New Jersey counties we have waterproofing guides for

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So far: Camden, Gloucester, Burlington, Mercer and Hunterdon counties, with more to follow. Each guide covers the county's radon results, ground conditions and storm history.

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South Jersey

  • Burlington County

    Sandy soils with high seasonal water tables, the Kirkwood-Cohansey aquifer and a wet 2026 storm season.

  • Camden County

    Glauconite clay, four Tier 1 radon boroughs, and a 2026 flash flood season that hit Camden and Pennsauken.

  • Gloucester County

    Seven Tier 1 radon towns, hydric soils, Mantua Creek's floodplain and mostly post-1980 homes.

Central Jersey

  • Hunterdon County

    Highlands and Piedmont rock, Tier 1 radon almost everywhere, and Lambertville's Ida flood.

  • Mercer County

    The Fall Line through Trenton and Princeton Junction, Tier 1 radon in Princeton, Ewing and Lawrence.