DRAFT -- VALLEY FLOOD MITIGATION MASTER PLAN

Flood Information web page

2017 H&H Study web page

DRAFT TOPICAL REPORT RSI-2949 VALLEY FLOOD MITIGATION MASTER PLAN – HYDROLOGIC AND HYDRAULIC ANALYSIS

The Helena Valley, located in Lewis and Clark County just north of Helena, Montana, has historically suffered repeated widespread flood events, causing millions of dollars in damages and displacement costs.