Preliminary Maps & Technical Reports Below is the most current technical information available for the Clark Fork River, St. Regis River, and tributaries mapping re-studies. Preliminary Maps INDEX 1A INDEX 2A 30061C0045D 30061C0280D 30061C0459D 30061C0635D 30061C0050D 30061C0290D 30061C0467D 30061C0640D 30061C0065D 30061C0295D 30061C0470D 30061C0645D 30061C0070D 30061C0305D 30061C0478D 30061C0665D 30061C0075D 30061C0310D 30061C0486D 30061C0670D 30061C0090D 30061C0315D 30061C0490D 30061C0690D 30061C0095D 30061C0320D 30061C0495D 30061C0780D 30061C0125D 30061C0330D 30061C0585D 30061C0785D 30061C0250D 30061C0435D 30061C0605D 30061C0805D 30061C0255D 30061C0455D 30061C0610D 30061C0830D 30061C0260D 30061C0458D 30061C0620D Reports Preliminary Flood Insurance Study 30061CV001A 30061CV002A 30061CV003A 30061CV004A 30061CV005A 30061CV006A 30061CV007A Hydrologic ReportsHydrologic Analysis: Clark Fork River Prepared by Pioneer Technical Services (July 2017)Hydrologic Analysis: Clark Fork River Tributaries Prepared by Pioneer Technical Services (March 2018)Hydrologic Analysis: St. Regis River Prepared by Pioneer Technical Services (January 2019)Hydrologic Analysis: St. Regis River Tributaries Prepared by Pioneer Technical Services (March 2018) Hydraulic Reports Hydraulic Analysis Report: Clark Fork River (appendices available upon request) Prepared by Morrison Maierle (August 2018)Hydraulic Analysis Report: Clark Fork River Tributaries Prepared by Morrison Maierle (September 2019)Hydraulic Analysis Report: St. Regis River (appendices available upon request) Prepared by DOWL (October 2018)Hydraulic Analysis Report: St. Regis River Tributaries (appendices available upon request) Prepared by DOWL (September 2019) More Info Maps & Technical Reports Floodplain FAQs Contact the County/Town of Superior Andy Short(406) 822-3525email Contact DNRC Tiffany Lyden(406)444-0599email Nadene Wadsworth(406) 444-6732email