Groundwater-quality data from the eastern Snake River Plain Aquifer, Jerome and Gooding Counties, south-central Idaho, 2017
Kenneth D. Skinner
2018, Data Series 1085
Groundwater-quality samples and water-level data were collected from 36 wells in the Jerome/Gooding County area of the eastern Snake River Plain aquifer during June 2017. The wells included 30 wells sampled for the U.S. Geological Survey’s National Water-Quality Assessment project, plus an additional 6 wells were selected to increase...
Methods for peak-flow frequency analysis and reporting for streamgages in or near Montana based on data through water year 2015
Steven K. Sando, Peter M. McCarthy
2018, Scientific Investigations Report 2018-5046
This report documents the methods for peak-flow frequency (hereinafter “frequency”) analysis and reporting for streamgages in and near Montana following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities...
Hydrogeologic setting, conceptual groundwater flow system, and hydrologic conditions 1995–2010 in Florida and parts of Georgia, Alabama, and South Carolina
Jason C. Bellino, Eve L. Kuniansky, Andrew M. O'Reilly, Joann F. Dixon
2018, Scientific Investigations Report 2018-5030
The hydrogeologic setting and groundwater flow system in Florida and parts of Georgia, Alabama, and South Carolina is dominated by the highly transmissive Floridan aquifer system. This principal aquifer is a vital source of freshwater for public and domestic supply, as well as for industrial and agricultural uses throughout the...
Bioactive contaminants of emerging concern in National Park waters of the northern Colorado Plateau, USA
Rebecca H Weissinger, Brett R. Blackwell, Kristen Keteles, William A. Battaglin, Paul M. Bradley
2018, Science of the Total Environment (636) 910-918
Pharmaceuticals and personal care products (PPCPs), wastewater indicators (WWIs), and pesticides (herein, Contaminants of Emerging Concern [CECs]) have been documented in surface waters throughout the world and have associated risks to aquatic life. While much research has focused on temperate and urbanized watersheds, less is known about CEC presence in...
Groundwater-level data from an earthen dam site in southern Westchester County, New York
Michael L. Noll, Anthony Chu
2018, Data Series 1075
In 2005, the U.S. Geological Survey began a cooperative study with New York City Department of Environmental Protection to characterize the local groundwater-flow system and identify potential sources of seeps on the southern embankment of the Hillview Reservoir in Westchester County, New York. Groundwater levels were collected at 49 wells...
Discharge, sediment, and water chemistry in Clear Creek, western Nevada, water years 2013–16
Jena M. Huntington, Daniel J. Riddle, Angela P. Paul
2018, Scientific Investigations Report 2018-5050
Clear Creek is a small stream that drains the eastern Carson Range near Lake Tahoe, flows roughly parallel to the Highway 50 corridor, and discharges to the Carson River near Carson City, Nevada. Historical and ongoing development in the drainage basin is thought to be affecting Clear Creek and...
Estimation of unregulated monthly, annual, and peak streamflows in Forest City Stream and lake levels in East Grand Lake, United States-Canada border between Maine and New Brunswick
Pamela J. Lombard
2018, Scientific Investigations Report 2018-5044
The U.S. Geological Survey, in cooperation with the International Joint Commission, compiled historical data on regulated streamflows and lake levels and estimated unregulated streamflows and lake levels on Forest City Stream at Forest City, Maine, and East Grand Lake on the United States-Canada border between Maine and New Brunswick to...
Laboratory observations of artificial sand and oil agglomerates
Robert L. Jenkins III, P. Soupy Dalyander, Allison Penko, Joseph W. Long
2018, Open-File Report 2018-1010
Sand and oil agglomerates (SOAs) form when weathered oil reaches the surf zone and combines with suspended sediments. The presence of large SOAs in the form of thick mats (up to 10 centimeters [cm] in height and up to 10 square meters [m2] in area) and smaller SOAs, sometimes referred...
Measurements of erosion potential using Gust chamber in Yolo Bypass near Sacramento, California
Paul A. Work, David H. Schoellhamer
2018, Open-File Report 2018-1062
This report describes work performed to quantify the erodibility of surface soils in the Yolo Bypass (Bypass) near Sacramento, California, for use in the California Department of Water Resources (DWR) Yolo Bypass D-MCM mercury model. The Bypass, when not serving as a floodway, is heavily utilized for agriculture. During flood events, surface water flows over the...
