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Image: Precipitation Gage
Precipitation Gage
Precipitation Gage
Precipitation Gage

During August 2013, the Beaver Creek wildfire burned more than 114,000 acres near the south-central Idaho communities of Sun Valley, Ketchum, and Hailey. Partnering with Blaine County, the USGS installed a network of real-time precipitation gages in the burn area.

During August 2013, the Beaver Creek wildfire burned more than 114,000 acres near the south-central Idaho communities of Sun Valley, Ketchum, and Hailey. Partnering with Blaine County, the USGS installed a network of real-time precipitation gages in the burn area.

Image: Beaver Creek Burn Area Precipitation Gage
Beaver Creek Burn Area Precipitation Gage
Beaver Creek Burn Area Precipitation Gage
Beaver Creek Burn Area Precipitation Gage

During August 2013, the Beaver Creek wildfire burned more than 114,000 acres near the south-central Idaho communities of Sun Valley, Ketchum, and Hailey. Partnering with Blaine County, the USGS installed a network of real-time precipitation gages in the burn area.

During August 2013, the Beaver Creek wildfire burned more than 114,000 acres near the south-central Idaho communities of Sun Valley, Ketchum, and Hailey. Partnering with Blaine County, the USGS installed a network of real-time precipitation gages in the burn area.

Image: Water-Quality Study in Historical Idaho Mining District
Water-Quality Study in Historical Idaho Mining District
Water-Quality Study in Historical Idaho Mining District
Water-Quality Study in Historical Idaho Mining District

USGS Hydrologic Technician Alvin Sablan prepares to check USGS streamgage 13310850 on Meadow Creek in the historical Stibnite Mining District of central Idaho. Data from the streamgage were used in a USGS water-quality study in the area.

USGS Hydrologic Technician Alvin Sablan prepares to check USGS streamgage 13310850 on Meadow Creek in the historical Stibnite Mining District of central Idaho. Data from the streamgage were used in a USGS water-quality study in the area.

Image: Hydrologist Measuring Streamflow
Hydrologist Measuring Streamflow
Hydrologist Measuring Streamflow
Hydrologist Measuring Streamflow

USGS hydrologist Greg Clark measures streamflow on Government Gulch Creek, a tributarty to the Coeur d'Alene River in northern Idaho. Streamflow data collected are included in the Coeur d'Alene Basin Environmental Monitoring Program the USGS conducts in cooperation with the Environmental Protection Agency.

USGS hydrologist Greg Clark measures streamflow on Government Gulch Creek, a tributarty to the Coeur d'Alene River in northern Idaho. Streamflow data collected are included in the Coeur d'Alene Basin Environmental Monitoring Program the USGS conducts in cooperation with the Environmental Protection Agency.

Image: USGS Hydrologic Technician Measuring Streamflow
USGS Hydrologic Technician Measuring Streamflow
USGS Hydrologic Technician Measuring Streamflow
USGS Hydrologic Technician Measuring Streamflow

A U.S. Geological Survey hydroloic technician measures streamflow in the Blackfoot River at the site of USGS streamgaging station 13063000, Blackfoot River above Blackfoot Reservoir near Henry, ID.

A U.S. Geological Survey hydroloic technician measures streamflow in the Blackfoot River at the site of USGS streamgaging station 13063000, Blackfoot River above Blackfoot Reservoir near Henry, ID.

Image: Monitoring Mercury in Fish Tissue
Monitoring Mercury in Fish Tissue
Monitoring Mercury in Fish Tissue
Monitoring Mercury in Fish Tissue

USGS biologist Terry Maret holds a channel catfish samples as part of a mercury monitoring program conducted by the USGS and the City of Boise.

USGS biologist Terry Maret holds a channel catfish samples as part of a mercury monitoring program conducted by the USGS and the City of Boise.

USGS 13011000, Snake River near Moran, WY
USGS 13011000, Snake River near Moran, WY
USGS 13011000, Snake River near Moran, WY
USGS 13011000, Snake River near Moran, WY

A U.S. Geological Survey hydrologic technician uses an acoustic Doppler current profiler to measure streamflow on the Snake River downtream of Jackson Dam. Photographer by Natnan D. "Jake" Jacobson, USGS (reti).

