20180180 Ver 2_WLS Response to Year 3 Review_20230307

Baker, Caroline D
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Merritt, Katie
Thursday, March
Baker, Caroline D
16, 2023 10:51 AM
Hamilton, Ryan; Hartshorn, Blake
FW: [External] RE: Hollowell MY3 Review
Please file email thread below for 2018-0180v2 and title "WLS Response to Year 3 Review"
Copying Blake for training purposes; copying Ryan because he's on Spring Break
From: Cara Conder <[e-mail]>
Sent: Tuesday, March 7, 2023 12:11 PM
To: Hamilton, Ryan <[e-mail]>
Cc: Merritt, Katie <[e-mail]>
Subject: [External] RE: Hollowell MY3 Review
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Hi Ryan,
You can send any WLS correspondence to me for now, as Emily Dunnigan is now at DMS. Thanks for reviewing Hollowell
and since there is just the one comment, I am hoping we can respond in an email vs. a formal memo.
The Hollowell site had abnormally dry conditions last year. Rainfall was lower than the 30th percentile for six of the nine
months of data collected in MY3 (this was noted in USACE report). This likely had an effect on the tree height growth
during MY3. The average tree height did increase from 2.2 ft to 2.8 ft from MY2 to MY3. WLS is not concerned regarding
the vigor or the tree survival. Plots 37 and 38 were the most concerning regarding the vigor, and plot 37 was not
meeting interim success criteria. As noted in the report a random plot was done near plot 37 and that had a stem
density of 445 and better vigor. There are currently no remedial actions proposed. Based on the monitoring year 4
success criteria results, WLS will address any remedial actions in the MY4 report if there are any.
WLS is ready to renew the bond for this year's monitoring, and can do so once we have an email documenting any bond
reductions.
Thanks,
Cara
0
CARA CONDER
SENIOR PROJECT MANAGER
[e-mail]
+ 1 [phone]
7721 Six Forks Road, Suite 130

Raleigh, NC 27615
United States
0 I 0
www.waterlandsolutions.com
From: Hamilton, Ryan <[e-mail]>
Sent: Wednesday, March 1, 2023 4:37 PM
To: [e-mail]
Cc: Merritt, Katie <[e-mail]>
Subject: Hollowell MY3 Review
Hi Emily,
DWR has reviewed the Year 3 Monitoring Report for the Hollowell Nutrient Offset and Buffer Mitigation Site and have
the following comments:
1. Upon looking at height data in across the entire site, but especially in plots 16-45, it appears that stems are
shorter than expected at year 3. Are there any factors that may be contributing to this low height? None were
mentioned in the report. The vigor data was also concerning in many of these plots. Are there any remedial
actions necessary and if so, what would those actions be?
Thank you for your attention to these comments. Please provide an adequate response to all items above along with
supporting documents if required. Considering the response provided is adequate to address the comment/s above,
this monitoring report will be approved. Confirmation of bond renewal through next year's monitoring will be required
prior to the issuance of a credit release.
Thank you for patience,
Ryan Hamilton
401 & Buffer Permitting Branch
Division of Water Resources
North Carolina Department of Environmental Quality
[phone] Cell
Location: 512 N. Salisbury Street, Archdale Building, Raleigh, NC 27604
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