Contaminants in Fish Tissue - Ocean Monitoring Program
About this dataset
Concentrations of various contaminants in liver and muscle tissues of fishes collected throughout the region.
Samples are collected as part of The City’s Ocean Monitoring Program, which monitors the effects of treated wastewater effluent on the local marine environment. The OMP extends 340 square miles total from northern San Diego to northern Baja California, Mexico, and encompasses the shoreline seaward approximately 10 miles, to depths of over 500 meters.
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Data Downloads
| File name | Download actions | File Format | File size |
|---|---|---|---|
| Contaminants in Fish Tissue | Download |
CSV |
438.19 KB |
View a data sample
Showing 1 transposed sample row. Download the full dataset or a view to get the data.
Data Sample
| Field | Sample Value |
|---|---|
| project | OCEAN_SOUTH_BAY |
| zone | TFZONE6 |
| sample | 2410016104 |
| param_class | PAH |
| parameter | 3,4-benzo(B)fluoranthene |
| mdl | 71.2 |
| units | UG/KG |
| value | -9999 |
| qualifier | ND |
| station | TFZONE6 |
| depth_m | 28, 29 |
| rep | 2 |
| date_sample | 10/1/2024 |
| matrix | LIVER |
| species | Longfin Sanddab |
Understand the data
Each field in the data is defined in the table below. Use this information to inform usage of the data.
Download dictionaryData Dictionary
| Field | Data_type | Description | Possible_values |
|---|---|---|---|
| project | Outfall region where sample was collected | PLOO: Point Loma Ocean Outfall; SBOO: South Bay Ocean Outfall | |
| zone | Station, or combination of stations, where sample was collected. See station reference file for location | ||
| sample | Unique sample ID | ||
| param_class | Groups of related parameters | ||
| parameter | Analyte being recorded | ||
| mdl | Method detection limit | NA: not available | |
| units | Units of result value | UG/KG: parts per billion; MG/KG: parts per million; WT%: percent weight | |
| value | Result value | ||
| qualifier | Qualifier for value | ND: not detected; DNQ: Detected But Not Quantified; NA: not available | |
| station | Unique location ID where sample was collected. See station reference file for location | ||
| depth_m | Depth in meters | ||
| rep | Replicate number (up to 9 replicate samples collected per station/zone) | ||
| date_sample | Time period survey completed; yr = year, qtr = quarter | ||
| matrix | Type of sample material or tissue analyzed during testing. | ||
| species | Common name of fish species analyzed for each sample |
- PublisherPublic Utilities
- Last Updated Jul 23, 2026
- Update Frequency As needed
- Date Issued Nov 15, 2022
- Available Formats .CSV
- License View License
Data & Analytics
data@sandiego.gov