A U.S. Geological Survey hydrologic technician uses an acoustic Doppler current profiler to measure streamflow on the Snake River downtream of Jackson Dam. Photographer by Natnan D. "Jake" Jacobson, USGS (reti).

Image: Fish Sampling on the Lower Snake River
Fish Sampling on the Lower Snake River
Fish Sampling on the Lower Snake River
Fish Sampling on the Lower Snake River

USGS biologist Terry Maret (left) joins a colleague from Idaho Power Company for cooperative fish sampling on the lower Snake River near Murphy, ID. Fish tissue samples were collected from selected fish to analyze for the presence of mercury as part of a monitoring program the USGS is conducting in cooperation with the City of Boise.

USGS biologist Terry Maret (left) joins a colleague from Idaho Power Company for cooperative fish sampling on the lower Snake River near Murphy, ID. Fish tissue samples were collected from selected fish to analyze for the presence of mercury as part of a monitoring program the USGS is conducting in cooperation with the City of Boise.

Image: Aftermath of Beaver Creek Wildfire
Aftermath of Beaver Creek Wildfire
Aftermath of Beaver Creek Wildfire
Aftermath of Beaver Creek Wildfire

Turbidity of Big Wood River from Beaver Crk fire runoff near stream gage 13135500 Big Wood River nr Ketchum, ID

Turbidity of Big Wood River from Beaver Crk fire runoff near stream gage 13135500 Big Wood River nr Ketchum, ID

Image: Aftermath of Beaver Creek Wildfire
Aftermath of Beaver Creek Wildfire
Aftermath of Beaver Creek Wildfire
Aftermath of Beaver Creek Wildfire

Turbidity of Big Wood River from runoff of Beaver Crk fire near stream gage 13135500 Big Wood River nr Ketchum, ID

Turbidity of Big Wood River from runoff of Beaver Crk fire near stream gage 13135500 Big Wood River nr Ketchum, ID

Image: Water-Quality Study in Historical Idaho Mining District
Water-Quality Study in Historical Idaho Mining District
Water-Quality Study in Historical Idaho Mining District
Water-Quality Study in Historical Idaho Mining District

USGS Hydrologic Technician Keith Hein carries water-quality samples past USGS streamgage 13311250 on the East Fork of the South Fork Salmon River. The samples were collected as part of a USGS water-quality study conducted in the historical Stibnite Mining District of central Idaho.

USGS Hydrologic Technician Keith Hein carries water-quality samples past USGS streamgage 13311250 on the East Fork of the South Fork Salmon River. The samples were collected as part of a USGS water-quality study conducted in the historical Stibnite Mining District of central Idaho.

Image: Streamgage 13317000, Salmon River at White Bird, Idaho
Streamgage 13317000, Salmon River at White Bird, Idaho
Streamgage 13317000, Salmon River at White Bird, Idaho
Streamgage 13317000, Salmon River at White Bird, Idaho

U.S. Geological Survey hydrographer Doug Ott inspects the gagehouse at streamgage stations 13317000, Salmon River at White Bird, Idaho, May 10, 2013. The flow at the gage was approximately 40,000 cubic feet per second at the time of this photo.

U.S. Geological Survey hydrographer Doug Ott inspects the gagehouse at streamgage stations 13317000, Salmon River at White Bird, Idaho, May 10, 2013. The flow at the gage was approximately 40,000 cubic feet per second at the time of this photo.

Image: Coeur dAlene Basin Environmental Monitoring Program
Coeur dAlene Basin Environmental Monitoring Program
Coeur dAlene Basin Environmental Monitoring Program
Coeur dAlene Basin Environmental Monitoring Program

The South Fork Coeur d'Alene River near Kellogg, Idaho has been impacted by historical mining activites. Since 2004, the USGS, in cooperation with the Environmental Protection Agency, has maintained a water-quality monitoring program in the Coeur d'Alene and Spokane River basins of northern Idaho and eastern Washington.

