Sensitivity of benthic biota and toxicity of cadmium, cobalt, copper, nickel, lead, and zinc mixtures in Washington, United States, and British Columbia, Canada
Laurie S. Balistrieri
2025, Scientific Investigations Report 2025-5001
Relative sensitivities and responses of juvenile white sturgeon (Acipenser transmontanus), Hyalella azteca, two families of mayfly (Ephemerellidae, Heptageniidae), one family of caddisfly (Brachycentridae), and a natural community of benthic macroinvertebrates (BMI) to multiple metals are predicted using previously collected laboratory and field samples and a metal mixture model. Biological responses...
Ungulate migrations of the Western United States, volume 5
Matthew Kauffman, Blake Lowrey, Jennifer L. McKee, Travis Allen, Chloe Beaupre, Jeffrey L. Beck, Scott Bergen, Justin Binfet, Shelly Blair, James W. Cain III, Peyton Carl, Todd Cornish, Michelle Cowardin, Rachel Curtis, Melia DeVivo, Jennifer Diamond, Katie Dugger, Orrin Duvuvuei, C.J. Ellingwood, Darby Finely, Jessica Fort, Eric Freeman, Ian Freeman, Jeff Gagnon, Emily Gelzer, Jacob Gray, Evan Greenspan, Curtis Hendricks, Valerie Hinojoza-Rood, Matthew Jeffress, Carolyn A. Kyle, Zack Lockyer, Cody McKee, Jerod Merkle, Jerrod Merrell, Matthew Mumma, Jake Powell, Craig Reddell, Adele K. Reinking, Robert Ritson, Sierra Robatcek, Benjamin S. Robb, Brianna M. Russo, Hall Sawyer, Cody Schroeder, Elissa Slezak, Scott Sprague, Erik Steiner, Alethea Steingisser, Tom Stephenson, Nicole Tatman, Kaitlyn L. Taylor, Don Whittaker, Travis Zaffarano
2025, Scientific Investigations Report 2024-5111
Many ungulates migrate between distinct summer and winter ranges to take advantage of spatially and temporally variable food sources and avoid threats such as predators and deep snow. In 2018, the U.S. Department of the Interior established Secretarial Order 3362, which provided Federal support to expand existing research efforts to...
Hydrogeomorphic history, hydrodynamic conditions, and simulations of water levels and velocities from varying lake levels and streamflow for the Sheboygan Rivermouth and area of concern, Wisconsin
Faith A. Fitzpatrick, Stephen, M. Westenbroek, Paul C. Reneau, James D. Blount
2025, Scientific Investigations Report 2024-5125
In 2011–13, the U.S. Geological Survey (USGS) conducted a study of the hydrogeomorphic setting and hydrodynamic conditions of the lower Sheboygan River and island complex within the backwater zone of Lake Michigan. Analyses of historical aerial photographs from 1938–2010 indicated that the Wildwood Islands complex had experienced mainly erosion and...
2022 Volcanic activity in Alaska and the Northern Mariana Islands—Summary of events and response of the Alaska Volcano Observatory
Tim R. Orr, Hannah R. Dietterich, Ronni Grapenthin, Matthew M. Haney, Matthew W. Loewen, Pablo Saunders-Shultz, Darren Tan, Christopher F. Waythomas, Aaron G. Wech
2025, Scientific Investigations Report 2024-5108
In 2022, the Alaska Volcano Observatory responded to eruptions, volcanic unrest or suspected unrest, increased seismicity, and other significant activity at 11 volcanic centers in Alaska and in the Northern Mariana Islands. Eruptive activity in Alaska consisted of repeated small, ash-producing, phreatomagmatic explosions from Mount Young on Semisopochnoi Island; the...
Groundwater hydrology, groundwater and surface-water interactions, water quality, and groundwater-flow simulations for the Wet Mountain Valley alluvial aquifer, Custer and Fremont Counties, Colorado, 2017–19
Connor P. Newman, Cory A. Russell, Zachary D. Kisfalusi, Suzanne S. Paschke
2025, Scientific Investigations Report 2024-5105
In 2017, the U.S. Geological Survey, in cooperation with the Upper Arkansas Water Conservancy District, began a study to provide a comprehensive analysis of the Wet Mountain Valley alluvial aquifer, Custer and Fremont Counties, Colorado. The study included collection of data pertaining to groundwater hydrology, groundwater and surface-water interactions, and...
Methods to determine streamflow statistics based on data through water year 2021 for selected streamgages in or near Wyoming
Daniel W. Armstrong, David A. Lange, Katherine J. Chase
2025, Scientific Investigations Report 2024-5104
The U.S. Geological Survey (USGS), in cooperation with the Wyoming Water Development Office, developed streamflow statistics for streamgages in and near Wyoming. Statistics were computed for active (through September 30, 2021) and discontinued USGS streamgages with 10 or more years of daily mean streamflow record. Streamflow at each streamgage was...
