Pump-out stations in Michigan

21 listed from public open data: 13 with a name, 8 without a name in the source.

Where the 21 locations on this page with coordinates are, on an outline of the state from US Census TIGER data (open a row's map link for the exact spot).
Pump-out stations with a name
NameCityMapSource
Beadle Bay Marinamap of Beadle Bay MarinaOpenStreetMap
City of Alpena Small Boat Harbormap of City of Alpena Small Boat HarborOpenStreetMap
Elmwood Township Marinamap of Elmwood Township MarinaOpenStreetMap
Alpena MarinaAlpenamap of Alpena Marina, AlpenaOpenStreetMap
Dewitt MarineBellairemap of Dewitt Marine, BellaireOpenStreetMap
Anchor In MarinaCheboyganmap of Anchor In Marina, CheboyganOpenStreetMap
Drummond Island Yacht HavenDrummond Islandmap of Drummond Island Yacht Haven, Drummond IslandOpenStreetMap
Lost Peninsula MarinaEriemap of Lost Peninsula Marina, ErieOpenStreetMap
Burt Township MarinaGrand Maraismap of Burt Township Marina, Grand MaraisOpenStreetMap
Hammond Bay State HarborOcqueocmap of Hammond Bay State Harbor, OcqueocOpenStreetMap
Rogers City MarinaRogers Citymap of Rogers City Marina, Rogers CityOpenStreetMap
City of Saint Ignace Public MarinaSaint Ignacemap of City of Saint Ignace Public Marina, Saint IgnaceOpenStreetMap
Duncan L. Clinch MarinaTraverse Citymap of Duncan L. Clinch Marina, Traverse CityOpenStreetMap
Unnamed locations (8)

These are in the source data without a name. They are listed by city and map location.