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Home My WebLink AboutWQ0037135_Compliance Evaluation Inspection_20240327ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director NORTH CAROLINA Environmental Quality March 27, 2024 Delivered electronically via email to: zachkeV(d)_usbiosolids. com Zach Key, President US Biosolids, Inc. 958 Hoots Road Roaring River, NC 28669 SUBJECT: Compliance Evaluation Inspection US Biosolids, Residuals Land Application Program Permit No. WQ0037135 Wilkes County Dear Mr. Key: On February 7, 2024, Division of Water Resources staff Kristen Potwora and Caitlin Caudle conducted a scheduled routine compliance inspection of the US Biosolids RLAP permit. Zachery Key (U.S. Biosolids) was present for the entire inspection. A review of the source generating facility (Thurman Street Wastewater Treatment Plant), available records, and application fields was conducted. Land application was occurring at the time of the inspection. This review reflected compliance with the subject permit. As a reminder, a permit renewal application must be submitted by April 3, 2024. Please refer to the enclosed inspection report for additional comments and observations. If you have any questions, please contact Kristen Potwora at the letterhead address and phone number, or by email at Kristen. potwora(a0eg.nc.gov. Sincerely, FDocu Siiggned by: L oti l . JMAts' 145B49E225C94EA.. Lon T. Snider, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ — WSRO Enc: Inspection Report Cc: Wilkes County Environmental Health (electronic copy) DffNorth Carolina Department of Environmental Quality I Division of Water Resources oan caaouNn Winston-Salem Regional Office 1 450 W. Hanes Mill Rd, Suite 300 I Winston-Salem, North Carolina 27105 M336.776.9800 oep.m.m or em�nmen� Qualm DocuSigned by: Compliance Inspection Report Iti Cj- E8B834968199D49D... Permit: WQ0037135 Effective: 10/11/23 Expiration: 09/30/24 Owner: U S Biosolids Inc SOC: Effective: Expiration: Facility: U.S. Biosolids Class B Residuals Program County: Wilkes 397 Riverside Dr Region: Winston-Salem Forest City NC 28043 Contact Person: Zachery D Key Directions to Facility: System Classifications: LA, Primary ORC: Secondary ORC(s): On -Site Representative(s): Related Permits: Title: President Certification: Phone: 336-777-6909 Phone: NC0031879 City of Marion - Corpening Creek WWTP NC0006564 Baxter Healthcare Corporation - Baxter Healthcare Corporation NC0025861 City of Lowell - Lowell WWTP NC0025909 Town of Rutherfordton - Rutherfordton WWTP NC0020761 Town of North Wilkesboro - Thurman Street WWTP NC0025984 Town of Forest City - Forest City WWTP NC0021181 City of Belmont - Belmont WWTP NC0020567 Yadkin Valley Sewer Authority - Yadkin Valley Sewer Authority WWTP NC0068888 Town of Dallas - Dallas WWTP NC0020664 Town of Spindale - Spindale WWTP Inspection Date: 02/07/2024 Entry Time 09:05AM Exit Time: 10:45AM Primary Inspector: Kristen Potwora Phone: 336-776-9800 Secondary Inspector(s): Reason for Inspection: Routine Inspection Type: Compliance Evaluation Permit Inspection Type: Land Application of Residual Solids (503) Facility Status: 0 Compliant ❑ Not Compliant Question Areas: Miscellaneous Questions Sampling Transport (See attachment summary) Record Keeping Land Application Site Treatment Storage Page 1 of 4 Permit: WQ0037135 Owner - Facility: U S Biosolids Inc Inspection Date: 02/07/2024 Inspection Type: Compliance Evaluation Reason for Visit: Routine Inspection Summary: On February 7, 2024, Division of Water Resources staff Kristen Potwora and Caitlin Caudle conducted a scheduled routine compliance inspection of the US Biosolids RLAP permit. Zachery Key (U.S. Biosolids) was present for the entire inspection. A review of the source generating facility (Thurman Street Wastewater Treatment Plant), available records, and application fields was conducted. Land application was occurring at the time of the inspection. This review reflected compliance with the subject permit. • Requested Nutrients, Metals, Fecal and TCLP results on 2/5/24 and inquired on 2/16/24. Nutrient and metals, and TCLP were provided on March 19, 2024. Fecal and the 30-day bench scale test were not provided. . • As a reminder, you must submit your permit renewal application by April 3, 2024. Other observations: • Residuals were being hauled from the Thurman Street WWTP in North Wilkesboro. • There is one 750,000 gallon storage tank with two mixers that stores