Table · dataset · 2025
Environmental Monitoring Program: Discrete Water Quality Data
Listed in California Open Data
The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) was initiated in compliance with the Water Right Decision D-1379 (now mandated by Water Right Decision D-1641) and has monitored discrete water quality and nutrients in the upper San Francisco Estuary since 1975.
Description
The objectives of the EMP are to obtain consistent and accurate monthly data at established monitoring stations, provide and document information necessary to achieve compliance with salinity, flow, and dissolved oxygen standards, and to report this information for the purpose of management and conservation of the upper San Francisco Estuary.
While the EMP also collects biological data, this dataset only includes the discrete water quality and nutrient data collected by the EMP from 1975-2021. Links to other EMP datasets can be found here. Data is also accessible via the Environmental Data Initiative.
Links
Get the data
- EMP_DWQ_1975-2023 data.cnra.ca.gov/dataset/a22f4a74-a789-47bc-96db-8deb3eed3d78/resource/9e52e355… ↗
download · from data ca gov
- EMP_DWQ_Stations_1975-2023 data.cnra.ca.gov/dataset/a22f4a74-a789-47bc-96db-8deb3eed3d78/resource/c9c488bb… ↗
download · from data ca gov
- EMP_DWQ_FlagCodes data.cnra.ca.gov/dataset/a22f4a74-a789-47bc-96db-8deb3eed3d78/resource/d6f5e555… ↗
download · from data ca gov
- EMP_DWQ_metadata_methods data.cnra.ca.gov/dataset/a22f4a74-a789-47bc-96db-8deb3eed3d78/resource/62021a48… ↗
download · from data ca gov
Where it is published
- California Open Data dataset page data.ca.gov/dataset/environmental-monitoring-program-discrete-water-qualit… ↗
landing page · from data ca gov
Documentation and papers
- Publisher page emp-dwr.github.io/emp-website ↗
documentation · from data ca gov
Catalogue records · 1
- CKAN API data.ca.gov/api/3/action/package_show?id=0001ba4c-d0e5-4541-a9af-dc03f9352… ↗
metadata API · from data ca gov
Topics
- Stated by source
- Natural Resources · Water
- From keywords
- Earth & Environmental Science
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| California Open Data | 0001ba4c-d0e5-4541-a9af-dc03f9352323 | 12 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].local:field:earth-environmental | mapping · data ca gov | connector:data_ca_gov@1.0.0 | |
| concepts[topic].ckan_group:data_ca_gov:natural-resources | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| concepts[topic].ckan_group:data_ca_gov:water | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| created_date | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| description | source · data ca gov | connector:data_ca_gov@1.0.0 | /notes |
| license_text | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| publication_date | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| title | source · data ca gov | connector:data_ca_gov@1.0.0 | /title |
| updated_date | source · data ca gov | connector:data_ca_gov@1.0.0 |