Official Government Website

Ground Water Reports and Data

DEQ staff conduct ground water monitoring projects at various locations around the state. This work is summarized into annual reports and, at times, technical reports on specific ground water contaminants or special projects. These reports and other site-specific ground water documents may be accessed here.

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Report Report NameDate
Ground Water Contamination and Monitoring Activities on the Rathdrum Prairie Aquifer, Kootenai County-1991
Ground Water Vulnerability Assessment, Snake River Plain, Southern Idaho 1991 (April)
Idaho Snake-Payette Rivers Hydrologic Unit Ground Water Quality Assessment 1993 (July)
Black Cliffs Ground Water Quality Study: Nitrate Impact 1994 (October)
Ground Water and Soils Reconnaissance of the Lower Payette Area, Payette County, Idaho 1994 (December)
An Evaluation of Arsenic in Ground Water in a Portion of Washington County, Idaho 1995 (September)
Moscow Basin Ground Water Quality Study 1995 (October)
An Evaluation of Bacteria in Ground Water Near Mountain Home, Elmore County,Idaho 1996 (March)
An Evaluation of Bacteria in Ground Water in Prairie, Elmore County, Idaho 1997 (August)
Russell Sole Source Aquifer Ground Water Monitoring 1997 (March)
Ground Water Investigation of Nitrate and Pesticides in Northwest Ada County, Idaho 1997 (July)
Assessment of Sources of Elevated Nitrate in Ground Water in Northwest Ada County County, Idaho, Using Environmental Isotopes 1999 (November)
A Reconnaissance of Nitrite/Nitrate in Camas Prairie Groundwater, Vol. 1, Lewis and Idaho County, Idaho 1998 (September)
An Evaluation of Methyl Tert-Butyl Ether (MTBE) in Groundwater at Leaking UST Sites in Idaho
Cumulative Impacts Assessment, Thousand Springs Area of the Eastern Snake River Plain, Idaho 2000 (July)
Ground Water Quality Investigation and Wellhead Protection Study, Ferdinand, Idaho 2000 (July)
Groundwater Quality Investigation and Wellhead Protection Study, City of Ashton, Idaho 2001 (August)
Ground Water Quality Investigation and Wellhead Protection Study, Grand View, Idaho 2000 (October)
Groundwater Quality Investigation and Wellhead Protection Study, City of Fruitland, Idaho 2000 (August)
A Reconnaissance of Ground Water Nitrite/Nitrate in the Cow Creek Watershed, Volume I of II 2001 (August)
Environmental Isotope Studies of Wastewater and Ground Water at Wastewater Land Treatment Sites in Idaho 2004 (June)
Clearwater Plateau Nitrate Groundwater Data Analysis 2003
Evaluation of Water Quality Impacts Associated with FMC and Simplot Phosphate Ore Processing Facilities, Pocatello, Idaho 2004 (January)
A Reconnaissance of Subsurface Tile Drain Ground Water in the Cow Creek Watershed, Latah and Nez Perce County, Idaho 2003 (April)
Preliminary Evaluations of Arsenic Detections in Ground Water: A County-Level Arsenic Review 2004 (November)
Isotopic Age Dating of Municipal Water Wells in the Lewiston Basin, Idaho 2005 (August)
The Ramsey Channel of the Spokane Valley-Rathdrum Prairie Aquifer 2005 (June)
Arena Valley Ground Water Quality, Wilder Area, Idaho 2006 (May)
2005 Update, Thousand Springs Area of the Eastern Snake River Plain, Idaho 2006 (December)
Treasure Valley Nutrient-Pathogen Validation Study 2006 (October)
Camas Prairie Nitrate Priority Area: Groundwater Monitoring Results 2008 (January)
Well CM-1 Evaluation, Craigmont, Idaho 2007 (December)
Sagle, Idaho Area Ground Water Quality Study 2008 (February)
Ground Water Report, Silverwood Area of the Rathdrum Prairie Sensitive Resource Aquifer 2008 (November)
Ground Water Report, Oregon Trail Subdivision, Twin Falls, Idaho 2008 (September)
Arsenic Occurrence in Ground Water in the Market Lake Area, Idaho 2008 (November)
Sunnyside Ground Water Monitoring Project Report: Former Sunnyside Feedlot and Vicinity, Weiser, Idaho 2009 (January)
Mountain Home South Ground Water Nitrate Study 2009 (May)
Ground Water Quality Monitoring Results for the Purple Sage Study Area, Canyon County, Idaho 2009 (June)
Possible Sources of Nitrate to the Springs of Southern Gooding County, Eastern Snake River Plain, Idaho 2009 (December)
