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As part of the Navajo-Gallup Water Supply Project, the Bureau of Reclamation was tasked with design and construction of infrastructure to treat and deliver potable water to the communities of Navajo Nation, parts of the Jicarilla Apache Nation, and City of Gallup. The Bureau of Reclamation has been evaluating the Public Service Company of New Mexico's (PNM) San Juan Generating Station (SJGS) reservoir as a possible water storage and sediment settling basin for the Navajo-Gallup Water Supply Project. The U.S. Geological Survey (USGS), in cooperation with the Bureau of Reclamation, was tasked with collecting reservoir sediment cores and pore water from SJGS reservoir. This data release contains reservoir sediment...
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Coal combustion by-products (CCBs, in the form of ash) produced at the coal-fired San Juan Generating Station in San Juan County, New Mexico, have been buried in former surface-mine pits at the San Juan Coal Mine since power-generation operations began in the early 1970s. A groundwater flow model was developed by the USGS to estimate the timing of groundwater recovery after the cessation of mining and to identify potential pathways and advective travel times for groundwater transport of metals that may be leached from stored CCBs to arrive at hydrologic receptors after mining operations cease. The USGS numerical modeling package MODFLOW-NWT with MODPATH particle-tracking software was used. This USGS data release...
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Four sediment cores were collected from the San Juan Generation Station reservoir. The sediments from each of these cores were described for physical properties and analyzed for inorganic elements. These data provide the initial field observations of reservoir sediments including grain size, color, and reaction with hydrogen peroxide and hydrochloric acid. Sediment chemistry data are also provided.
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Pore waters from the top six inches of sediment core collected from the San Juan Generating Station reservoir were collected and analyzed for inorganic elements.
    map background search result map search result map Sediment descriptions, sediment core and pore water chemistry from the San Juan Generating Station reservoir, Waterflow, NM Pore water chemistry data associated with the coring of the San Juan Generating Station reservoir near Waterflow, NM Sediment inorganic chemistry data and sediment descriptions associated with the coring of the San Juan Generating Station reservoir near Waterflow, NM MODFLOW-NWT and MODPATH5 models used to identify potential flow paths from San Juan Mine to hydrologic receptors, San Juan County, New Mexico Pore water chemistry data associated with the coring of the San Juan Generating Station reservoir near Waterflow, NM Sediment inorganic chemistry data and sediment descriptions associated with the coring of the San Juan Generating Station reservoir near Waterflow, NM Sediment descriptions, sediment core and pore water chemistry from the San Juan Generating Station reservoir, Waterflow, NM MODFLOW-NWT and MODPATH5 models used to identify potential flow paths from San Juan Mine to hydrologic receptors, San Juan County, New Mexico