Red Hill Water Hardness & Quality Report (2026)
Water Hardness
3.8 grains per gallon
Source
reservoir
pH Level
7.4
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
101.9 mg/L
Est. Daily Cost
$0.17
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 Red Hill, your appliances are currently losing 9% efficiency due to mineral buildup.
| Appliance | In Red Hill | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.5 yrs | 8.5 yrs | -12% |
| Washing Machine | 11.2 yrs | 12 yrs | -7% |
| Water Heater | 13 yrs | 15 yrs | -13% |
Regional Water Comparison
How Red Hill compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Red Hill, South Carolina | 64.5 mg/L | 3.5 ppt | 🟡 Moderately Hard | reservoir |
| Conway, South Carolina | 104 mg/L | 5.7 ppt | 🟡 Moderately Hard | reservoir |
| Socastee, South Carolina | 108 mg/L | 5.9 ppt | 🟡 Moderately Hard | reservoir |
| Myrtle Beach, South Carolina | 117.5 mg/L | 6.4 ppt | 🟡 Moderately Hard | reservoir |
| Red Hill, South Carolina | 64.5 mg/L | 3.5 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Red Hill compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Red Hill | 64.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Red Hill's Water Unique?
Local geology and source profile
Red Hill (south), South Carolina, in Horry County — a Horry County community adjacent to Conway and Murrells Inlet in northeast South Carolina — receives its water from the Horry County Water Authority, drawing from the Waccamaw River watershed (Horry County) through the northeast South Carolina coast distribution.
The soft 64.5 mg/L hardness and TDS of 101.9 mg/L are essentially identical to the nearby Red Hill north community (64.5/101.9) — both reflecting the same Horry County Atlantic Coastal Plain supply from the insoluble Cretaceous Black Creek Formation and Quaternary terrace sands, producing the soft, low-TDS water characteristic of the northeast South Carolina Coastal Plain communities. The Horry County supply — Cretaceous Black Creek Formation (insoluble — primary dilutant), Quaternary Coastal Plain terrace sands (insoluble — secondary dilutant), and shallow Eocene calcareous deposits (slightly calcareous — trace hardness contributor).
At 64.5 mg/L, Red Hill south's water is soft — scale forms very slowly in appliances, dishwashers remain efficient, and no softening is needed. Annual descaling is appropriate. The PFAS level of 3.5 ppt warrants a certified drinking water filter — the Horry County northeast South Carolina Myrtle Beach metro industrial corridor contribute to Red Hill's readings.
Geology & Source: Red Hill (south) in Horry County draws from the Horry County Water Authority on the Waccamaw River watershed (Horry County, northeast South Carolina coast) — the Coastal Plain at Horry County drains Cretaceous Black Creek Formation (insoluble) over Quaternary Coastal Plain terrace sands (insoluble) — South Carolina Horry County Waccamaw Coastal Plain Cretaceous-Quaternary slightly calcareous supply produces soft water at 64.5 mg/L with TDS 101.9 mg/L.