Routine Marine Sediment Chemistry

Prior to downloading data, please download the README file.

This dataset contains chemistry results from marine sediment sample collected from offshore (subtidal) and beaches (intertidal) from Puget Sound. It can be filtered by "Site Type".

See the Sediment Monitoring Program Website for more information about the program and the Science Section Documents Database to see sampling and analysis plans and reports related to this dataset.

Data and Resources

Additional Info

Field	Value
Source	https://data.kingcounty.gov/resource/s9uc-py3h
Author	Eash-Loucks, Wendy
Last Updated	October 28, 2025, 15:47 (UTC)
Created	October 28, 2025, 14:59 (UTC)
Category	Environment & Waste Management
Data collection methood	Differs by sample site. See individual sampling and analysis plans available here: https://green2.kingcounty.gov/ScienceLibrary/?&TopicID=3&CategoryID=2&DocumentTypeID=9
Datetime range	1987 to most recently available data
Excluded data	Data collected from near wastewater treatment plant outfalls and for special projects
Included data	Data collected as part of the routine monitoring program
Reason for collecting	Monitoring current conditions and long-term trends in marine sediment chemistry.
harvest_object_id	b236961f-b933-4002-affe-e5a3f2814440
harvest_source_id	61b30bec-bf94-4067-b6fd-acae5a532611
harvest_source_title	king-county