The Subcommittee on Hydrology of the Advisory Committee on Water Information has developed new Guidelines For Determining Flood Flow Frequency Bulletin 17C, an update to the previous Bulletin 17B that was published in March 1982. The new guidelines are available as a U.S. Geological Survey report.
This website provides access to the new document and supplementary materials that will be useful to analysts as they apply the new methods.
What is Bulletin 17C?
Flood Frequency Resources
Frequently Asked Questions (FAQs)
Archive of Public Review Materials
If you have any questions regarding the Bulletin 17C public comment period please email: firstname.lastname@example.org.
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