| Coastal Dams 2002 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Creek Watersheds 2000 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Creeks | Water Resources | City of San Luis Obispo | City of San Luis Obispo | | |  Zipped Shape File |
| Dam Inundations 2001 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Groundwater Basins 1999 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Hydrologic Areas | Water Resources | Central Coast Regional Water Quality Control Board | Central Coast Region (3) | | |  Zipped Shape File |
| Hydrologic Subarea | Water Resources | Central Coast Regional Water Quality Control Board | Central Coast Region (3) | | |  Zipped Shape File |
| Hydrologic Units | Water Resources | Central Coast Regional Water Quality Control Board | Central Coast Region (3) | | |  Zipped Shape File |
| Laguna Lake | Water Resources | City of San Luis Obispo | City of San Luis Obispo | | |  Zipped Shape File |
| Monitoring Sites (AW) | Water Resources | Central Coast Regional Water Quality Control Board | Central Coast Region (3) | | |  Zipped Shape File |
| Morro Bay Wetlands & Riparian | Water Resources | Central Coast Wetlands GIS Project | Morro Bay Watershed | | |  Zipped Shape File |
| NHD Countywide Streams 2006 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| NHD Countywide Waterbodies 2006 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |
| Region 3 Boundary | Water Resources | Central Coast Regional Water Quality Control Board | County of San Luis Obispo | | |  Zipped Shape File |
| Region 3 Hillshade | Water Resources | Central Coast Regional Water Quality Control Board | Central Coast Region (3) | | |  Zipped DEM File |
| Streams | Water Resources | Central Coast Regional Water Quality Control Board | Central Coast Region (3) | | |  Zipped Shape File |
| Streams | Water Resources | Cal Poly Swanton Pacific Ranch | Cal Poly | | |  Zipped Shape File |
| Streams on Cal Poly Campus | Water Resources | Cal Poly | Cal Poly | | |  Zipped Shape File |
| Water Planning Areas 1998 | Water Resources | SLO County | County of San Luis Obispo | | |  Zipped Shape File |