Scott Lake Water Hardness & Quality Report (2026)
Water Hardness
7.4 grains per gallon
Source
groundwater
pH Level
7.7
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
313 mg/L
Est. Daily Cost
$0.34
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 Scott Lake, your appliances are currently losing 17% efficiency due to mineral buildup.
| Appliance | In Scott Lake | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.4 yrs | 8.5 yrs | -36% |
| Washing Machine | 8.9 yrs | 12 yrs | -26% |
| Water Heater | 10.5 yrs | 15 yrs | -30% |
Regional Water Comparison
How Scott Lake compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Scott Lake, Florida | 127 mg/L | 6.6 ppt | 🟠 Hard | groundwater |
| Miami Gardens, Florida | 88 mg/L | 5.3 ppt | 🟡 Moderately Hard | groundwater |
| Carol City, Florida | 227 mg/L | 9.7 ppt | 🔴 Very Hard | groundwater |
| Norland, Florida | 279.5 mg/L | 11.3 ppt | 🔴 Very Hard | groundwater |
| Opa-locka, Florida | 114 mg/L | 6.1 ppt | 🟡 Moderately Hard | groundwater |
National Benchmark
How Scott Lake compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Scott Lake | 127 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Scott Lake's Water Unique?
Local geology and source profile
Scott Lake, Florida, in Miami-Dade County — an unincorporated Miami-Dade County community adjacent to Hialeah and Miami Gardens in northwest Miami — receives its water from the Miami-Dade Water and Sewer Department (WASD), drawing from the Biscayne Aquifer (Miami-Dade County) through the Miami metro distribution.
The moderately hard 127 mg/L hardness and TDS of 313 mg/L are slightly harder than the core Miami-Dade WASD communities (Miami Springs: 93.5 mg/L) — reflecting the northwest Miami-Dade Biscayne Aquifer's more concentrated calcareous character at the inland position, where less freshwater dilution from the Everglades recharge margin increases mineral concentration. The Biscayne Aquifer at northwest Miami-Dade County is developed in Pleistocene Miami Limestone (calcareous, oolitic — primary hardness contributor), Pleistocene Fort Thompson Formation (calcareous, fossiliferous — secondary contributor), and Holocene coastal carbonate sediment.
At 127 mg/L, Scott Lake'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 6.6 ppt warrants a certified drinking water filter — Homestead Air Reserve Base (south Miami-Dade County — AFFF) and Miami International Airport (Miami-Dade County — AFFF) contribute to Scott Lake's readings.
Geology & Source: Scott Lake in Miami-Dade County draws from the Miami-Dade Water and Sewer Department on the Biscayne Aquifer (Miami-Dade County, southeast Florida) — the Biscayne Aquifer at Miami-Dade is developed in Pleistocene Miami Limestone (calcareous, oolitic) and Pleistocene Fort Thompson Formation (calcareous) — Florida Miami-Dade County Biscayne Aquifer Pleistocene oolitic limestone produces moderately hard water at 127 mg/L with TDS 313 mg/L.