Reports
Water Quality Protection District Reports and Projects
2020 Tenmile Flood Monitoring Plan
2020 WQPD Well Monitoring Plan
Helena Valley Non-Point Source Assessment - August 2015
Final Rewatering Project - 2019
Tenmile Creek Groundwater Monitoring Report - 2019
Helena Area Ground Water Conditions - 2020
Additional agency reports
Channel Migration Zone Mapping PPC/TMC - Final Report 2011
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
Lake Helena TMDL - Upper Missouri
Lewis & Clark County Helena Valley Ground Water Vulnerability Project -Trihydro 2008
Montana Channel Migration Zone (CMZ)Mapping resources are now available on line.
This interactive statewide map shows where CMZ studies have been completed.