Water Quality Protection District Reports and Projects - If you are interested in the data from the WQPD studies, please call 457-8927 for your request.
Additional agency reports
Appraisal of the quality of ground water in the Helena Valley, Montana. USGS - Wilke & Coffin, 1973.
Channel Migration Zone Mapping PPC/TMC - Final Report 2011
Evaluation of shallow aquifers in the Helena Valley, Lewis and Clark County, MT. USGS - Moreland & Leonard, 1980
Geology and Ground-Water Resources of the Helena Valley, Mt - Lorenz & Swenson, 1951
Ground water nitrate-nitrogen trends in relation to urban development, Helena, MT - Drake, Bauder, 2005
Helena Valley Groundwater Monitoring for Pesticides & Nitrates. Department of Agriculture, 2006
Helena Valley Pharmaceutical Study - DEQ, 2005
Hydrogeology of the Helena Valley- Fill Aquifer System - Briar, Madison USGS 1992
Hydrologic data from selected wells in the helena Valley, Lewis and Clark County, MT. USGS. Moreland et al. 1979.
Lake Helena TMDL - Upper Missouri