Olympian Water Testing™

The Hillsdale NJ water supply history reflects the broader transformation of Bergen County’s water infrastructure from the late 19th century to modern times. Originally incorporated as Hillsdale Township in 1898, this northern Bergen County community initially relied on private wells and small-scale water sources to serve its rural farming population.

The development of well water systems in Hillsdale began during the area’s agricultural period, when scattered farms and country stores near Pascack Brook depended on hand-dug wells and natural water sources. The arrival of the Hackensack and New York Railroad in 1870 marked the first major shift in the community’s water needs, as population growth began to strain existing well systems.

Municipal water development in Hillsdale accelerated significantly after the opening of the George Washington Bridge in the early 1930s, which brought waves of migration from New York City. This population boom necessitated more sophisticated water infrastructure beyond individual well systems. Today, United Water New Jersey provides water service to Hillsdale residents, serving customers across sixty municipalities in Bergen and Hudson Counties.

The transition from private wells to municipal water systems in Hillsdale mirrors the broader evolution of American water infrastructure, which developed through crisis-driven investments rather than comprehensive planning. This transformation ensured reliable water access for Hillsdale’s current population of over 10,000 residents, replacing the uncertain well water systems that once served the community’s agricultural past.