"operator"=>"Watersportvereniging De Residentie"
"capacity"=>"500","power_supply"=>"yes","sanitary_dump_station"=>"yes"
"capacity"=>"120","sanitary_dump_station"=>"yes"
"capacity"=>"250","fuel:diesel"=>"yes","fuel:octane_95"=>"yes","power_supply"=>"yes","sanitary_dump_station"=>"yes"