EMP Discrete Water Quality Data
Discrete water quality monitoring data from the Sacramento-San Joaquin Bay-Delta collected by the Environmental Monitoring Program. Data is also accessible via the [Environmental Data Initiative](https://portal.edirepository.org/nis/mapbrowse?scope=edi&identifier=458&revision=12).
Data files
| Data title and description | Access data | File details | Last updated |
|---|---|---|---|
EMP_DWQ_1975-2023 Discrete water quality monitoring data from the Sacramento-San Joaquin Bay-Delta collected by the Environmental Monitoring Program. Data is also accessible via the [Environmental Data Initiative](https://portal.edirepository.org/nis/mapbrowse?scope=edi&identifier=458&revision=12). | Download | CSV | 06/05/25 |
EMP_DWQ_Stations_1975-2023 Discrete water quality monitoring data from the Sacramento-San Joaquin Bay-Delta collected by the Environmental Monitoring Program. Data is also accessible via the [Environmental Data Initiative](https://portal.edirepository.org/nis/mapbrowse?scope=edi&identifier=458&revision=12). | Download | CSV | 06/05/25 |
EMP_DWQ_FlagCodes Discrete water quality monitoring data from the Sacramento-San Joaquin Bay-Delta collected by the Environmental Monitoring Program. Data is also accessible via the [Environmental Data Initiative](https://portal.edirepository.org/nis/mapbrowse?scope=edi&identifier=458&revision=12). | Download | CSV | 06/05/25 |
Supporting files
| Data title and description | Access data | File details | Last updated |
|---|---|---|---|
EMP_DWQ_metadata_methods Tables describing field and lab methods. | PDF | 06/05/25 |