Chesapeake Ranch Estates Water Hardness & Quality Report (2026)
Water Hardness
8.6 grains per gallon
Source
reservoir
pH Level
8
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
322.6 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 Chesapeake Ranch Estates, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Chesapeake Ranch Estates | 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 Chesapeake Ranch Estates compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Chesapeake Ranch Estates, Maryland | 148 mg/L | 8 ppt | 🟠 Hard | reservoir |
| Chesapeake Ranch Estates-Drum Point, Maryland | 95.5 mg/L | 5 ppt | 🟡 Moderately Hard | reservoir |
| Lexington Park, Maryland | 102.5 mg/L | 5.4 ppt | 🟡 Moderately Hard | reservoir |
| California, Maryland | 92 mg/L | 4.8 ppt | 🟡 Moderately Hard | reservoir |
| Cambridge, Maryland | 98.5 mg/L | 5.2 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Chesapeake Ranch Estates compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Chesapeake Ranch Estates | 148 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Chesapeake Ranch Estates's Water Unique?
Local geology and source profile
Chesapeake Ranch Estates, Maryland, in Calvert County — a Calvert County unincorporated community adjacent to Prince Frederick and Lusby on the western shore of the Chesapeake Bay — receives its water from Calvert County Water and Sewer, drawing from the Patuxent River through the south Maryland distribution.
The hard 148 mg/L hardness and TDS of 322.6 mg/L reflect the Calvert County supply's hard Coastal Plain character — the Miocene Calvert Formation and Cretaceous Patuxent Formation are calcareous-sandy formations in the Maryland Coastal Plain, and the Patuxent River acquires moderate dissolved mineral content from its south Maryland drainage (compare Prince Frederick MD: 144/313 in Calvert County comparable; Lusby MD: 151/332 in Calvert County comparable; Chesapeake Ranch Estates consistent hard from the same Calvert County Patuxent River Miocene calcareous supply). The Patuxent watershed at Calvert County — Miocene Calvert Formation (sandy calcareous — primary hardness contributor), Cretaceous Patuxent Formation (slightly calcareous — secondary contributor), and Quaternary Coastal Plain alluvium (calcareous — minor TDS).
At 148 mg/L with TDS 323, Chesapeake Ranch Estates' water is hard — scale builds in appliances. Quarterly descaling is appropriate. The PFAS level of 8.0 ppt warrants a certified drinking water filter. Review Calvert County Water and Sewer's annual water quality report.
Geology & Source: Chesapeake Ranch Estates in Calvert County draws from the Calvert County Water on the Patuxent River supply (Calvert County, south Maryland) — the Calvert County watershed draws from Miocene Calvert Formation (sandy calcareous) and Cretaceous Patuxent Formation (slightly calcareous) — Maryland Calvert County Patuxent River Miocene calcareous supply produces hard water at 148 mg/L with TDS 322.6 mg/L.