Reports
Reports from various agencies and groups concerning the Helena area.
2020 Tenmile Flood Monitoring Plan
2020 WQPD Well Monitoring Plan
Channel Migration Zone Mapping PPC/TMC - Final Report 2011
Emerald Ridge Area Ground Water Resource Assessment - March 2014
Emerald Ridge Poster - 2014
Helena Valley Non-point Source Assessment- August, 2015
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. An interactive statewide map shows where CMZ studies have been completed.
Prickly Pear Creek 2019 Re-watering Project - Final Report
Raven Road Report- March 2016