[External] RE Maggie Valley WWTP Levee Repair (SAW-2013-00210)

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Winston, Joey
From:Trone, Rick <[e-mail]>
Sent:Monday, July 31, 2023 2:25 PM
To:Anderson, Mitchell L CIV USARMY CESAW (USA)
Cc:Winston, Joey
Subject:[External] RE: Maggie Valley WWTP Levee Repair (SAW-2013-00210)
Attachments:Maggie Valley Impact Maps.pdf; Maggie Valley WWTP Levee Repair Revised Impact
Table.pdf
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Mitchell,

Please see aƩached revised impact maps and stream impact table. We separated out the various temporary impacts.

Coffer dam design is to consist of tarp/riprap downstream and an “Aqua dam” on the upstream side.

Northern Coffer Dam:
Length - 32.15’
Width - 12.13’

Southern Coffer Dam:
Length: 31.08’
Width: 8.79’

If either of you also need this informaƟon submiƩed through the online Laserfiche supplemental form, please let me
know.

Thanks,

Rick Trone
ENVIRONMENTAL SCIENTIST III

t: 919.469.3340 d: 919.538.8184 Cary, NC WITHERSRAVENEL.COM

From: Anderson, Mitchell L CIV USARMY CESAW (USA) <[e-mail]>
Sent: Thursday, July 27, 2023 5:35 PM
To: Trone, Rick <[e-mail]>
Cc: Winston, Joey <[e-mail]>
Subject: [EXTERNAL] RE: Maggie Valley WWTP Levee Repair (SAW-2013-00210)

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Hello Rick,

Thank you for emailing with your request. USACE staff has reviewed your PCN submi Ʃed on July 21, 2023 and need
clarificaƟon on impacts.

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Your applicaƟon proposes 191 LF x 20 LF as temporary impact for dewatering but does not specify temporary fill that
will be placed and removed.
What is the length and width of proposed temporary fill that will be placed and removed associated with coffer dams
and access ramps (if any).

Once this informaƟon is received, staff will conƟnue review of your PCN.
Please note, the USACE cannot issue a 404 Permit without the associated 401 Water Quality Cer ƟficaƟon, concurrence
with USFWS (iniƟated on 7/27/23) , and comments from NCWRC. Please note, DWR’s 30-day public comment period
ends on August 26, 2023. hƩps://www.ncwater.org/?page=745

Do not hesitate to ask any quesƟons.
Thank you,

Mitchell Anderson
Asheville Regulatory Field Office
USACE – Wilmington District
828.271.7980, ext. 4231
[e-mail]

From: Trone, Rick <[e-mail]>
Sent: Tuesday, July 25, 2023 2:45 PM
To: Anderson, Mitchell L CIV USARMY CESAW (USA) <[e-mail]>;
[e-mail]
Subject: [URL Verdict: Neutral][Non-DoD Source] Maggie Valley WWTP Levee Repair (SAW-2013-00210)

Good aŌernoon, Mitchell, and Andrew.

Hope this finds you both well. Last week I submiƩed a PCN for emergency repairs on a levee protec Ɵng the Maggie
Valley WWTP. Due to the nature of the repairs needed and the pending trout moratorium I was hoping to get this on
your radar as soon as possible. The Town has a preconstruc Ɵon meeƟng scheduled for August 1st and the contractor is
ready to go.

I know you both have plenty of applicaƟons ahead of this one and normally I would not ask to expedite anything this
early but if there is anything you all can do to get it moving the Town would greatly appreciate it so they can get the
work started before the trout moratorium or any further undermining of the levee.

If you need anything for your review, please let me know. I don’t have a DEQ # yet Andrew, in fact they fee hasn’t even
been requested so I know you don’t have it on your list.

Thanks!

Rick Trone
ENVIRONMENTAL SCIENTIST III

t: 919.469.3340 d: 919.538.8184 Cary, NC WITHERSRAVENEL.COM