Landover Water Hardness & Quality Report (2026)
Water Hardness
5.1 grains per gallon
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
139.4 mg/L
Est. Daily Cost
$0.23
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 Landover, your appliances are currently losing 12% efficiency due to mineral buildup.
| Appliance | In Landover | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.7 yrs | 8.5 yrs | -21% |
| Washing Machine | 10.4 yrs | 12 yrs | -13% |
| Water Heater | 12.1 yrs | 15 yrs | -19% |
Regional Water Comparison
How Landover compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Landover, Maryland | 87.5 mg/L | 4.6 ppt | 🟡 Moderately Hard | reservoir |
| East Riverdale, Maryland | 153 mg/L | 8.3 ppt | 🟠 Hard | reservoir |
| New Carrollton, Maryland | 123 mg/L | 6.6 ppt | 🟠 Hard | reservoir |
| Hyattsville, Maryland | 140.5 mg/L | 7.6 ppt | 🟠 Hard | reservoir |
| Lanham-Seabrook, Maryland | 129 mg/L | 7 ppt | 🟠 Hard | reservoir |
National Benchmark
How Landover compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Landover | 87.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Landover's Water Unique?
Local geology and source profile
Landover, Maryland, in Prince George's County at the Capital One Arena corridor near the former FedEx Field site — a predominantly residential and commercial community at the junction of the Capital Beltway (I-95/495) and US-50 in central Prince George's County — receives its municipal water from the Washington Suburban Sanitary Commission (WSSC), drawing from the T. Howard Duckett Reservoir on the Patuxent River and supplementary Potomac River supply from the Little Falls Water Treatment Plant. Landover's central PG County position is primarily served through the Patuxent-influenced distribution zone of WSSC's service area.
The moderately soft 87.5 mg/L hardness and low TDS of 139.4 mg/L reflect the Patuxent River watershed's Piedmont Province character in its supply to central Prince George's County. The Patuxent River above the Duckett Reservoir drains the Maryland Piedmont — a broad terrane of Precambrian Grenville-age gneisses, schists, and migmatites with very limited carbonate exposure — producing soft reservoir water that is significantly softer than the harder Potomac River supply that WSSC blends in for northern service zone communities. Landover's central PG County distribution network receives a more Patuxent-weighted blend.
At 87.5 mg/L, Landover's water is moderately soft — among the softer WSSC supplies. Scale forms slowly in kettles and appliances over many months, soap lathers well, and the dishwasher produces clean results without special treatment. Semi-annual descaling of heating appliances is adequate. The PFAS level of 4.6 ppt is moderate for Prince George's County — while PG County has significant military (Andrews Air Force Base) and industrial PFAS contributors, Landover's position in the Patuxent-dominant supply zone provides some buffering from the highest PFAS inputs.
Geology & Source: Landover in Prince George's County is served by WSSC drawing from the Patuxent Reservoir (T. Howard Duckett Reservoir) — the Patuxent watershed drains the Piedmont Province over Precambrian metamorphic and crystalline rocks with minimal carbonate — Piedmont-dominant reservoir drainage produces moderately soft water at 87.5 mg/L for this Prince George's County community.