NC0075701_Email (WTP Copper exceedances)_20200207

Scheller, Roberto
From: Cook, Clinton
Sent: Friday, February 7, 2020 9:36 AM
To: Scheller, Roberto
Subject: FW: Albemarle Copper exceedances
Roberto,
Please see the email from Mark below.
Thanks,
Clint
Clinton O. Cook, PE
Regional Engineer
Division of Water Resources — Public Water Supply Section
North Carolina Department of Environmental Quaiity
704 663 1699 office
704 663 6040 fax
clinton. cook ncdenr. ov
Mooresville Regional Office
610 East Center Avenue. Suite 301
Mooresville. NC 28115
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From. Hahn, Mark L
Sent: Friday, February 7, 2020 9:33 AM
To: Cook, Clinton <[e-mail]>
Subject: FW: Albemarle Copper exceedances
Hi Clint,
Here is the email I sent Roberto on Jan 17"', after my visit to Albemarle.
-ai. Hahn
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Iv€Yri1a Carolim Depar=ent of Env ironmentA Quahty
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704- 3S-2125 O fide)
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From: Hahn, Mark L
Sent: Friday, January 17, 2020 12:14 PM
1

To: Scheller, Roberto <roberto.scheller ncdenr. ov>
Subject: Albemarle Copper exceedances
Hi Roberto,
I met with Jason Culp at the Tuckertown WTP (recently renamed Jack F. Neal WTP), yesterday to discuss the violations
on their Copper discharges.
Mr. Culp informed me that they would try to attack the issue in a Three -fold approach to try and reduce the copper
levels:
1. The City is seeking to remove the sludge from the sludge lagoon. He has contacted contractors, and is waiting
on their response.
2. The City will reduce the amount of copper sulfate they use to combat the algal blooms.
3. The City may look into adding a coagulant such as Alum (at very low dosages) to bind phosphate to prevent algal
blooms from occurring in their off stream reservoir.
4. The City is also looking at installing Powdered Activated Carbon (PAC) to combat any taste and odor complaints
in the event another algal bloom does occur.
Thanks for the information on the copper exceedances, I think the City is moving in the right direction, and seeking
multiple ways to mitigate copper.
Sincerest Regards,
Mark
ago
INfark H2hn
Senior -Eradronmental SPeckzhA
North Caroms Department of Env mmmentai Quality
70-235--2125 (Office)
704-579 0873 (Cell)
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