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