20140905 Ver 4_More Information Received Email_20190306

Dow, Jeremiah J
From:
Johnson, Ron <[e-mail]>
Sent:
Wednesday, March 6, 2019 8:43 AM
To:
Dow, Jeremiah J
Cc:
[e-mail]
Subject:
(External] RE: Crabtree Creek Stream Restoration 401 application
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Jeramiah,
I wanted to follow up on our phone conversation this morning just to document my response. See below with my
responses inserted at your questions.
Ron Johnson
Senior Biologist, Transportation, Southeast
D [phone]
M [phone]
ran tohnson(@aecom.com
AECOM
701 Corporate Center Drive
Suite 475
Raleigh, North Carolina 27607, IDSA
T [phone]
aecam.com
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From: Dow, Jeremiah J [mailto:[e-mail]]
Sent: Tuesday, March 05, 2019 10:01 AM
To: Johnson, icon
Cc: [e-mail]
Subject: Crabtree Creek Stream Restoration 401 application
Mr. Johnson,
I have been reviewing the above referenced application and have a few questions. On the stream impact table in the
PCN there are a total of 958 feet of stream impacts divided into 4 different impact types and I want verify that I correctly
understand what the impacts are:
245' of permanent impact is filling in a portion of the existing stream channel Correct
112' of temporary impact is restoration activity in existing channel (prior to start of new, constructed stream
channel) Correct
576' feet of permanent "indirect" impact is the one I am not completely sure about. Is this the existing channel
from the end of the 245' feet listed above to the new confluence with the restored stream? I assume the

indirect impact is the rerouting of flow away from the channel? Yes. The indirect impacts are that it will no
longer have perennial flow. We are anticipating that it will be an ephemeral feature as it will still receive flow
from the tributary noted below. There is a possibility that the flow will be intermittent.
• 25' for greenway culvert Correct
• There is a tributary shown on the east side of the property with a confluence with the existing channel being
restored/move. Is this a subject stream, and if so, are the check dams shown on the plan drawings accounted
for in the total impacts? This is not a subject stream. It is shown on the soil survey so it is a buffered stream but
it is ephemeral.
Thank you,
Jeremiah Dow
environmental Specialist
Raleigh Regional Office
Division of Nater Resources
{919} 791-4248 office
(919) 3174430 mobile
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