Princeton Meadows Water Hardness & Quality Report (2026)

Princeton Meadows, New Jersey, in Middlesex County — a Middlesex County community adjacent to Princeton and Plainsboro in central New Jersey — receives its water from NJ American Water or Princeton-area utilities, drawing from the Delaware and Raritan Canal or Millstone River (Middlesex County) through the central New Jersey distribution.

The moderately hard 169 mg/L hardness and TDS of 435 mg/L (TDS significantly elevated relative to hardness — reflecting the Delaware-Raritan Canal supply's higher dissolved solids from the central New Jersey Triassic redbeds and Coastal Plain margin dissolution) are harder than the upper Raritan Somerset County communities — reflecting the Princeton area's supply position drawing from the Delaware River-Raritan Canal Triassic calcareous input. The Delaware-Raritan watershed at Middlesex County — Triassic Brunswick Formation (calcareous — primary hardness contributor), Cretaceous Raritan Formation (slightly calcareous — TDS contributor), and Precambrian Reading Prong gneiss (insoluble — dilutant).

At 169 mg/L, Princeton Meadows' water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and faucet aerators need periodic cleaning. Quarterly descaling is appropriate. The PFAS level of 12.4 ppt warrants a certified reverse osmosis drinking water filter — McGuire Air Force Base (Burlington County — AFFF) and the central New Jersey industrial corridor contribute significantly to Princeton Meadows' very elevated readings.