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Under section 303(d) of the 1972 Clean Water Act, states, territories, and authorized tribes are required to develop lists of impaired waters. These impaired waters do not meet water quality...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: November 12, 2026 at 08:21 AM -
The wntop_f grid represents the modeled elevation of the top of the Wanapum Basalt geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a spatial...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 09:12 PM -
Red alder (Alnus rubra) are a common component of forests in Western Oregon and Washington. This file provides an estimate of red alder basal area in western Oregon and Washington for each...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: November 12, 2026 at 08:21 AM -
The obtop_f grid represents the modeled elevation of the top of the Overburden geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a spatial...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: November 12, 2026 at 08:20 AM -
This data release combines seven airborne thermal infrared (TIR) remote sensing data sets of stream temperature collected along the mainstem of the Middle Fork John Day River (MFJD) in Oregon from...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:29 PM -
Phosphorus is a naturally occurring element found in all rocks; the amount varies by the type of rock. The amount of phosphorus in sediments is expected to be correlated with the amount of...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: November 12, 2026 at 08:19 AM -
Introduction and translocation programs require thoughtful planning to increase the likelihood of success and to understand the benefits, risks, and constraints of such programs. A risk assessment...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:01 PM -
This data release contains a dataset of continuous in-situ water temperature records from multiple federal, state, local agencies, non-profit organizations, and private industry partners across...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:54 PM -
Septic systems are useful for removing and processing human waste. However, they have the potential of leaking or discharging waste into the nearby system and increasing potential contamination...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: November 12, 2026 at 08:22 AM -
Basin-wide analysis of potential to improve tributary habitats in the Columbia River basin through restoration of habitat-forming processes. Identification of geomorphological target conditions...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:05 AM -
This data release includes laboratory analyses for fish tissue samples collected from Lake Koocanusa and the Kootenai River Basin in Montana during 2022. Samples were collected by the U.S....
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:45 PM -
The pmtop_f grid represents the modeled elevation of the top of the Older Bedrock geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a spatial...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: October 14, 2026 at 06:21 AM -
This shapefile was created as a boundary for the Columbia River Basalt extent and a buffered version was used to clip the geomodel unit grids. As part of a U.S. Geological Survey Groundwater...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: October 14, 2026 at 06:44 AM -
This data release includes analyses of core samples collected from Lake Koocanusa and the Kootenai River Basin in British Columbia, Canada and Montana, United States during September and October...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:23 PM -
The obthk_f grid represents the modeled thickness of the Overburden geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a spatial extent polygon...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: November 12, 2026 at 08:20 AM -
This investigation sought to characterize the shedding of infectious hematopoietic necrosis virus (IHNV) in two populations of Columbia River Basin (CRB) Chinook salmon (Oncorhynchus tshawytscha)....
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Publicly available data about potential PFAS sources and PFAS measurements in fish tissue. This dataset is associated with the following publication: DeLuca, N., A. Mullikin, P. Brumm, A....
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:00 PM -
The smtop_f grid represents the modeled elevation of the top of the Saddle Mountains Basalt geomodlel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: November 12, 2026 at 08:21 AM -
The grtop_f grid represents the modeled elevation of the top of the Grande Ronde Basalt geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: November 12, 2026 at 08:21 AM -
The grthk_f grid represents the modeled thickness of the Gronde Ronde Basalt geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a spatial...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: November 12, 2026 at 08:19 AM
