Cloverly Water Hardness & Quality Report (2026)
Water Hardness
10.3 grains per gallon
Source
reservoir
pH Level
8.2
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
437.1 mg/L
Est. Daily Cost
$0.47
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 Cloverly, your appliances are currently losing 24% efficiency due to mineral buildup.
| Appliance | In Cloverly | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.8 yrs | 8.5 yrs | -55% |
| Washing Machine | 7.1 yrs | 12 yrs | -41% |
| Water Heater | 8.5 yrs | 15 yrs | -43% |
Regional Water Comparison
How Cloverly compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Cloverly, Maryland | 177 mg/L | 9.7 ppt | 🟠 Hard | reservoir |
| Colesville, Maryland | 182 mg/L | 10 ppt | 🔴 Very Hard | reservoir |
| Fairland, Maryland | 184 mg/L | 10.1 ppt | 🔴 Very Hard | reservoir |
| White Oak, Maryland | 100 mg/L | 5.3 ppt | 🟡 Moderately Hard | reservoir |
| Glenmont, Maryland | 142.5 mg/L | 7.7 ppt | 🟠 Hard | reservoir |
National Benchmark
How Cloverly compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Cloverly | 177 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Cloverly's Water Unique?
Local geology and source profile
Cloverly, Maryland, in Montgomery County — an unincorporated Montgomery County community adjacent to Burtonsville and Colesville in east Montgomery County — receives its water from WSSC Water, drawing from Rocky Gorge Reservoir (Patuxent River, Montgomery County) through the east Maryland distribution.
The hard 177 mg/L hardness and TDS of 437.1 mg/L are harder than the WSSC Potomac-served communities (Damascus: 96 mg/L; East Riverdale: 153 mg/L) — reflecting Cloverly's service from Rocky Gorge Reservoir (Patuxent River), which carries higher Cockeysville Marble calcareous input than the Potomac River supply. Rocky Gorge Reservoir (Patuxent River) drains the Maryland Piedmont — Cambrian Cockeysville Marble (calcareous — primary hardness contributor at east Montgomery County Piedmont), Precambrian Baltimore Gneiss (slightly calcareous), and Triassic Potomac Group (slightly calcareous). The concentrated Cambrian Cockeysville Marble calcareous dissolution into the Patuxent produces the hard east Montgomery County supply.
At 177 mg/L, Cloverly's water is hard — scale builds steadily in kettles and appliances, dishwashers benefit from rinse aid, and water heaters should be descaled annually. Monthly descaling is recommended. The PFAS level of 9.7 ppt warrants a certified reverse osmosis drinking water filter — Fort Meade (Anne Arundel County — AFFF, directly on the Patuxent watershed), the NSA Fort Meade PFAS complex, and the Maryland Patuxent military-industrial corridor contribute to Cloverly's elevated readings.
Geology & Source: Cloverly in Montgomery County draws from WSSC Water on the Patuxent River via Rocky Gorge Reservoir (Montgomery County, central Maryland) — Rocky Gorge impounds the Patuxent River draining the Maryland Piedmont (Cambrian Cockeysville Marble, Precambrian Baltimore Gneiss — calcareous) — Maryland Montgomery County Rocky Gorge Patuxent Piedmont calcareous watershed produces hard water at 177 mg/L with TDS 437.1 mg/L.