Hillside Water Hardness & Quality Report (2026)

Hillside Village is a public community water system serving the municipality of Hillside in Essex County, New Jersey. The utility operates two groundwater wells as its primary water sources, with no surface water influence. The system provides drinking water to residential and commercial customers within Hillside's service area. Official water quality data is maintained by the New Jersey Department of Environmental Protection, and residents should consult the utility's most recent Consumer Confidence Report for current pH, lead/copper compliance testing, and treatment process details. The system is subject to EPA Safe Drinking Water Act standards and state regulations governing public water supplies.

The Hillside water supply draws from the Newark Basin aquifer system, which underlies much of northern New Jersey. This aquifer consists primarily of Triassic-age sandstones and shales that naturally contain dissolved minerals, particularly calcium and magnesium. Groundwater moving through these rock formations picks up these minerals over extended contact time, creating a moderately mineralized water supply characteristic of the region's hydrogeology. The Newark Basin's sedimentary geology is the defining factor in the supply's hardness profile.

At moderately hard levels, Hillside residents may notice mineral buildup on fixtures, reduced soap effectiveness, and scale accumulation in water heaters and appliances over time. Dishwashers and washing machines may require adjusted detergent amounts to maintain cleaning performance. While the water is safe to drink, many households choose to install point-of-use softening systems or use chelating agents to reduce mineral deposits, particularly for high-temperature applications where scale formation accelerates.