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.

This accordion will not appear on the screen

Report Report Name Date
Ground Water Contamination and Monitoring Activities on the Rathdrum Prairie Aquifer, Kootenai County -1991
Ground Water Vulnerability Assessment, Snake River Plain, Southern Idaho  April 1991
Idaho Snake-Payette Rivers Hydrologic Unit Ground Water Quality Assessment  July 1993
Black Cliffs Ground Water Quality Study: Nitrate Impact  October 1994
Ground Water and Soils Reconnaissance of the Lower Payette Area, Payette County, Idaho  December 1994
An Evaluation of Arsenic in Ground Water in a Portion of Washington County, Idaho  (September 1995)
Moscow Basin Ground Water Quality Study  October 1995
An Evaluation of Bacteria in Ground Water Near Mountain Home, Elmore County,Idaho  March 1996
An Evaluation of Bacteria in Ground Water in Prairie, Elmore County, Idaho  August 1997
Russell Sole Source Aquifer Ground Water Monitoring  March 1997
Ground Water Investigation of Nitrate and Pesticides in Northwest Ada County, Idaho  July 1997
Assessment of Sources of Elevated Nitrate in Ground Water in Northwest Ada County County, Idaho, Using Environmental Isotopes  November 1999
A Reconnaissance of Nitrite/Nitrate in Camas Prairie Groundwater, Vol. 1, Lewis and Idaho County, Idaho  September 1998
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  July 2000
Ground Water Quality Investigation and Wellhead Protection Study, Ferdinand, Idaho  July 2000
Groundwater Quality Investigation and Wellhead Protection Study, City of Ashton, Idaho  August 2001
Ground Water Quality Investigation and Wellhead Protection Study, Grand View, Idaho  October 2000
Groundwater Quality Investigation and Wellhead Protection Study, City of Fruitland, Idaho  August 2000
A Reconnaissance of Ground Water Nitrite/Nitrate in the Cow Creek Watershed, Volume I of II  August 2001
Environmental Isotope Studies of Wastewater and Ground Water at Wastewater Land Treatment Sites in Idaho  June 2004
Clearwater Plateau Nitrate Groundwater Data Analysis  2003
Evaluation of Water Quality Impacts Associated with FMC and Simplot Phosphate Ore Processing Facilities, Pocatello, Idaho  January 2004
A Reconnaissance of Subsurface Tile Drain Ground Water in the Cow Creek Watershed, Latah and Nez Perce County, Idaho  April 2003
Preliminary Evaluations of Arsenic Detections in Ground Water: A County-Level Arsenic Review  November 2004
Isotopic Age Dating of Municipal Water Wells in the Lewiston Basin, Idaho  August 2005
The Ramsey Channel of the Spokane Valley-Rathdrum Prairie Aquifer  June 2005
Arena Valley Ground Water Quality, Wilder Area, Idaho  May 2006
2005 Update, Thousand Springs Area of the Eastern Snake River Plain, Idaho  December 2006
Treasure Valley Nutrient-Pathogen Validation Study  October 2006
Camas Prairie Nitrate Priority Area: Groundwater Monitoring Results  January 2008
Well CM-1 Evaluation, Craigmont, Idaho  December 2007
Sagle, Idaho Area Ground Water Quality Study  February 2008
Ground Water Report, Silverwood Area of the Rathdrum Prairie Sensitive Resource Aquifer  November 2008
Ground Water Report, Oregon Trail Subdivision, Twin Falls, Idaho  September 2008
Arsenic Occurrence in Ground Water in the Market Lake Area, Idaho  November 2008
Sunnyside Ground Water Monitoring Project Report: Former Sunnyside Feedlot and Vicinity, Weiser, Idaho  January 2009
Mountain Home South Ground Water Nitrate Study  May 2009
Ground Water Quality Monitoring Results for the Purple Sage Study Area, Canyon County, Idaho  June 2009
Possible Sources of Nitrate to the Springs of Southern Gooding County, Eastern Snake River Plain, Idaho  December 2009
Nitrate and Emerging Contaminants Evaluation of Springdale, Idaho: Cassia CountyNitrate Priority Area  December 2009
2007 and 2008 Ground Water Quality Monitoring Projects Summary Report  April 2010
Chilco Area of the Spokane Valley-Rathdrum Prairie Aquifer  November 2010
2009 Ground Water Quality Monitoring Projects Summary Report  March 2011
Follow-up Sampling for Bacteria, Nitrates, Major Ions, Stable Isotopes, and Tritium 2009-1010: Ashton-Drummond Nitrate Priority Area  December 2011
2010 Ground Water Quality Monitoring Projects Summary Report  November 2013
2011 Ground Water Quality Monitoring Projects Summary Report  November 2013
2012 Ground Water Quality Monitoring Projects Summary Report  July 2014
2013 Ground Water Quality Monitoring Projects Summary Report  February 2015
2014 Ground Water Quality Monitoring Projects Summary Report  March 2016
2015 Ground Water Quality Monitoring Projects Summary Report  January 2017
2016 Ground Water Quality Monitoring Projects Summary Report  April 2018
2017 Ground Water Quality Monitoring Projects Summary Report  June 2019
2018Ground Water Quality Monitoring Projects Summary Report  March 2021
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
ver: 3.4.0 | last updated:
Jump back to top of page button