Nitrate and Emerging Contaminants Evaluation of Springdale, Idaho: Cassia CountyNitrate Priority Area 2009 (December)
2007 and 2008 Ground Water Quality Monitoring Projects Summary Report 2010 (April)
Chilco Area of the Spokane Valley-Rathdrum Prairie Aquifer 2010 (November)
2009 Ground Water Quality Monitoring Projects Summary Report 2011 (March)
Follow-up Sampling for Bacteria, Nitrates, Major Ions, Stable Isotopes, and Tritium 2009-1010: Ashton-Drummond Nitrate Priority Area 2011 (December)
2010 Ground Water Quality Monitoring Projects Summary Report 2013 (November)
2011 Ground Water Quality Monitoring Projects Summary Report 2013 (November)
2012 Ground Water Quality Monitoring Projects Summary Report 2014 (July)
2013 Ground Water Quality Monitoring Projects Summary Report 2015 (February)
2014 Ground Water Quality Monitoring Projects Summary Report 2016 (March)
2015 Ground Water Quality Monitoring Projects Summary Report 2017 (January)
2016 Ground Water Quality Monitoring Projects Summary Report 2018 (April)
2017 Ground Water Quality Monitoring Projects Summary Report 2019 (June)
2018Ground Water Quality Monitoring Projects Summary Report 2021 (March)
Country Document Date
Ada County Ground Water Quality Improvement and Drinking Water Source Protection Plan 2018
Adams County Ground Water Quality Improvement and Drinking Water Source Improvement Plan 2014
Bannock County An Objective GIS Screening Tool for Rating the Suitability of Land for Septic-based Development August 2012
Lower Boise/Canyon County Nitrate Degraded Ground Water Quality Summary Report December 2001
Ada and Canyon Counties Ground Water Study of the Lower Boise River Valley May 1996
Camas Prairie Nitrate Priority Area: Ground Water Quality Management Plan May 28, 2008
Canyon County Preliminary Assessment of Hydrogeology and Water Quality in Ground Water February 2007
Canyon County Ground Water Quality Improvement and Drinking Water Source Protection Plan 2016
Canyon County Ground Water Study along the Boise River Corridor December 2000
Valley County Preliminary Hydrogeology of the Cascade Area February 2005
Lewis County Ground Water Quality Evaluation, Craigmont, Idaho February 2001
Elmore County Ground Water Quality Improvement and Drinking Water Source Protection Plan February 2014
Gem County Ground Water Quality Improvement and Drinking Water Source Protection Plan 2014
Western Country Estates, Nampa, Ground Water Report February 2003
Owyhee County 2001 Annual Ground Water Quality Monitoring Summary Results for Northwest Owyhee County, Idaho December 2002
Owyhee County Ground Water Quality Improvement and Drinking Water Source Protection Plan 2018
Owyhee County Ground Water Quality Improvement and Drinking Water Source Protection Plan March 2010
Payette County Ground Water Quality Improvement and Drinking Water Source Protection Plan 2018
Payette County Ground Water Quality Improvement and Drinking Water Source Protection Plan May 2012
Power County Sources of Nitrate Contamination in Ground Water of Pleasant Valley May 2008
Bannock County The Business Community Perspective on Enhanced Protection for the Lower Portneuf Valley Aquifer February 2002
Bannock County Economic Impacts of Enhanced Aquifer Protection for the Lower Portneuf River Valley Aquifer: Final Report September 2001
Spokane County The Rathdrum Prairie Aquifer Technical Report August 1988
Spokane County The Spokane Valley-Rathdrum Prairie Aquifer Atlas: 2015 Update 2015
Washington County Scott Creek/Mann Creek Nitrate Degraded Ground Water Quality Summary Report March 2002
Bonneville County Snake Plain Aquifer Technical Report September 1985
Teton County Preliminary Assessment of Hydrogeology and Water Quality in Ground Water in Teton County, Idaho March 2007
Canyon County Isotopic and Gelchemical Investigation in the Source of Elevated Uranium Concentrations in the Treasure Valley Aquifer, Idaho April 2011
Washington County Ground Water Quality Improvement and Drinking Water Source Protection Plan 2014
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