The slope, topography, and geology of the dedicated site as well as its surroundings must be suitable for its intended purpose. Wetlands and floodplains may be accepted for village ownership and maintenance, but shall not serve as a credit toward the park site contribution. Storm water detention areas shall not be accepted for village ownership and maintenance, and the portion of a detention area designed to function primarily as a component of the storm water control system shall not serve as a credit toward the required park site contribution. Retention areas shall not be accepted for village ownership and maintenance and shall not serve as a credit toward the required park site contribution. A park site shall be not less than one acre in area. Wetlands, floodplains, detention areas, retention areas, and areas of steep slope shall not be accepted as school, municipal, or library sites and shall not serve as a credit toward the required school, municipal or library site cash in lieu of land contribution. (Ord. 89-04, 4-3-1989)