California State Waters Map Series — Offshore of Point Conception, California
Samuel Y. Johnson, Peter Dartnell, Guy R. Cochrane, Stephen R. Hartwell, Nadine E. Golden, Rikk Kvitek, Clifton W. Davenport
Samuel Y. Johnson, Susan A. Cochran, editor(s)
2018, Open-File Report 2018-1024
IntroductionIn 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP), designed to create a comprehensive seafloor map of high-resolution bathymetry, marine benthic habitats, and geology within the 3-nautical-mile limit of California’s State Waters. The CSMP approach is to create highly detailed seafloor maps through collection, integration,...
California State Waters Map Series — Offshore of Gaviota, California
Samuel Y. Johnson, Peter Dartnell, Guy R. Cochrane, Stephen R. Hartwell, Nadine E. Golden, Rikk Kvitek, Clifton W. Davenport
Samuel Y. Johnson, Susan A. Cochran, editor(s)
2018, Open-File Report 2018-1023
IntroductionIn 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP), designed to create a comprehensive seafloor map of high-resolution bathymetry, marine benthic habitats, and geology within the 3-nautical-mile limit of California’s State Waters. The CSMP approach is to create highly detailed seafloor maps through collection, integration,...
Department of the Interior metadata implementation guide—Framework for developing the metadata component for data resource management
Raymond C. Obuch, Jennifer Carlino, Lin Zhang, Jonathan Blythe, Christopher Dietrich, Christine Hawkinson
2018, Techniques and Methods 16-A1
The Department of the Interior (DOI) is a Federal agency with over 90,000 employees across 10 bureaus and 8 agency offices. Its primary mission is to protect and manage the Nation’s natural resources and cultural heritage; provide scientific and other information about those resources; and honor its trust responsibilities or...
Effects of groundwater withdrawals from the Hurricane Fault zone on discharge of saline water from Pah Tempe Springs, Washington County, Utah
Philip M. Gardner
2018, Scientific Investigations Report 2018-5040
Pah Tempe Springs, located in Washington County, Utah, contribute about 95,000 tons of dissolved solids annually along a 1,500-foot gaining reach of the Virgin River. The river gains more than 10 cubic feet per second along the reach as thermal, saline springwater discharges from dozens of orifices located along the...
Hydrologic assessment and numerical simulation of groundwater flow, San Juan Mine, San Juan County, New Mexico, 2010–13
Anne M. Stewart
2018, Scientific Investigations Report 2017-5155
Coal combustion byproducts (CCBs), which are composed of fly ash, bottom ash, and flue gas desulfurization material, produced at the coal-fired San Juan Generating Station (SJGS), located in San Juan County, New Mexico, have been buried in former surface-mine pits at the San Juan Mine, also referred to as the...
New petrological, geochemical, and geochronological perspectives on andesite-dacite magma genesis at Ruapehu volcano, New Zealand
Chris E Conway, John A Gamble, Colin J.N. Wilson, Graham S. Leonard, Dougal B. Townsend, Andrew T. Calvert
2018, American Mineralogist (103) 565-581
Time–composition relationships in eruptive sequences at composite volcanoes can show how the ongoing intrusion of magmas progressively affects the lithosphere at continental convergent margins. Here, new whole-rock and microanalytical major and trace element data from andesite-dacite lava flows are integrated with previous...
The Ozark Plateaus Regional Aquifer Study—Documentation of a groundwater-flow model constructed to assess water availability in the Ozark Plateaus
Brian R. Clark, Joseph M. Richards, Katherine J. Knierim
2018, Scientific Investigations Report 2018-5035
Recent short-term drought conditions have emphasized the need to better understand the delicate balance between abundance, sustainability, and scarcity of groundwater in the Ozark Plateaus aquifer system. In 2014, the U.S. Geological Survey began construction of a groundwater-flow model as a tool for the assessment of groundwater availability in the...
Decadal changes in channel morphology of a freely meandering river—Powder River, Montana, 1975–2016
John A. Moody, Robert H. Meade
2018, Open-File Report 2018-1012
Few studies exist on the long-term geomorphic effects of floods. However, the U.S. Geological Survey (USGS) was able to begin such a study after a 50-year recurrence interval flood in 1978 because 20 channel cross sections along a 100-kilometer reach of river were established in 1975 and 1977 as part...
