Pasco County spans a wide range of property types, from fast-growing master-planned communities like Wesley Chapel and Trinity to rural acreage in Dade City and Zephyrhills where private wells are the norm. The county sits above the Floridan Aquifer, and as rainwater filters through the limestone, it dissolves calcium, magnesium, and iron, making Pasco well water naturally hard and often carrying iron or a sulfur smell. Hydrogen sulfide is especially common in Dade City and rural eastern Pasco, where the smell intensifies after storms or shifts in groundwater levels. Suburban areas in New Port Richey, Hudson, and Holiday are on municipal supply but still receive hard water, while properties in Land O' Lakes and Odessa straddle the line between city water and private wells depending on the subdivision.