Nutley Water Hardness & Quality Report (2026)

Nutley, New Jersey, in Essex County — a major northeast New Jersey Newark suburban community (Nutley is a significant Essex County township — a northeast NJ suburb adjacent to Bloomfield and Clifton; Nutley is historically associated with its significant Italian-American heritage (Nutley is one of the most traditionally Italian-American communities in the Newark–Essex County suburban belt — the community's Italian-American churches, clubs, and civic organizations have been central to Nutley's identity for generations)); Nutley was once home of Hoffmann-La Roche (one of the most important pharmaceutical campuses in the United States — Roche's Nutley campus was one of the most significant pharmaceutical research and manufacturing facilities in the world from the 1930s through the 2000s; the campus has been redeveloped since Roche closed its Nutley operations), a diverse Essex County community with a primarily Italian-American, working-class, and increasingly diverse suburban population, adjacent to Clifton and Belleville in the northeast Essex County corridor — draws its municipal water supply via the United Water. Water hardness in Nutley measures 119 mg/L — classified as moderately hard.

Nutley's moderate hardness reflects the northeast NJ Essex County reservoir supply's calcareous-moderate character with effective treatment. The Wanaque and Oradell Reservoirs supply the northeast Essex County Nutley zone with effective treatment, producing the moderate 119 mg/L.

At 119 mg/L, Nutley residents encounter moderate scale accumulation. Monthly cleaning is recommended. United Water/Suez consistently delivers water meeting all New Jersey DEP and EPA Safe Drinking Water Act requirements.