residuals that come from the digester. The tank is open to the atmosphere and has aeration. The tanks have up to 6 months of storage. • A sludge judge is used to collect a composite grab for all sample parameters. • Nutrients and metals were sampled on 2/8/2024. • The trucks are top loaded on a paved parking lot. • All drains go to the trench in between the drying beds that lead back to the WWTP. • Drying beds are no longer in use. • TCLP was sampled on 2/8/24. • N&M was sampled on 2/8/24. • Staff calculated PAN as 47.6 Ibs/dry ton. Field Observations: • Zachery Key notified DWR staff of land application within 24 hours. BP3 - Applied on 2/6/24 and during the inspection. - Access restriction signs were present. - Corn, 208 Ibs/ac PAN - The field was flagged with all buffers. - Application was even with no ponding or runoff. - Residuals were visible on the surface, surface application via broadcast is used. B P4-2 - Applied on 2/6/24. - Access restriction signs were present. - Corn, 208 Ibs/ac PAN - The field was flagged with all buffers. - Application was even with no ponding or runoff. - Residuals were visible on the surface, surface application via broadcast is used. Page 2 of 4 Permit: WQ0037135 Owner - Facility: U S Biosolids Inc Inspection Date: 02/07/2024 Inspection Type: Compliance Evaluation Reason for Visit: Routine Type Yes No NA NE Distribution and Marketing ❑ Land Application Record Keeping Yes No NA NE Is GW monitoring being conducted, if required? ❑ ❑ 0 ❑ Are GW samples from all MWs sampled for all required parameters? ❑ ❑ 0 ❑ Are there any GW quality violations? ❑ ❑ 0 ❑ Is GW-59A certification form completed for facility? ❑ ❑ 0 ❑ Is a copy of current permit on -site? 0 ❑ ❑ ❑ Are current metals and nutrient analysis available? 0 ❑ ❑ ❑ Are nutrient and metal loading calculating most limiting parameters? 0 ❑ ❑ ❑ a. TCLP analysis? 0 ❑ ❑ ❑ b. SSFA (Standard Soil Fertility Analysis)? ❑ ❑ ❑ Are PAN balances being maintained? 0 ❑ ❑ ❑ Are PAN balances within permit limits? 0 ❑ ❑ ❑ Has land application equipment been calibrated? ❑ ❑ ❑ Are there pH records for alkaline stabilization? ❑ ❑ 0 ❑ Are there pH records for the land application site? ❑ ❑ 0 ❑ Are nutrient/crop removal practices in place? 0 ❑ ❑ ❑ Do lab sheets support data reported on Residual Analysis Summary? ❑ ❑ ❑ Are hauling records available? 0 ❑ ❑ ❑ Are hauling records maintained and up-to-date? 0 ❑ ❑ ❑ # Has permittee been free of public complaints in last 12 months? 0 ❑ ❑ ❑ Has application occurred during Seasonal Restriction window? 0 ❑ ❑ ❑ Comment: Treatment Yes No NA NE Check all that apply Aerobic Digestion Anaerobic Digestion ❑ Alkaline Pasteurization (Class A) ❑ Alkaline Stabilization (Class B) ❑ Compost ❑ Drying Beds ❑ Other ❑ Comment: Page 3 of 4 Permit: WQ0037135 Owner - Facility: U S Biosolids Inc Inspection Date: 02/07/2024 Inspection Type: Compliance Evaluation Reason for Visit: Routine Sampling Yes No NA NE Describe sampling: Is sampling adequate? ❑ ❑ ❑ Is sampling representative? 0 ❑ ❑ ❑ Comment: Transport Yes No NA NE Is a copy of the permit in the transport vehicle? ❑ ❑ ❑ Is a copy of the spill control plan in the vehicle? ❑ ❑ ❑ Is the spill control plan satisfactory? ❑ ❑ ❑ Does transport vehicle appear to be maintained? 0 ❑ ❑ ❑ Comment: Land Application Site Yes No NA NE Is a copy of the permit on -site during application events? 0 ❑ ❑ ❑ Is the application site in overall good condition? ❑ ❑ ❑ Is the site free of runoff/ponding? ❑ ❑ ❑ If present, is the application equipment in good operating condition? ❑ ❑ ❑ Are buffers being maintained? ❑ ❑ ❑ Are limiting slopes buffered? 10% for surface application ❑ ❑ ❑ 18% for subsurface application ❑ ❑ ❑ Are there access restrictions and/or signs? ❑ ❑ ❑ Is the application site free of odors or vectors? ❑ ❑ ❑ Have performance requirements for application method been met? For injection? ❑ ❑ ❑ For incorporation? ❑ ❑ ❑ Does permit require monitoring wells? ❑ ❑ ❑ Have required MWs been installed? ❑ ❑ ❑ Are MWs properly located w/ respect to RB and CB? ❑ ❑ ❑ Are MWs properly constructed (including screened interval)? ❑ ❑ ❑ Is the surrounding area served by public water? ❑ ❑ ❑ If Annual Report indicates overapplication of PAN, are wells nearby that may be impacted? ❑ ❑ ❑ Are soil types consistent w/ Soil Scientist report/evaluation? ❑ ❑ ❑ Is the water table greater than 173' bls. ❑ ❑ ❑ Is application occurring at the time of the inspection? ❑ ❑ ❑ Comment: Page 4 of 4