Flood-inundation and flood-mitigation modeling of the West Branch Wapsinonoc Creek Watershed in West Branch, Iowa
Charles V. Cigrand
2018, Scientific Investigations Report 2018-5002
The U.S. Geological Survey (USGS) in cooperation with the city of West Branch and the Herbert Hoover National Historic Site of the National Park Service assessed flood-mitigation scenarios within the West Branch Wapsinonoc Creek watershed. The scenarios are intended to demonstrate several means of decreasing peak streamflows and improving the...
Geologic map of the Nepenthes Planum Region, Mars
James A. Skinner, Kenneth L. Tanaka
2018, Scientific Investigations Map 3389
This map product contains a map sheet at 1:1,506,000 scale that shows the geology of the Nepenthes Planum region of Mars, which is located between the cratered highlands that dominate the southern hemisphere and the less-cratered sedimentary plains that dominate the northern hemisphere. The map region contains cone- and mound-shaped landforms...
Model methodology for estimating pesticide concentration extremes based on sparse monitoring data
Aldo V. Vecchia
2018, Scientific Investigations Report 2017-5159
This report describes a new methodology for using sparse (weekly or less frequent observations) and potentially highly censored pesticide monitoring data to simulate daily pesticide concentrations and associated quantities used for acute and chronic exposure assessments, such as the annual maximum daily concentration. The new methodology is based on a...
Natural and man-made hexavalent chromium, Cr(VI), in groundwater near a mapped plume, Hinkley, California—study progress as of May 2017, and a summative-scale approach to estimate background Cr(VI) concentrations
John A. Izbicki, Krishangi D. Groover
2018, Open-File Report 2018-1045
This report describes (1) work done between January 2015 and May 2017 as part of the U.S. Geological Survey (USGS) hexavalent chromium, Cr(VI), background study and (2) the summative-scale approach to be used to estimate the extent of anthropogenic (man-made) Cr(VI) and background Cr(VI) concentrations near the Pacific Gas and...
Delineation of the hydrogeologic framework of the Big Sioux aquifer near Sioux Falls, South Dakota, using airborne electromagnetic data
Kristen J. Valseth, Gregory C. Delzer, Curtis V. Price
2018, Scientific Investigations Map 3393
The U.S. Geological Survey, in cooperation with the City of Sioux Falls, South Dakota, began developing a groundwater-flow model of the Big Sioux aquifer in 2014 that will enable the City to make more informed water management decisions, such as delineation of areas of the greatest specific yield, which is...
Nitrogen concentrations and loads for the Connecticut River at Middle Haddam, Connecticut, computed with the use of autosampling and continuous measurements of water quality for water years 2009 to 2014
John R. Mullaney, Joseph W. Martin, Jonathan Morrison
2018, Scientific Investigations Report 2018-5006
The daily and annual loads of nitrate plus nitrite and total nitrogen for the Connecticut River at Middle Haddam, Connecticut, were determined for water years 2009 to 2014. The analysis was done with a combination of methods, which included a predefined rating curve method for nitrate plus nitrite and total...
Hydrologic assessment of the Edwin B. Forsythe National Wildlife Refuge
Christine M. Wieben, Mary M. Chepiga
2018, Scientific Investigations Report 2017-5088
The Edwin B. Forsythe National Wildlife Refuge (hereafter Forsythe refuge or the refuge) is situated along the central New Jersey coast and provides a mixture of freshwater and saltwater habitats for numerous bird, wildlife, and plant species. Little data and information were previously available regarding the freshwater dynamics that support...
SWToolbox: A surface-water tool-box for statistical analysis of streamflow time series
Julie E. Kiang, Kate Flynn, Tong Zhai, Paul Hummel, Gregory E. Granato
2018, Techniques and Methods 4-A11
This report is a user guide for the low-flow analysis methods provided with version 1.0 of the Surface Water Toolbox (SWToolbox) computer program. The software combines functionality from two software programs—U.S. Geological Survey (USGS) SWSTAT and U.S. Environmental Protection Agency (EPA) DFLOW. Both of these programs have been used primarily...
