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HomeMy WebLinkAbout20201025 Ver 2_Monitoring Report 12-22-22_20221222Sibelco North America, Inc. 136 Crystal Drive • Spruce Pine, NC 28777 (PHONE) 828/765-1114 • (FAX) 828/765-4755 CERTIFIED MAIL RETURN RECEIPT REQUESTED Ms. Amanda Jones Fuemmeler Asheville Regulatory Field Office US Army Corps of Engineers 151 Patton Avenue, Room 208 Asheville, NC 28801-5006 Subject: Dear Ms. Fuemmeler: Stream Water Level and Precipitation Monitoring Sibelco North America, Inc. — Brushy Creek Mine Action ID SAW-2019-01042 & DWR #202001025 011is Waste Area Expansion Spruce Pine, North Carolina, Avery County DEC 2 8 2022 Water Quality Regional Oper Ejcr,:. Asheville Regional Office December 22, 2022 Pursuant to United States Army Corps of Engineers Permit (Action ID: SAW-2019-01042) issued December 15, 2021, and North Carolina Division of Water Resources Permit DWQ#202001025 Ver 2 issued September 21, 2021, for the impact of a linear stream associated with the expansion of Sibelco North America, Inc.'s 011is Plant Tailings Waste Area Expansion, please find enclosed daily flow measurements and daily precipitation totals. Special Condition P of the Army Corps Permit states "The pressure transducer will be installed one year prior to the start of construction, monitoring will continue through two years post -construction of the project. Baseline and Annual monitoring reports will be submitted to the Corps that include a graph of water level and precipitation data." In addition, the Division of Water Resources Permit Condition 3 requires annual monitoring reports, including a graph of water level and precipitation data, be submitted to the DWR by December 31 each year of monitoring. A pressure transducer was installed in March of 2022 and baseline data is being collected. Please find attached graph of this past year's daily flow measurements of the unnamed tributary immediately downstream of the permitted project, prior to entering Brushy Creek. Additionally, please find a graph of the daily precipitation data collected at a nearby on -site weather station less than 1 mile away. Additional copies of these graphs are being sent to Division of Water Resources personnel at both the Asheville Regional Office and the 301 & Buffer Permitting Branch. If you have any Ms. Amanda Jones Fuemmeler Page 2 questions regarding this matter or require further information, please do not hesitate to contact me at (828) 592-2764. Sincerely, Jeffrey S. Fefguson, P. E. Sustainability Manager North America SIBELCO NORTH AMERICA, INC. Enclosure c: Mr. Landon Davidson, DWR Regional Supervisor-ARO, 2090 U.S. Hwy 70, Swannanoa, NC 28778 Mr. Paul Wojoski, Supervisor 401 & Buffer Permitting Branch, 1650 Mail Service Center, Raleigh, NC 27699-1650 Feet 0 0 0 0 4 v, ✓G7 a' a, C CD �Gi 0 f1 Jl✓ E d O G, 3 Z of 4✓ A m O Gi S 0- 0- ,,,,, 0 0 Inches m 0 0 fD n CI 3-17z I r; o aj z s 3 N e -I. N flJ A O a A el Q C • d m N M N '+ d N O I"F � 3 � tu cu