| WBTypeCode | WBTypeName | SWRCBWaterType |
| B | Bays and Harbors | Bay(s) & Harbors |
| C | Coastal Shorelines | Coastal & Bay Shoreline |
| E | Estuaries | Estuary |
| L_Un | Lakes/Reservoirs_Unknown | Lake, Reservoir |
| L_F | Lk/Res_Freshwater | Lake, Reservoir |
| L_S | Lk/Res_Saline | Lake, Reservoir |
| NA | Not Applicable | Not Applicable |
| NR | Not Recorded | Not Recorded |
| O | Ocean | Ocean |
| OTH_EF | Other_Effluent | Other Effluent |
| R_AC | Riv/Str_Agricultural Drain (Constructed) | Rivers/Streams |
| R_AM | Riv/Str_Agricultural Drain (Mixed Natural Contour) | Rivers/Streams |
| R_AN | Riv/Str_Agricultural Drain (Natural Contour) | Rivers/Streams |
| R_E | Riv/Str_Effluent Dominated Water | Rivers/Streams |
| R_I | Riv/Str_Intermittent | Rivers/Streams |
| R_NS | Riv/Str_No Subtype | Rivers/Streams |
| R_NW | Riv/Str_Non-Wadable | Rivers/Streams |
| R_O | Riv/Str_Other | Rivers/Streams |
| R_P | Riv/Str_Perennial | Rivers/Streams |
| R_Un | Riv/Str_Unknown | Rivers/Streams |
| R_W | Riv/Str_Wadable | Rivers/Streams |
| R | Rivers/Streams | |
| W_F | Wet_Freshwater | Wetlands |
| W_T | Wet_Tidal | Wetlands |
| W_S_C | Wetland_Saltwater_Constructed | |