Artificial residential waterways (ARWs) of Florida

Polygons, centerlines and mouth lines for 3,129 artificial residential waterway polygons in Florida, with each polygon's water management district, planform class, size, shoreline length, centerline length and in-water distance from its mouth. An ARW is a dredged canal or basin fronted by residential property that is large enough to hold a boat and connects by water to a natural water body. Produced by the Coastal Habitat and Water Quality Initiative (C-HAWQ), a Florida nonprofit. GIS processing, manual review and digitizing by Nathan Hewitt (C-HAWQ). Source data accessed May 2026; layer finalized October 2026. Water management district Polygons Area (km²) South Florida (SFWMD) 1,533 87.27 Southwest Florida (SWFWMD) 1,060 44.61 St. Johns River (SJRWMD) 362 9.65 Northwest Florida (NWFWMD) 124 2.25 Suwannee River (SRWMD) 50 1.03 Statewide 3,129 144.82