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Federal
USGS measurements of water quality in San Francisco Bay (CA), 2016-2021 (ver. 4.0, March 2023)
Department of the Interior —
The U.S. Geological Survey maintains a program of water-quality studies in San Francisco Bay (CA) that began in 1969. This USGS Data Release archives and makes... -
Federal
Daily Estimates of Chlorophyll Concentration for 82 U.S. Rivers: 1. Site Information
Department of the Interior —
This child item dataset provides site information for 82 streams and rivers from which data was used to train and test a machine learning model of daily chlorophyll... -
Federal
Microcystin, chlorophyll, and cell-count data for assessing the effect of salinity tolerance on cyanobacteria associated with a harmful algal bloom in Lake Okeechobee, Florida, July 9 to 17, 2017
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides microcystin, chlorophyll, and cell-count data for assessing the effect of salinity tolerance on cyanobacteria... -
Federal
Velocity and water-quality surveys in the Ohio River between Markland Locks and Dam and McAlpine Locks and Dam, Kentucky and Indiana, October 27–November 4, 2016, and June 26–29, 2017
Department of the Interior —
Velocity and water-quality surveys were completed along an approximately 71-mile reach of the Ohio River between Markland Locks and Dam (river mile 531.5) and... -
Federal
U.S. Geological Survey National Real-Time Water Quality Data for the Nation Data Service
Department of the Interior —
The U.S. Geological Survey National Real-Time Water Quality (NRTWQ) Data Service (https://nrtwq.usgs.gov) provides computed concentrations and loads for sediment,... -
Federal
Water-quality measurements (near surface) collected along cross-section and longitudinal lines in the Ohio River between Markland Locks and Dam and McAlpine Locks and Dam, Kentucky and Indiana, October 27–November 4, 2016 (survey #1)
Department of the Interior —
Velocity and water-quality surveys were completed along an approximately 71-mile reach of the Ohio River between Markland Locks and Dam (river mile 531.5) and... -
Federal
Water-quality data for base flow and storm runoff samples collected in Johnson County, Kansas, from January 2015 through June 2016
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides selected discretely measured water-quality data collected from 27 monitoring sites in Johnson County, Kansas,... -
Federal
Autonomous Underwater Vehicle Water-Quality Measurements in the Cape Fear River, multiple locations, North Carolina, 2022
Department of the Interior —
This U.S. Geological Survey (USGS) data release presents water-quality and bathymetric data measured with an Autonomous Underwater Vehicle (AUV) during spatial... -
Federal
Stability testing results for stock solutions to standardize calibration of field fluorescence sensors
Department of the Interior —
Optical sensors measuring fluorescence of dissolved organic matter (fDOM) are increasingly used in water quality studies because they provide proxy measurements for a... -
Federal
GLM-AED calibration inputs and outputs
Department of the Interior —
In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired,... -
Federal
Daily Estimates of Chlorophyll Concentration for 82 U.S. Rivers: 3. Approval Status
Department of the Interior —
This child item dataset contains the source of chlorophyll data as well as the approval status of all data aquired from the USGS National Water Information System... -
Federal
Velocity test data for assessing the effect of salinity tolerance on cyanobacteria associated with a harmful algal bloom in Lake Okeechobee, Florida, July 10 to 13, 2017
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides velocity test data for assessing the effect of salinity tolerance on cyanobacteria associated with a harmful... -
Federal
Velocity measurements collected along cross-section lines (transects) in the Ohio River between Markland Locks and Dam and McAlpine Locks and Dam, Kentucky and Indiana, October 27–November 4, 2016 (survey #1)
Department of the Interior —
Velocity and water-quality surveys were completed along an approximately 71-mile reach of the Ohio River between Markland Locks and Dam (river mile 531.5) and... -
Federal
Optical measurements collected from the Colorado River, near Lees Ferry, Arizona, September 23, 2019
Department of the Interior —
To support an investigation of the feasibility of measuring river bathymetry using remotely sensed data, remotely sensed bathymetry and field measurements were... -
Federal
GLM-AED determining causes of metalimnetic dissolved oxygen minima
Department of the Interior —
In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired,... -
Federal
Water-quality measurements (at depths) collected at stationary locations (verticals) in the Ohio River between Markland Locks and Dam and McAlpine Locks and Dam, Kentucky and Indiana, October 27–November 4, 2016 (survey #1)
Department of the Interior —
Velocity and water-quality surveys were completed along an approximately 71-mile reach of the Ohio River between Markland Locks and Dam (river mile 531.5) and... -
Federal
Water-quality and preceding precipitation data for low-flow and storm-event samples collected in Johnson County, Kansas, from January 2015 through November 2018
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides selected discretely measured water-quality data collected from 27 monitoring sites in Johnson County, Kansas,... -
Federal
Optical and sediment measurements collected from the Colorado River, near Parshall, Colorado, June 13, 2019
Department of the Interior —
To support an investigation of the feasibility of measuring river bathymetry using remotely sensed data acquired from a small unmanned aircraft system (sUAS),... -
Federal
Near-Surface Spatial Water-Quality Surveys along the Caloosahatchee River and St. Lucie River in July 2020 and the Caloosahatchee River in September 2020, south Florida
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides spatial water-quality data collected from the Caloosahatchee River and St. Lucie River July 13-15, 2020 and... -
Federal
Milford Lake, Kansas spatial water-quality data, May 26, June 9, July 14, July 21, and September 15, 2016
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides spatial water-quality data collected from Milford Lake, Kansas, on May 26, June 9, July 14, July 21, and...