Summerfield Water Hardness & Quality Report (2026)
Water Hardness
6.6 grains per gallon
Source
reservoir
pH Level
7.7
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
208.2 mg/L
Est. Daily Cost
$0.30
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 Summerfield, your appliances are currently losing 15% efficiency due to mineral buildup.
| Appliance | In Summerfield | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.9 yrs | 8.5 yrs | -31% |
| Washing Machine | 9.4 yrs | 12 yrs | -22% |
| Water Heater | 11.1 yrs | 15 yrs | -26% |
Regional Water Comparison
How Summerfield compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Summerfield, Maryland | 113 mg/L | 6.1 ppt | 🟡 Moderately Hard | reservoir |
| Walker Mill, Maryland | 183.5 mg/L | 10 ppt | 🔴 Very Hard | reservoir |
| Largo, Maryland | 90.5 mg/L | 4.8 ppt | 🟡 Moderately Hard | reservoir |
| Landover, Maryland | 87.5 mg/L | 4.6 ppt | 🟡 Moderately Hard | reservoir |
| Kettering, Maryland | 190 mg/L | 10.4 ppt | 🔴 Very Hard | reservoir |
National Benchmark
How Summerfield compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Summerfield | 113 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Summerfield's Water Unique?
Local geology and source profile
Summerfield, Maryland, in Prince George's County — a Prince George's County unincorporated community adjacent to Camp Springs and Forestville in the Washington, DC eastern suburbs — receives its water from the Washington Suburban Sanitary Commission (WSSC), drawing from the Potomac River through the central Maryland distribution.
The moderately hard 113 mg/L hardness and TDS of 208.2 mg/L reflect the Prince George's County Potomac River supply's moderate calcareous character — the Cambrian Chilhowee Group and Ordovician Martinsburg Formation contribute calcareous mineral content from the Piedmont and Blue Ridge geological corridor, and the Potomac River WSSC supply is somewhat less hard than the Patuxent River supply (compare Camp Springs MD: 110/201 in Prince George's County comparable; Forestville MD: 115/214 in Prince George's County comparable; Summerfield consistent moderate from the same Prince George's County Potomac River Ordovician calcareous supply). The Potomac watershed — Cambrian Chilhowee Group (calcareous — primary hardness contributor), Ordovician Martinsburg Formation (calcareous — secondary contributor), and Quaternary Potomac alluvium (slightly calcareous — minor TDS).
At 113 mg/L with TDS 208, Summerfield's water is moderately hard — mild scale buildup. Semi-annual descaling is appropriate. The PFAS level of 6.1 ppt warrants a certified drinking water filter. Review WSSC's annual water quality report.
Geology & Source: Summerfield in Prince George's County draws from the WSSC on the Potomac River supply (Prince George's County, central Maryland) — the Potomac watershed drains Cambrian Chilhowee Group (calcareous) and Ordovician Martinsburg Formation (calcareous) — Maryland Prince George's County Potomac River Ordovician calcareous supply produces moderately hard water at 113 mg/L with TDS 208.2 mg/L.