A photograph of U.S. Geological Survey (USGS) custom automated pathogen sampler (top) and schematic illustrating the remote-unattended-automated pathogen sampler (bottom). Sample collection proceeds over the course of a runoff-event or low-flow period for up to a maximum of 5 days before a site visit by personnel is needed to collect the samples.
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A custom automated pathogen sampler and schematic illustration.
A photograph of U.S. Geological Survey (USGS) custom automated pathogen sampler (top) and schematic illustrating the remote-unattended-automated pathogen sampler (bottom). Sample collection proceeds over the course of a runoff-event or low-flow period for up to a maximum of 5 days before a site visit by personnel is needed to collect the samples.
Buras water tank, eye of Hurricane Katrina made its strongest landfall
New Orleans, La., July 29, 2008 -- Buras has become famous as the location where, on August 29, 2005, at 6:10 AM CDT, the eye of Hurricane Katrina, made its strongest landfall. The town's freshing painted water tower stands as a symbol of recovery for the state and the community. Jacinta Quesada/FEMA
New Orleans, La., July 29, 2008 -- Buras has become famous as the location where, on August 29, 2005, at 6:10 AM CDT, the eye of Hurricane Katrina, made its strongest landfall. The town's freshing painted water tower stands as a symbol of recovery for the state and the community. Jacinta Quesada/FEMA
Cumulative impacts of oil and gas production on watersheds in ND
Cumulative impacts of oil and gas production on watersheds in North Dakota between January 2008 and June 2015. Watershed volumes were calculated by combining reported values of oil, brine, and unidentified liquid waste accidentally released during drilling operations.
Cumulative impacts of oil and gas production on watersheds in North Dakota between January 2008 and June 2015. Watershed volumes were calculated by combining reported values of oil, brine, and unidentified liquid waste accidentally released during drilling operations.
Iron Reducing Bacteria
Iron Reducing Bacteria
FeRB isolated using a roll bottle technique from the former Uranium Mine near Ronneburg, Germany, Photo credit: Denise Akob, USGS
Iron Reducing Bacteria
FeRB isolated using a roll bottle technique from the former Uranium Mine near Ronneburg, Germany, Photo credit: Denise Akob, USGS
Raised Black External Tumors on an Adult Brown Bullhead Fish
Raised black external tumors on adult brown bullhead (Ameiurus nebulosus) collected from Lake Memphremagog (Vermont and Canadian Border) were identified as malignant melanoma in a 2014–17 study.
Raised black external tumors on adult brown bullhead (Ameiurus nebulosus) collected from Lake Memphremagog (Vermont and Canadian Border) were identified as malignant melanoma in a 2014–17 study.
Team of scientists studied changes in nitrapyrin
A team of scientists studied changes in nitrapyrin — a nitrification inhibitor applied with fertilizers as a bactericide to kill natural soil bacteria for the purpose of increasing crop yields — occurrence associated with land use changes from March to June 2016.
A team of scientists studied changes in nitrapyrin — a nitrification inhibitor applied with fertilizers as a bactericide to kill natural soil bacteria for the purpose of increasing crop yields — occurrence associated with land use changes from March to June 2016.
Burning coal to provide energy contributes mercury to the atmosphere
Burning coal to provide energy contributes mercury to the atmosphere
Burning coal to provide energy contributes mercury to the atmosphere
A map of bladder cancer mortality rates
Bladder cancer rates have been elevated in northern New England for at least 5 decades in males and females, which suggests environmental causal factors.
Bladder cancer rates have been elevated in northern New England for at least 5 decades in males and females, which suggests environmental causal factors.
A map of Ohio showing the locations of recreational areas sampled
A map of Ohio showing the locations of recreational areas sampled in the 201314 study. Modified from figure 1, Francy and others, 2016.
A map of Ohio showing the locations of recreational areas sampled in the 201314 study. Modified from figure 1, Francy and others, 2016.
Diatom mat used during a feeding experiment to study dietary uptake
Diatom mat used during a feeding experiment to study the dietary uptake of uranium by mayflies
Diatom mat used during a feeding experiment to study the dietary uptake of uranium by mayflies
Interactive map that identifies NRDAR cases
The new Damage Assessment and Restoration Tracking System (DARTS) Web site provides an interactive map that identifies Natural Resource Damage Assessment and Restoration (NRDAR) cases. The shapes of icons represent incident type; icon color represents the status of the case.
The new Damage Assessment and Restoration Tracking System (DARTS) Web site provides an interactive map that identifies Natural Resource Damage Assessment and Restoration (NRDAR) cases. The shapes of icons represent incident type; icon color represents the status of the case.
USGS scientist sampling tap water from a public water supply
USGS scientist sampling tap water from a public water supply.
USGS scientist sampling tap water from a public water supply.
Fog on Yukon River
Fog along the Yukon River showing a Black Spruce dominated forest in the foreground, which is prone to wildfire. Photo by Bruce Wylie, USGS
Fog along the Yukon River showing a Black Spruce dominated forest in the foreground, which is prone to wildfire. Photo by Bruce Wylie, USGS
Before and after photos of Fourmile Creek near Ankeny, Iowa
Before and after photos of Fourmile Creek near Ankeny, Iowa, showing a wastewater outfall from a wastewater treatment facility (WWTF). The top photo is the creek before the WWTFwas closed, and the bottom photo is after the WWTF was shutdown. After the shutdown flow in the creek decreased significantly. Photo credits: Laura E.
Before and after photos of Fourmile Creek near Ankeny, Iowa, showing a wastewater outfall from a wastewater treatment facility (WWTF). The top photo is the creek before the WWTFwas closed, and the bottom photo is after the WWTF was shutdown. After the shutdown flow in the creek decreased significantly. Photo credits: Laura E.
USGS scientist sampling tap water from a tap
USGS scientist sampling tap water from a public-water supply.
USGS scientist sampling tap water from a public-water supply.
Cyanobacterial blooms in 2016 on Lake Okeechobee, Florida
Cyanobacterial blooms, such as the one shown that occurred in 2016 on Lake Okeechobee, Florida, can release toxins.
Cyanobacterial blooms, such as the one shown that occurred in 2016 on Lake Okeechobee, Florida, can release toxins.
Sampling Trip on the Green River
Green River in the Upper Colorado River Basin.
Green River in the Upper Colorado River Basin.
Sampling Trip on the Green River
The Green River in the Upper Colorado River Basin.
The Green River in the Upper Colorado River Basin.
Soil sampling near a uranium mine site in Arizona
Soil sampling near the Kanab North uranium mine site in Arizona.
Soil sampling near the Kanab North uranium mine site in Arizona.
Soil sampling near a uranium mine site in Arizona
Soil sampling near the Kanab North uranium mine site in Arizona.
Soil sampling near the Kanab North uranium mine site in Arizona.
Setting a trap for gulls at the Soldotna landfill in June 2016
Scientists Andrew Ramey, Bjorn Olsen, and Jonas Bonnedahl (L to R) setting a trap for gulls at the Soldotna landfill in June 2016.
Scientists Andrew Ramey, Bjorn Olsen, and Jonas Bonnedahl (L to R) setting a trap for gulls at the Soldotna landfill in June 2016.