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Data

We collect data from Oregon lakes and streams, groundwater, landscapes, and ecosystems. You can explore the data on the map-based viewers below. Data is also available from our Oregon Monthly Water Availability Report.

Filter Total Items: 129

Contaminants in larval, juvenile, and adult Pacific lamprey (Entosphenus tridentatus), Oregon, 2017-2021

This data release contains analytical results of organohalogenated compounds and mercury in lamprey and sediment that were collected from rivers in Oregon and along the Pacific northwest coast from 2017 to 2021. In 2017, 20 lamprey were collected off the Washington and Oregon coasts by the National Oceanic and Atmospheric Administration. These ocean-caught juvenile lamprey were parasitizing target

Cyanotoxin concentrations in extracts from cyanobacteria colonies, plankton net tows, and Solid Phase Adsorption Toxin Tracking (SPATT) samplers in western rivers, lakes, and reservoirs, including drinking water sources in the Oregon Cascades: 2016-2020

This data release contains cyanotoxin concentrations for microcystins, cylindrospermopsins, anatoxins, and saxitoxins assessed using Enzyme-Linked Immunosorbent Assays (ELISA) on 363 samples collected from 82 surface-water sites located in the Cascade Range in Oregon, and eight sites located outside of the Oregon Cascade Range in Washington and California, during 2016-2020. Three sample types were

CE-QUAL-W2 water-quality model and data for Berlin Lake, Lake Milton, Michael J Kirwan Reservoir, Mosquito Creek Lake, and the Mahoning River, Ohio

The U.S. Army Corps of Engineers is considering changing the operations of Berlin Lake, Lake Milton, Michael J Kirwan Reservoir, and Mosquito Creek Lake. The lakes in this study are all reservoirs, formed by dams. These models were constructed to simulate those operations and document possible water-quality effects in the lakes, the lake outflows, and the Mahoning River downstream of the lakes. Th

Klamath Marsh January Through June Maximum Surface Water Extent, 1985-2021

The U.S. Geological Survey Oregon Water Science Center, in cooperation with The Klamath Tribes initiated a project to understand changes in surface-water prevalence of Klamath Marsh, Oregon and changes in groundwater levels within and surrounding the marsh. The initial phase of the study focused on developing datasets needed for future interpretive phases of the investigation. This data release do

Images and Identifications of Wild Bees Collected in Eastern Iowa, 2019

Bees were collected in 24 fields across eastern Iowa in summer 2019. This data collection was part of a pesticide study funded by the USGS Ecosystems Mission Area- Environmental Health Program. Bees were collected using the sweep net method and then were immediately placed on dry ice in the field. Bees were kept frozen to prevent degradation. In the lab, each wild bee was photographed from one or

Dissolved Gas Modeling Results for Groundwater Samples Collected in the Western Lake Michigan Drainages and Eastern Iowa Basins Study Areas of the United States: 2007, 2017

This data release contains the results from a study of the transport and transformation of nitrate in groundwater and streams across diverse glacial terranes within the Western Lake Michigan (WMIC) Drainages and Eastern Iowa (EIWA) Basins of the United States. The primary focus of the study was on how varying redox conditions influence the timing and delivery of nitrate to streams in agricultural

Wells and water levels used in the Columbia Plateau Regional Aquifer System Study, Idaho, Oregon, and Washington

These data describe the wells and groundwater level elevations compiled for the Columbia Plateau Regional Aquifer Study (CPRAS). The well data included are well ids used in the study, the X and Y coordinates of each well, in feet, in Washington State Plane South NAD 1983 coordinate system (zone 4602), land-surface elevation, in feet, of each well in North American Vertical Datum of 1988 (NAVD 88),

Model Archive Summary for acoustic derived suspended-sediment concentration at 14211720 Willamette River at Portland, OR

Model archive summary describing the development of an acoustic derived suspended sediment time series computation model. The model archive summary describes the methods and techniques used to develop the model for the Willamette River at Portland site - USGS site ID# 14211720. The time series suspended sediment data will help determine the suspended sediment concentration at the site in real-time

Water quality measurements in off-channel water bodies of the Willamette River near Albany and Keizer, OR (2017 and 2019)

The tabular data sets and associated maps in this data release represent water-quality data that were collected between April and November of 2017 and between July and November of 2019 to describe baseline conditions prior to or sometimes following treatments using herbicides or other methods to reduce the biomass of non-native water primrose (Ludwigia) within off-channel water bodies of the Willa

Uptake and bioaccumulation of per- and polyfluoroalkyl substances in fish in the Columbia Slough, Portland, Oregon: 2019-2020

The Columbia Slough is located south and parallel to the Columbia River in Portland, Oregon and consists of approximately 19 miles of predominantly urbanized waterway that drains approximately 32,700 acres of land with industrial, commercial, residential, and agricultural uses. Per- and polyfluoroalkyl substances (PFAS) are found in aqueous film forming foams (AFFF) used for firefighting, and soil

Stochastic Empirical Loading and Dilution Model (SELDM) model archive and instructions for the Siskiyou Pass, Oregon

Chloride deicers have been applied by the Oregon Department of Transportation (ODOT) to Interstate-5 (I-5) from the Oregon-California border north to mile marker 10 for several years in the high-elevation area known as the Siskiyou Pass. Magnesium chloride (MgCl2) and sodium chloride (NaCl) are applied to keep the interstate safe for drivers and allow for efficient transport of goods and people th

Native and Non-Native Fish Species in the Willamette River Basin, Oregon

The Willamette River Basin, Oregon, supports native fish species and non-native fish species introduced for sport fisheries or accidentally from aquarium releases and other sources. Based on fish surveys completed from 1998 to 2018 by Oregon State University and records from the Oregon State University Ichthyology Collection, the Willamette River Basin has 34 native fish species found upstream of
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