Belvedere Park Water Hardness & Quality Report (2026)
Water Hardness
8.6 grains per gallon
Source
reservoir
pH Level
8.1
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
390.7 mg/L
Est. Daily Cost
$0.39
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 Belvedere Park, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Belvedere Park | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.7 yrs | 8.5 yrs | -45% |
| Washing Machine | 8.1 yrs | 12 yrs | -33% |
| Water Heater | 9.7 yrs | 15 yrs | -35% |
Regional Water Comparison
How Belvedere Park compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Belvedere Park, Georgia | 147.5 mg/L | 9.2 ppt | 🟠 Hard | reservoir |
| Candler-McAfee, Georgia | 141 mg/L | 8.8 ppt | 🟠 Hard | reservoir |
| Decatur, Georgia | 112 mg/L | 6.6 ppt | 🟡 Moderately Hard | reservoir |
| North Decatur, Georgia | 150 mg/L | 9.5 ppt | 🟠 Hard | reservoir |
| Druid Hills, Georgia | 142 mg/L | 8.9 ppt | 🟠 Hard | reservoir |
National Benchmark
How Belvedere Park compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Belvedere Park | 147.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Belvedere Park's Water Unique?
Local geology and source profile
Belvedere Park, Georgia, in DeKalb County — an unincorporated DeKalb County community adjacent to Decatur and Scottdale in the east Atlanta suburb — receives its water from DeKalb County Watershed Management, drawing from the Chattahoochee River (DeKalb County) through the east Atlanta metro water treatment system.
The moderately hard 147.5 mg/L hardness and TDS of 390.7 mg/L (elevated TDS relative to hardness — suggesting dissolved mineral loading beyond carbonate, possibly from DeKalb County industrial inputs to the Chattahoochee) are harder than the Atlanta proper supply (Atlanta: ~75 mg/L) and harder than the west Atlanta Douglas County supply (Lithia Springs: 90 mg/L) — reflecting the DeKalb County Chattahoochee intake's different treatment and hardness concentration zone compared to the Atlanta city water. The Chattahoochee River at DeKalb County crosses Georgia Piedmont — Precambrian Dahlonega Gold Belt (slightly calcareous metasedimentary — primary hardness contributor at this position).
At 147.5 mg/L, Belvedere Park'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 9.2 ppt warrants a certified reverse osmosis drinking water filter — Dobbins Air Reserve Base (Cobb County — AFFF, the dominant west Atlanta PFAS source), Hartsfield-Jackson Atlanta International Airport (Fulton County — AFFF, the largest southeast US airport PFAS source), and the east Atlanta DeKalb industrial corridor contribute to Belvedere Park's very elevated readings.
Geology & Source: Belvedere Park in DeKalb County draws from DeKalb County Watershed Management on the Chattahoochee River (DeKalb County, east Atlanta metro) — the Chattahoochee drains the Georgia Blue Ridge (Precambrian Dahlonega Gold Belt metasedimentary — slightly calcareous) — Georgia DeKalb County Chattahoochee River Piedmont watershed produces moderately hard water at 147.5 mg/L with TDS 390.7 mg/L.