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Land subject to flooding

Why do the FEMA flood maps for the Cities of Peabody and Lynn, indicate flood hazard zones just over the boundary lines from Salem... but over the line in Salem, there is no adjacent land subject to flooding declared?   Highland Ave does flood, from the streams up hill...  (see photos).   What are the limitations if the land is subject to flooding?  Like the setbacks and protection of (potential/) vernal pools, etc?


I've raise this question before to the Salem Planning Board, about the designation of flood hazard areas, but never received an answer.  Hopefully someone out there has one.
Map from OLIVER, the Mass GIS online data viewer.

4 comments:

  1. Can you re-direct your question to another authority who might have an answer?

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  2. Excessive storm runnoff results in flooding. Part of Spring Pond is cut off on this map, showing no flooding in Salem. Spring Pond 'floods', meaning the water level rises in the Spring. The flooding comes from excessive storm runnoff from the surrounding hills. Gee- Lowe's is on a hill?

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  3. Many of the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps (FIRMs) are out of date. They have been working on updating them since 2003.

    According to FEMA's Community Status Book, http://www.fema.gov/fema/csb.shtm, the initial FIRM for Salem was identified in 1977 and has an effective date of 1985. City of Lynn effective date is also 1985, and Peabody is 1980.

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  4. Thank you Mary for sharing this info.

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