Lindenwold Water Hardness & Quality Report (2026)

Lindenwold Utilities Department serves the Borough of Lindenwold in Camden County, New Jersey, providing water to approximately 20,000 residents across 4 square miles. The supply is sourced entirely from groundwater wells tapping the Atlantic City 800-Foot Sand Aquifer and Cohansey-Kirkwood formations. No surface water treatment plants exist; water is drawn from multiple production wells, disinfected with chlorine, and sometimes fluoridated under NJDEP oversight. No specific treatment plant names are detailed in available reports, but the system complies with all state and federal drinking water regulations.

Lindenwold relies on confined Coastal Plain aquifers rather than direct surface runoff. Key formations include the Miocene Cohansey Sand (silty quartz sands) and Kirkwood Formation (clays and sands), with deeper Pleistocene sands in the 800-foot aquifer. These unconsolidated sediments allow moderate mineralization from dissolved limestone remnants and magnesium-rich clays during groundwater transit, yielding a moderately hard supply prone to elevated calcium and magnesium — distinct from softer northern New Jersey bedrock sources.

At moderately hard levels, visible scale buildup appears in kettles, dishwashers, and showerheads within 6–12 months, and reduced soap lathering requires 20–50% more detergent. Hot water heaters suffer efficiency loss fastest, with sediment accumulation cutting lifespan by 30%. Monthly vinegar descaling, annual heater flushing, and a sediment pre-filter are recommended; a water softener provides full protection for this groundwater supply. Lindenwold meets EPA standards overall but recorded 15 violations since 2023, including disinfection byproduct exceedances. Lead averages 0.0012 mg/L (below action level); PFAS detected above MCLGs in trace amounts (e.g., PFOS/PFOA), prompting filter recommendations. Treatment includes groundwater pumping, aeration for volatiles, chlorination, and corrosion control.