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Federal
NPL Superfund Site Boundaries (EPA)
U.S. Environmental Protection Agency —
This GIS dataset contains polygons depicting U.S. EPA Superfund Site boundaries. Site boundaries are polygons representing the footprint of a whole site, defined for... -
Federal
Abandoned Uranium Mine (AUM) Claim Points, Navajo Nation, 2021, U.S. EPA Region 9
U.S. Environmental Protection Agency —
This GIS dataset contains point features representing priority abandoned uranium mines in Navajo Nation, as determined by the USEPA and the Navajo Nation. USEPA and... -
Federal
Abandoned Uranium Mines Map Service, Navajo Nation, 2021, U.S. EPA Region 9
U.S. Environmental Protection Agency —
This U.S. EPA Region 9 web service contains the following map layers: Abandoned Uranium Mines, Priority Mines, Tronox Mines, Trust Mines, Mines with Enforcement... -
Federal
Onda Verde Soil Sample Points, CRMS, 2020, NDEP
U.S. Environmental Protection Agency —
URS Corporation (URS) developed a Sampling and Analysis Plan in September 2011 that was consistent with the CRMS draft Long Term Sampling and Response Plan. URS... -
Federal
Soil and Sediment Mercury Samples, Lahontan, 1993, USBR
U.S. Environmental Protection Agency —
This is a summary of mercury (Hg) data from the Lahontan Reservoir area of the Carson River Basin. USBR provided an information overview and reference source on... -
Federal
Crayfish Samples for Mercury, CRMS, 1994, EPA and E and E
U.S. Environmental Protection Agency —
For the Ecological Risk Assessment Report, EPA collected these samples, consisting of benthic invertebrates (crayfish), from three contaminated locations in the... -
Federal
Operable Unit 1 Boundary, CRMS, 2020, NDEP
U.S. Environmental Protection Agency —
This feature class depicts the boundaries of Operable Unit 1 (OU1) within the Carson River Mercury Site (CRMS), including the four Area of Investigation boundaries.... -
Federal
Riverpark Parcels, CRMS, 2020, NDEP
U.S. Environmental Protection Agency —
This feature class contains parcel boundaries and their environmental covenant status within the Riverpark Subdivision in Lyon County, Nevada. An environmental... -
Federal
Sites Pre-Screened for Biomass and Biofuel Potential
U.S. Environmental Protection Agency —
The RE-Powering Screening Dataset spreadsheet contains detailed information on over 130,000 contaminated lands, landfills, and mine sites with screening results for... -
Federal
Santa Maria Ranch Phase II Soil Samples, CRMS, 2020, NDEP
U.S. Environmental Protection Agency —
This feature class depicts the locations and analytical data for the soil samples taken by Converse Consultants in 2009. These samples represent a preliminary site... -
Federal
Operable Unit 2 Boundary, CRMS, 2017, EPA
U.S. Environmental Protection Agency —
EPA has compiled a significant volume of soil, sediment, surface water and biota geodata, collected either directly, by our contractors and in many cases by our... -
Federal
Vegetable/Fruit/Soil Total Mercury Samples, Dayton, 1993, EPA and E&E
U.S. Environmental Protection Agency —
EPA evaluated the total mercury representative of vegetables and/or fruit and colocated soil from several gardens located in Dayton and Silver City (OU1) for the... -
Federal
Fish Locations for Mercury Contamination Concentrations, Lahontan, 2013, NDOW and EPA
U.S. Environmental Protection Agency —
This is a summary of mercury (Hg) data from fish collected in the Lahontan Reservoir area of the Carson River Basin. NDOW collected the fish and the EPA Region 9... -
Federal
Abandoned Uranium Mine (AUM) Regions, Navajo Nation, 2016, U.S. EPA Region 9
U.S. Environmental Protection Agency —
This GIS dataset contains polygon features representing the boundaries of the six Abandoned Uranium Mines (AUM) Regions, including: Central, Eastern, Northern, North... -
Federal
Riverpark Soil Sample Points, CRMS, 2020, NDEP
U.S. Environmental Protection Agency —
Soil investigation in the Riverpark subdivision took place over several phases. This feature class contains final grade samples taken in Phases III and IV. Resource... -
Federal
Surface Soil Mercury Speciation Samples, CRMS, 1993, EPA and EMSL
U.S. Environmental Protection Agency —
EPA evaluated the mercury fractions (species) representative of several locations in OU1 for the purpose of the Human Health Risk Assessment investigation. In... -
Federal
Surface Water Samples, Carson River Area, 2016, USGS and NWIS
U.S. Environmental Protection Agency —
The USGS collects data for this national program to inform public, State and local governments, public and private utilities and other Federal agencies involved with... -
Federal
Surface Water Hg and MeHg Samples, Below Lahontan, 1997-2013, USGS
U.S. Environmental Protection Agency —
The Carson River is a vital water resource for local municipalities and migratory birds travelling the Pacific Flyway. Historic mining practices that used mercury... -
Federal
Lizard Samples for Mercury, CRMS, 1994, EPA and E and E
U.S. Environmental Protection Agency —
As a component of the ecological assessment for the Carson River Mercury Site, EPA conducted a survey of lizard samples collected from historic mill sites in the... -
Federal
Mill Site Locations, CRMS, 2020, NDEP and Broadbent Associates, Inc.
U.S. Environmental Protection Agency —
This feature class depicts Comstock-era mill locations within the Carson River Mercury Site (CRMS). These locations were obtained in order to define the investigation...