Bathymetric contour maps, surface area and capacity tables, and bathymetric change maps for selected water-supply lakes in Missouri, 2022–23
Benjamin C. Rivers, Richard J. Huizinga, Garett J. Waite
2025, Scientific Investigations Report 2024-5114
Bathymetric data were collected at 13 water-supply lakes around the periphery of Missouri by the U.S. Geological Survey in cooperation with the Missouri Department of Natural Resources and various local agencies, as part of a multiyear effort to establish or update the surface area and capacity tables for the surveyed...
Hydrogeologic framework of the Mountain Home area, southern Idaho
Lauren M. Zinsser, Scott D. Ducar
2025, Scientific Investigations Report 2024-5132
In the arid western Snake River Plain around the City of Mountain Home, Idaho, declining groundwater levels concern agricultural, municipal, and other water users who rely on groundwater for sustenance because surface-water resources are limited. The U.S. Geological Survey developed this hydrogeologic framework to provide an updated characterization of groundwater...
Groundwater-level elevations in the Denver Basin bedrock aquifers and Upper Black Squirrel Creek alluvial aquifer, El Paso County, Colorado, 2021–24
Zachary D. Kisfalusi, Erin K. Hennessy, Jackson B. Sharp
2025, Scientific Investigations Report 2024-5123
El Paso County is the second-most populous county in Colorado and is projected to grow another 15 percent by 2030. Within El Paso County is the Upper Black Squirrel Creek Designated Groundwater Basin (Black Squirrel Basin), an area where surface water is scarce and water users rely primarily on groundwater...
Bison population dynamics, harvest, and conflict potential under feedground management alternatives at the National Elk Refuge in Jackson, Wyoming
Jonathan D. Cook, Margaret C. McEachran, Gavin G. Cotterill, Eric K Cole
2025, Scientific Investigations Report 2024-5119-D
Bison bison (bison) were once abundant across North America but declined due to overharvesting in the late 1800s. The reintroduced population in and around Jackson, Wyoming has averaged 485 individuals between 2018–2023 and is the subject of a planning process to inform management strategies that will guide the U.S. Fish...
Predictions of elk and chronic wasting disease dynamics at the National Elk Refuge in Jackson, Wyoming, and surrounding areas
Paul C. Cross, Jonathan D. Cook, Eric K. Cole
2025, Scientific Investigations Report 2024-5119-B
The U.S. Fish and Wildlife Service National Elk Refuge (NER) in Jackson, Wyoming, supplementally feeds Cervus elaphus canadensis (elk) and Bison bison (American bison) during winter months, but the costs and benefits of this management strategy are being reevaluated considering the potential effects of chronic wasting disease (CWD) on elk....
Decision analysis in support of the National Elk Refuge bison and elk management plan
Jonathan D. Cook, Paul C. Cross, editor(s)
2025, Scientific Investigations Report 2024-5119
Preface This report was developed to evaluate the performance of a set of proposed alternatives for Cervus elaphus canadensis (elk) and Bison bison (bison) management at the National Elk Refuge (NER) in Wyoming, U.S.A., and to inform a National Environmental Policy Act Environmental Impact Statement focused on developing the next “Bison...
Evaluating elk distribution and conflict under proposed management alternatives at the National Elk Refuge in Jackson, Wyoming
Gavin G. Cotterill, Paul C. Cross, Eric K Cole, Jonathan D. Cook, Margaret C. McEachran, Tabitha A. Graves
2025, Scientific Investigations Report 2024-5119-C
We evaluated measurable attributes describing the current and future distribution of Cervus elaphus canadensis (elk) across a region surrounding Jackson, Wyoming, for five feedground management alternatives proposed by the U.S. Fish and Wildlife Service as a revision to the 2007 “Bison and Elk Management Plan” of the National Elk Refuge....
Estimating the social and economic consequences of proposed management alternatives at the National Elk Refuge
Margaret C. McEachran, Andrew Don Carlos, Gavin G. Cotterill, Eric K Cole, Jonathan D. Cook
2025, Scientific Investigations Report 2024-5119-E
The National Elk Refuge (Refuge) is managed by the U.S. Fish and Wildlife Service and includes habitats for bison and elk. Bison and elk provide opportunities for wildlife-related recreation and contribute to the tourism industry in and around Jackson, Wyoming. Over the last century, the Refuge has provisioned supplemental feed...
Decision framing overview and performance of management alternatives for bison and elk feedground management at the National Elk Refuge in Jackson, Wyoming
Jonathan D. Cook, Gavin G. Cotterill, Margaret McEachran, Tabitha A. Graves, Eric K. Cole, Paul C. Cross
2025, Scientific Investigations Report 2024-5119-A
This report was developed to evaluate the performance of a set of proposed alternatives for Cervus elaphus canadensis (elk) and Bison bison (bison) management at the National Elk Refuge in Wyoming, U.S.A., and to inform a National Environmental Policy Act Environmental Impact Statement focused on developing the next “Bison and...
Groundwater-storage change in the north Phoenix aquifer, Arizona, 2020–23
Jeffrey R. Kennedy
2025, Scientific Investigations Report 2024-5120
The city of Phoenix, Arizona, relies primarily on surface water for municipal water supply. The city also maintains wells to withdraw groundwater, particularly in times of drought and reduced surface-water supply, and to recharge groundwater when excess surface water is available. As of 2023, withdrawals from the aquifer in the...
