Belt — Precambrian Charlotte Belt Metavolcanics (slightly calcareous — primary hardness contributor), Precambrian Concord Gneiss (insoluble), and minor Triassic Davie County Basin (slightly calcareous). The slightly calcareous Charlotte Belt metavolcanic input produces the moderately hard Charlotte metro north supply.
At 133 mg/L, Harrisburg's water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and faucet aerators need periodic cleaning. Quarterly descaling is appropriate. The PFAS level of 7.0 ppt warrants a certified drinking water filter — Concord Regional Airport (Cabarrus County — AFFF) and the Charlotte metro north industrial corridor contribute to Harrisburg's readings.
Geology & Source: Harrisburg in Cabarrus County draws from the Cabarrus County Water on the Rocky River or Yadkin-Pee Dee watershed reservoir (Cabarrus County, south-central North Carolina Piedmont) — the watershed drains the North Carolina Piedmont (Precambrian Charlotte Belt Metavolcanics — slightly calcareous) — North Carolina Cabarrus County Rocky River Charlotte Belt watershed produces moderately hard water at 133 mg/L with TDS 301.5 mg/L.