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DNRC Headquarters
1539 Eleventh Ave. Helena, MT 59601
Phone: (406) 444-2074 | Fax: (406) 444-2684
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Major Pipeline Crossings of Navigable Streams


To meet the requirements of SB 368 as passed by the 2015 Legislature, Montana Dept. of Environmental Quality (DEQ) staff compiled this table listing crossings of navigable streams by major gas and hazardous liquid transmission pipelines throughout Montana. Compiled in December 2015, this data was provided in cooperation with the Department of Natural Resources and Conservation, the Montana Petroleum Association, and the companies that own and/or operate the pipelines. To see the table, visit the DEQ website.