Simulating present and future groundwater/surface-water interactions and stream temperatures in Beaver Creek, Kenai Peninsula, Alaska
Andrew T. Leaf, Megan J. Haserodt, Benjamin E. Meyer, Stephen, M. Westenbroek, Joshua C. Koch
2024, Scientific Investigations Report 2024-5126
In many places, coldwater ecosystems are facing increasing pressure from anthropogenic warming. This study examined stream temperatures and the water balance in the Beaver Creek watershed on the Kenai Peninsula in south-central Alaska—an area that is experiencing rapid warming. Low-gradient streams near the Kenai coast provide important spawning and rearing...
Iodine-129 in the eastern Snake River Plain aquifer at and near the Idaho National Laboratory, Idaho, 2021–22
Kerri C. Treinen, Allison R. Trcka, Nick Krohe, Genene Lehotsky
2024, Scientific Investigations Report 2024-5124
Between the 1950s and 1980s, wastewater generated at the Idaho National Laboratory contained Iodine-129 (129I); this wastewater was discharged directly into the eastern Snake River Plain (ESRP) aquifer through a deep disposal well, unlined infiltration ponds, or leaked from distribution systems below industrial facilities. During 2021–22, the U.S. Geological Survey,...
Hydrologic and hydraulic analyses of Silver Creek and selected tributaries associated with Scott Air Force Base, Illinois, 2022–24
Charles V. Cigrand, David C. Heimann, Paul H. Rydlund Jr.
2024, Scientific Investigations Report 2024-5117
A hydrologic model of the Silver Creek Basin in southwest Illinois, and a hydraulic model of a selected reach of Silver Creek and local tributaries on and near Scott Air Force Base, Illinois, were developed to assess the effects of temporal land-use development in the Silver Creek Basin, the potential...
Improving time of concentration estimates for small rural watersheds in the Appalachian Plateaus physiographic province, West Virginia
Terence Messinger, Darrin A. Holmes, James D. Scott, Douglas W. Kirk
2024, Scientific Investigations Report 2024-5051
The U.S. Geological Survey (USGS), in cooperation with the West Virginia Department of Transportation, Division of Highways, compared time of concentration (Tc) and related runoff characteristics measured at four field sites in West Virginia to estimates of these values made using accepted methods. These four sites were selected to represent...
Three-dimensional hydrogeologic framework model of the Russian River watershed, California
Geoffrey Cromwell, Donald S. Sweetkind, Victoria E. Langenheim, Christopher P. Ely
2024, Scientific Investigations Report 2024-5083
The Russian River watershed is in northern Sonoma County and southern Mendocino County, California, in the northern part of the California Coast Ranges. The Russian River serves as a supply for agricultural irrigation and for municipal, domestic, and commercial uses. Through a cooperative agreement with the California State Water Resources...
Estimating domestic self-supplied water use in Rhode Island, 2014–21
Catherine A. Chamberlin, Ian P. Armstrong, Timothy J. Stagnitta
2024, Scientific Investigations Report 2024-5109
Water withdrawal from private groundwater wells is often unaccounted for in water planning studies, and water from private wells can be a source of exposure to environmental contaminants. The sizes of populations that depend on private wells for domestic water use and the amounts of water that are withdrawn from...
Perchlorate, metals, organic compounds, and lead isotopes in groundwater, surface water, shallow groundwater, and soil within and near the Middleton Municipal Airport–Morey Field (C29), Middleton, Wisconsin, 2022
Laura A. Schachter, Todd D. Stuntebeck
2024, Scientific Investigations Report 2024-5113
The Middleton Municipal Airport–Morey Field (C29) is in the City of Middleton and adjacent to the towns of Middleton and Springfield, Wisconsin. Nearby homes in the towns rely on private drinking water wells, and residents are concerned about the potential contamination of groundwater and surface water by airport activities, including...
Desert Tortoise translocation plan for the U.S. Department of the Army National Training Center and Fort Irwin Western Training Area
Todd Esque, Ally Xiong, Sarah Doyle, Sean M. Murphy, Chad Wilhite, Kenneth Nussear
2024, Scientific Investigations Report 2024-5092
The U.S. Department of the Army proposes to commence military activity at the Fort Irwin National Training Center within the Western Training Area (WTA) and to translocate Mojave Desert tortoises (Gopherus agassizii; hereafter tortoise) that will be affected to the Western Training Area Translocation Site (WTATS). This desert tortoise translocation...
Flood-inundation maps for the Cuyahoga River in and near Independence, Ohio, 2024
Chad J. Ostheimer, Matthew T. Whitehead
2024, Scientific Investigations Report 2024-5122
Digital flood-inundation maps for a 9.9-mile reach of the Cuyahoga River in and near Independence, Ohio, were created by the U.S. Geological Survey (USGS) in cooperation with the Northeast Ohio Regional Sewer District Board of Trustees. Water-surface profiles were computed for the stream reach by using a one-dimensional steady-state step-backwater...
