Olympian Water Testing™

Borough Park, a vibrant and densely populated neighborhood in Brooklyn, New York City (NYC), shares in the borough’s and city’s extensive water management legacy, progressing from localized groundwater sources to a vast municipal network. In the 17th and 18th centuries, early Brooklyn settlers, including those in areas that would become Borough Park (then part of the Town of New Utrecht), relied on abundant private wells and springs tapping into the area’s rich freshwater aquifers, supplemented by surface ponds and imported water from nearby regions; historical records note Brooklyn’s groundwater was so plentiful that it was carted across the East River to Manhattan in the early 1700s, as detailed by the New York City Department of Environmental Protection (DEP). As urbanization accelerated in the 19th century, contamination from sewage, industrial waste, and saltwater intrusion plagued these local sources, leading to health crises like cholera outbreaks; this prompted the development of the Brooklyn City Water Works in the 1850s, featuring reservoirs such as Ridgewood (straddling Brooklyn and Queens) and conduits drawing from Long Island’s aquifers, though demand outstripped supply, culminating in the 1898 consolidation of Brooklyn with Manhattan and the integration into the Croton Aqueduct system by 1917 for cleaner surface water from upstate.

Today, Borough Park is served by the integrated NYC water supply system, overseen by the DEP, delivering water to nearly 9 million residents across over 7,000 miles of infrastructure. Sourcing entirely from protected upstate surface waters in the Croton, Catskill, and Delaware watersheds encompassing 19 reservoirs and three lakes over 2,000 square miles, up to 125 miles away, the system primarily utilizes the Delaware Aqueduct (the world’s longest tunnel at 85 miles) and blends supplies at Hillview Reservoir before distribution to Brooklyn via City Water Tunnel No. 2 and local mains. This gravity-powered setup provides about 1.3 billion gallons daily, enhanced by modern facilities like the 2013 Catskill/Delaware Ultraviolet Disinfection Facility for pathogen treatment without full filtration for most sources. Operations are supported by stringent watershed safeguards, including the DEP’s Land Acquisition Program protecting over 130,000 acres since 1997 and the 1997 Memorandum of Agreement with upstate stakeholders to minimize contamination. Recent initiatives feature widespread pipe upgrades under multi-billion-dollar capital plans to reduce leaks and improve durability, with corrosion inhibitors like phosphoric acid added to curb lead release. The system upholds fluoridation for oral health, though facing 2025 City Council proposals like Int 1379-2025 to ban it, prompting public discussions without current discontinuation. NYC is also advancing compliance with the EPA’s Lead and Copper Rule Improvements, completed inventories in October 2024 revealing nearly 30% of service lines (about 241,000 citywide, including in Borough Park’s historic pre-1961 structures) as lead or unknown, with mandates for full replacement by 2037; supported by federal Bipartisan Infrastructure Law funds and DEP’s free replacement program expanded in October 2025, alongside at-home testing and filter distribution for vulnerable properties, with targeted outreach planned for Borough Park in fall 2026.