Bedford Water Hardness & Quality Report (2026)

Bedford, New Hampshire, in Hillsborough County — one of New Hampshire's most affluent suburbs, a prestigious Hillsborough County town in the Manchester metro corridor, known for high household incomes, top-ranked schools, and the upscale Bedford Village Inn — receives its municipal water from Pennichuck Water Works or the Bedford Water Department, which draws from the Piscataquog River or the Merrimack River system through Manchester-area reservoir impoundments in the New Hampshire Upland watershed.

The very soft 30.5 mg/L hardness and very low TDS of 55 mg/L place Bedford among the softest water supplies in this dataset — characteristic of the New Hampshire granite upland. The Piscataquog River and Merrimack River headwaters drain the New Hampshire Upland — terrain underlain by Precambrian Ordovician metamorphic rocks (Littleton Formation mica schist and phyllite), the Devonian Concord Granite (coarse-grained grey biotite granite characteristic of central New Hampshire), and scattered Jurassic White Mountain Magma Series intrusive bodies (Conway Granite, Ossipee Ring-Dike). These granitic and metamorphic rocks have minimal carbonate content, producing characteristically very soft, low-TDS New Hampshire water. Bedford's extraordinarily soft supply (30.5 mg/L, TDS 55) ranks among the softest in the entire Northeast dataset.

At 30.5 mg/L, Bedford's water is very soft — excellent for nearly all household uses. Scale essentially never forms, soap lathers abundantly, and appliances have maximum mineral-free lifespan. Annual descaling is more than sufficient. The PFAS level of 4.8 ppt warrants a certified drinking water filter — the Merrimack Valley's Saint-Gobain Performance Plastics plant in Merrimack, NH was one of New England's most significant identified PFAS point sources, and the legacy fluoropolymer manufacturing's PFAS contamination in the Merrimack River basin directly affects southern New Hampshire communities including Bedford.