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Home My WebLink AboutWI0400035_Staff Report_20230710Permit No._WI0400035___________ Date: _07/10/2023 ___________ County: Forsyth___________ To: _ Michael Rogers________________ Permittee/Applicant: Ares Capital Corporation Central Office Reviewer: Michael Rogers Facility Name: Rotork I. GENERAL INFORMATION 1. This application is (check all that apply): New Renewal Minor Modification Major Modification a. Date of Inspection: 06/23/2023 b. Person contacted and contact information: Chris Hay 336-763-6025 christopherh@envirotrac.com c. Site visit conducted by: Jim Gonsiewski and Shuying Wang d. Inspection Report Printed from BIMS attached: Yes No. e. Physical Address of Site including zip code: 3920 Westpoint Boulevard Winston-Salem, NC 27103 f. Driving Directions if rural site and/or no physical address: g. Latitude: 36°02’17.29”N Longitude:80°19’34.02”W Source of Lat/Long & accuracy (i.e., Google Earth, GPS, etc.):_Google Earth______________________ II. DESCRIPTION OF INJECTION WELL(S) AND FACILITY 1. Type of injection system: Geothermal Heating/Cooling Water Return In situ Groundwater Remediation Non-Discharge Groundwater Remediation Other (Specify: ) 2. For Geothermal Water Return Well(s) only a. For existing geothermal system only: Were samples collected from Influent/Effluent sampling ports? Yes No. Provide well construction information from well tag: b. Does existing or proposed system use same well for water source and injection? Yes No If No, please provide source/supply well construction info (i.e., depth, date drilled, well contractor, etc.) and attached map and sketch location of supply well in relation to injection well and any other features in Section IV of this Staff Report. 3. Are there any potential pollution sources that may affect injection? Yes No What is/are the pollution source(s)? __________ What is the distance of the injection well(s) from the pollution source(s) __________ 4. What is the minimum distance of proposed injection wells from the property boundary? _ 10 ft _____ 5. Quality of drainage at site: Good Adequate Poor 6. Flooding potential of site: Low Moderate High 7. For Groundwater Injection Remediation Systems only, is the proposed and/or existing groundwater monitoring program (number of wells, frequency of monitoring, monitoring parameters, etc.) adequate? Yes No. If No, attach map of existing monitoring well network if applicable and recommend any changes to the groundwater-monitoring program. 8. Does the map included in the Application reasonably represent the actual site (property lines, wells, surface drainage)? Yes No. If No, or no map, please attach a sketch of the site. Show property boundaries, buildings, wells, potential pollution sources, roads, approximate scale, and north arrow. 9. For Non-Discharge Groundwater Remediation systems only (i.e., permits with WQ prefix): a. Are the treatment facilities adequate for the type of waste and disposal system? Yes No N/A. If No, please explain: b. Are the site conditions (soils, topography, depth to water table, etc.) consistent with what was reported by the soil scientist and/or Professional Engineer? Yes No N/A. If no, please explain: III. EVALUATION AND RECOMMENDATIONS 1. Do you foresee any problems with issuance/renewal of this permit? Yes No. If Yes, explain. 2. List any items that you would like WQROS Central Office to obtain through an additional information request. Make sure that you provide a reason for each item: Item Reason Cross section views showing the injection zones. Required Add manganese to the groundwater sampling plan. Monitor the levels of manganese in groundwater to see whether any exceedance of the 2L Standard occurs. 3. List specific special conditions or compliance schedules that you recommend to be included in the permit when issued. Make sure that you provide a reason for each special condition: Condition Reason 4. Recommendation Deny. If Deny, please state reasons: Hold pending receipt and review of additional information by Regional Office Issue upon receipt of needed additional information Issue 5. Signature of Report Preparer(s): Signature of WQROS Regional Supervisor: Date: IV. ADDITIONAL REGIONAL STAFF REVIEW COMMENTS/ATTACHMENTS (Optional / If Needed) The area of the proposed injection was inspected on June 23, 2023. It is located at the Rotork facility at 3920 Westpoint Boulevard in Winston-Salem, NC. The area of the injection is generally flat. Part of the injection area is in the interior of the site building. Access to the injection site is good. There were no potential problems observed during the site visit. 7/10/2023 View looking southwest of the entrance to the Rotork facility. View looking southeast and approximately downgradient of the direction of the contaminant plume. The site upgradient well, MW-3, is visible on the left side of the photograph near the center. View looking east of the location of the former soil vapor extraction system (in the small shed). The former solvent room was on the other side of the wall in this area.. View looking west of the entrance to the former degreasing room. View looking west of the degreasing tank in the former degreasing room. View looking northwest of the former degreasing room. View of deep well inside the Rotork building. View looking south in the interior of the Rotork building and a line of injection wells.