The South Fork Coeur d'Alene River near Kellogg, Idaho has been impacted by historical mining activites. Since 2004, the USGS, in cooperation with the Environmental Protection Agency, has maintained a water-quality monitoring program in the Coeur d'Alene and Spokane River basins of northern Idaho and eastern Washington.

Image: Total Phosphorus Mass Balance Models for the Lower Boise River
Total Phosphorus Mass Balance Models for the Lower Boise River
Total Phosphorus Mass Balance Models for the Lower Boise River
Total Phosphorus Mass Balance Models for the Lower Boise River

USGS hydrologic technician Alvin Sablan calibrates an acoustic Doppler current profiler before collecting a discharge measurement on the Boise River near Caldwell, Idaho. The discharge measurement and other data were used to develop total phosphorus mass balance models for the lower Boise River.

USGS hydrologic technician Alvin Sablan calibrates an acoustic Doppler current profiler before collecting a discharge measurement on the Boise River near Caldwell, Idaho. The discharge measurement and other data were used to develop total phosphorus mass balance models for the lower Boise River.

Image: Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch

USGS biologist Dorene MacCoy helps a citizen volunteer record water-quality data as part of the October 27 Watershed Watch citizen science event on the Boise River in Boise, ID.

USGS biologist Dorene MacCoy helps a citizen volunteer record water-quality data as part of the October 27 Watershed Watch citizen science event on the Boise River in Boise, ID.

Image: Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch

USGS biologist Dorene MacCoy helps citizen volunteers test a water-quality sample as part of the October 27 Watershed Watch citizen science event on the Boise River in Boise, ID.

USGS biologist Dorene MacCoy helps citizen volunteers test a water-quality sample as part of the October 27 Watershed Watch citizen science event on the Boise River in Boise, ID.

Image: Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch

USGS biologist Dorene MacCoy helps citizen volunteers identify macroinvertebrates collected from the Boise River as part of the October 27 Watershed Watch citizen science event in Boise, ID.

USGS biologist Dorene MacCoy helps citizen volunteers identify macroinvertebrates collected from the Boise River as part of the October 27 Watershed Watch citizen science event in Boise, ID.

Image: Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch

USGS biologist Dorene MacCoy and a group of citizen volunteers prepare to collect and record water-quality data as part of the October 27 Watershed Watch citizen science event on the Boise River in Boise, ID.

USGS biologist Dorene MacCoy and a group of citizen volunteers prepare to collect and record water-quality data as part of the October 27 Watershed Watch citizen science event on the Boise River in Boise, ID.

Image: Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch
Treasure Valley Watershed Watch

USGS biologist Dorene MacCoy and a group of citizen volunteers collect and record water-quality data as part of the October 27 Watershed Watch citizen science event on the Boise River in Boise, ID.

USGS biologist Dorene MacCoy and a group of citizen volunteers collect and record water-quality data as part of the October 27 Watershed Watch citizen science event on the Boise River in Boise, ID.

Image: Measuring Boise River Streamflow with an ADCP
Measuring Boise River Streamflow with an ADCP
Measuring Boise River Streamflow with an ADCP
Measuring Boise River Streamflow with an ADCP

U.S. Geological Survey hydrologic technicians prepare to use an acoustic Doppler current profiler to measure streamflow on the Boise River in Boise's Veterans Memorial Park as part of a study of phosphorus mass balance.

U.S. Geological Survey hydrologic technicians prepare to use an acoustic Doppler current profiler to measure streamflow on the Boise River in Boise's Veterans Memorial Park as part of a study of phosphorus mass balance.

Image: Measuring Boise River Streamflow with an ADCP
Measuring Boise River Streamflow with an ADCP
Measuring Boise River Streamflow with an ADCP
Measuring Boise River Streamflow with an ADCP

U.S. Geological Survey hydrologic technicians use an acoustic Doppler current profiler to measure streamflow on the Boise River in Boise's Veterans Memorial Park as part of a study of phosphorus mass balance.

U.S. Geological Survey hydrologic technicians use an acoustic Doppler current profiler to measure streamflow on the Boise River in Boise's Veterans Memorial Park as part of a study of phosphorus mass balance.