East Hampton Water Hardness & Quality Report (2026)
Water Hardness
10.4 grains per gallon
Source
reservoir
pH Level
8.2
neutral = 7.0
Lead
0.008 mg/L
✓ Below action level
TDS
438.2 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 East Hampton, your appliances are currently losing 24% efficiency due to mineral buildup.
| Appliance | In East Hampton | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.7 yrs | 8.5 yrs | -56% |
| Washing Machine | 7 yrs | 12 yrs | -42% |
| Water Heater | 8.5 yrs | 15 yrs | -43% |
Regional Water Comparison
How East Hampton compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ East Hampton, Virginia | 177.5 mg/L | 9.2 ppt | 🟠 Hard | reservoir |
| Hampton, Virginia | 92 mg/L | 4.6 ppt | 🟡 Moderately Hard | reservoir |
| Newport News, Virginia | 103 mg/L | 5.2 ppt | 🟡 Moderately Hard | reservoir |
| Norfolk, Virginia | 112.5 mg/L | 5.7 ppt | 🟡 Moderately Hard | reservoir |
| Portsmouth, Virginia | 169 mg/L | 8.7 ppt | 🟠 Hard | reservoir |
National Benchmark
How East Hampton compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ East Hampton | 177.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes East Hampton's Water Unique?
Local geology and source profile
East Hampton, Virginia (part of the City of Hampton on the Virginia Peninsula) receives its municipal water supply from Hampton Roads Sanitation District (HRSD) and the Newport News Waterworks, which operates the Harwood's Mill Reservoir and Lee Hall Reservoir — two large surface water impoundments in Newport News and York County that supply the broader Hampton Roads Peninsula distribution network. The reservoirs collect runoff from the upper Virginia Peninsula's coastal plain watershed, treated at major water treatment facilities before distribution to Hampton and surrounding cities. Water hardness in East Hampton reaches 177.5 mg/L — classified as hard.
East Hampton's hard supply reflects the coastal plain geology of the Virginia Peninsula and the mineralogical character of the Harwood's Mill and Lee Hall reservoir watersheds. Both reservoirs collect drainage from terrain underlain by the Cretaceous Potomac Group — a thick sequence of sand, gravel, silt, and clay deposited in ancient river deltas — and overlying Tertiary Pliocene and Miocene coastal plain sediments that include calcareous shell beds and marl layers from ancient marine environments. These marine carbonate-influenced Tertiary sediments contribute significant dissolved calcium, while the tidal influence of the lower Virginia Peninsula adds background dissolved mineral content. The resulting supply is distinctly harder than Virginia's Blue Ridge and Piedmont mountain communities.
At 177.5 mg/L, East Hampton residents face regular limescale build-up on bathroom fixtures, faucet aerators, and inside appliances. Monthly cleaning with citric acid descaler keeps showerheads and faucets functioning well. Dishwashers consistently produce better glassware results with rinse-aid, and water heaters should be inspected annually for element scale. Newport News Waterworks consistently delivers water meeting all Virginia DEQ and EPA Safe Drinking Water Act standards throughout the Hampton Roads Peninsula distribution system.
Geology & Source: Reservoir supply from the Harwood's Mill Reservoir on the Warwick River and Lee Hall Reservoir on the Skiffes Creek tributary — the reservoirs collect coastal plain runoff across Cretaceous Potomac Group sands and gravels and Tertiary coastal plain sediments in the Hampton Roads Peninsula, with tidal mixing influence, producing hard supply at 177.5 mg/L.