NCG030650_Benchmark Exceedance Report to MRO_20240103

Baker, Caroline D
From: Nicole Johnston <[e-mail]>
Sent: Wednesday, January 3, 2024 6:16 PM
To: Eplin, Jerry W; Eplin, Jerry W
Subject: [External] Copper Exceedances for Claremont CommScope for November and
December
Importance: High
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Jerry,
With the Christmas/New Year's break, I failed to send the copper exceedance for Claremont CommScope (Permit No.
NCG030650) for the sampling event completed on November 215Y, 2023 (for which results were received on December
19t", 2023, from the laboratory). The result was 0.016 mg/L (which exceeded the benchmark of 0.010 mg/Q. I am still
working on these exceedances as we are still collecting rainwater in buckets during sampling collection.
For this event on November 215Y, the copper result was 0.012 mg/L for the stormwater bucket collection, which
exceeded the benchmark.
Also, I was on vacation for the past week at the beach this past week for the Holiday and received the results from the
sampling event completed on December 10th, 2023 (for which results were received December 27t", 2023, from the
laboratory). For this event, the copper also exceeded the benchmark of 0.10 mg/L, since the result was 0.016 mg/L (the
same as for the November collection). As for this event, the stormwater collection was non -detect as it was <0.001
mg/L.
So, any advise would be appreciated. Thank you and Happy New Year! l
Nicole Johnston
Executive Director
Yadkin Valley Sewer Authority
500 NC Hwy 268 W
Elkin, NC 28621
336-835-9819 (phone)
336-366-0870 (mobile)
336-835-9840 (fax)
[e-mail]