How are floodplains regulated in Butte-Silver Bow?
Floodplains in Butte-Silver Bow (B-SB) are regulated by Title 18, Floodplain Ordinance, of the B-SB Municipal Code. Title 18 was updated in January of 2012 when new and/or updated floodplain maps were adopted by the Butte-Silver Bow Council of Commissioners. (link to Title 18 of the Municipal Code.) Official floodplain maps for B-SB are issued by the Federal Emergency Management Agency (FEMA).

The most recent FIRMs for Butte-Silver Bow were adopted in January of 2012 and replace the FIRMs issued in the 1980s.

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1. What is a floodplain?
2. What are official floodplain maps called?
3. What is the purpose of floodplain mapping?
4. How are floodplains mapped?
5. How are floodplains (SFHA) illustrated on FIRMS?
6. How much of Butte-Silver Bow is regulated by FIRMS?
7. Did the recently adopted FIRMs change the SHFA boundaries if the 1980s FIRMs?
8. Where can I review a paper copy of a FIRM?
9. How are floodplains regulated in Butte-Silver Bow?
10. What kind of development is permitted in with the SHFA?
11. How do I apply for a floodplain development permit?