| WBTypeCode | WBTypeName | SWRCBWaterType | LastUpdateDate |
| B | Bays and Harbors | | 2007-09-01 |
| C | Coastal Shorelines | | 2007-09-01 |
| E | Estuaries | | 2007-09-01 |
| L_Un | Lakes/Reservoirs_Unknown | | 2007-09-01 |
| L_F | Lk/Res_Freshwater | | 2007-09-01 |
| L_S | Lk/Res_Saline | | 2007-09-01 |
| NA | Not Applicable | Not Applicable | 2014-06-06 |
| NR | Not Recorded | | 2007-09-01 |
| O | Ocean | | 2007-09-01 |
| OTH_EF | Other_Effluent | | 2012-01-10 |
| OTH_IF | Other_Influent | Other Influent | 2019-05-09 |
| R_AC | Riv/Str_Agricultural Drain (Constructed) | | 2007-09-01 |
| R_AM | Riv/Str_Agricultural Drain (Mixed Natural Contour) | | 2012-12-20 |
| R_AN | Riv/Str_Agricultural Drain (Natural Contour) | | 2007-09-01 |
| R_E | Riv/Str_Effluent Dominated Water | | 2007-09-01 |
| R_I | Riv/Str_Intermittent | | 2007-09-01 |
| R_NS | Riv/Str_No Subtype | | 2007-09-01 |
| R_NW | Riv/Str_Non-Wadable | | 2007-09-01 |
| R_O | Riv/Str_Other | | 2007-09-01 |
| R_P | Riv/Str_Perennial | | 2007-09-01 |
| R_Un | Riv/Str_Unknown | | 2007-09-01 |
| R_W | Riv/Str_Wadable | | 2007-09-01 |
| R | Rivers/Streams | | 2008-01-01 |
| SD | Storm Drain | Storm Drain | 2017-10-04 |
| Wel | Well | Well | 2013-02-10 |
| W_F | Wet_Freshwater | | 2007-09-01 |
| W_T | Wet_Tidal | | 2007-09-01 |
| W_S_C | Wetland_Saltwater_Constructed | | 2024-10-29 |