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HomeMy WebLinkAboutWQ0004115_Staff Report_20231106State of North Carolina Division of Water Resources Water Quality Regional Operations Section Staff Report FORM: WQROSSR 04-14 Page 1 of 6 To: NPDES Unit Non-Discharge Unit Application No.: WQ0004115 Attn: Erick Saunders Facility name: Champion Hills WWTP From: Melanie Kemp Asheville Regional Office Note: This form has been adapted from the non-discharge facility staff report to document the review of both non- discharge and NPDES permit applications and/or renewals. Please complete all sections as they are applicable. I. GENERAL AND SITE VISIT INFORMATION 1. Was a site visit conducted? Yes or No a. Date of site visit: March 29, 2023 b. Site visit conducted by: Melanie Kemp c. Inspection report attached? Yes or No In LF d. Person contacted: Danielle Hunter, ORC and their contact information: 828-551-7961 ext. e. Driving directions: Take I-40 W from ARO, then take exit 46A to get on I-26 E. Take exit 40 towards NC- 280/191. Take a right on 280W. Turn left on Haywood Rd, right on Banner Farm Rd, right on US- 64W/Brevard Rd. Turn left on Cummings Rd, right on Big Willow Rd, left on Willow Rd, then left on Chattooga Run. The access road to get to the WWTP is just before 365 Chatt ooga Run Rd, through the golf course green. 2. Discharge Point(s): Latitude: Longitude: Latitude: Longitude: 3. Receiving stream or affected surface waters: Classification: River Basin and Subbasin No. Describe receiving stream features and pertinent downstream uses: II. PROPOSED FACILITIES: NEW APPLICATIONS 1. Facility Classification: (Please attach completed rating sheet to be attached to issued permit) Proposed flow: Current permitted flow: 2. Are the new treatment facilities adequate for the type of waste and disposal system? Yes or No If no, explain: 3. Are site conditions (soils, depth to water table, etc) consistent with the submitted reports? Yes No N/A If no, please explain: 4. Do the plans and site map represent the actual site (property lines, wells, etc.)? Yes No N/A If no, please explain: DocuSign Envelope ID: 4574BF26-57C1-44E9-B6CF-AF77E5256C14 FORM: WQROSSR 04-14 Page 2 of 6 5. Is the proposed residuals management plan adequate? Yes No N/A If no, please explain: 6. Are the proposed application rates (e.g., hydraulic, nutrient) acceptable? Yes No N/A If no, please explain: 7. Are there any setback conflicts for proposed treatment, storage and disposal sites? Yes or No If yes, attach a map showing conflict areas. 8. Is the proposed or existing groundwater monitoring program adequate? Yes No N/A If no, explain and recommend any changes to the groundwater monitoring program: 9. For residuals, will seasonal or other restrictions be required? Yes No N/A If yes, attach list of sites with restrictions (Certification B) Describe the residuals handling and utilization scheme: 10. Possible toxic impacts to surface waters: 11. Pretreatment Program (POTWs only): III. EXISTING FACILITIES: MODIFICATION AND RENEWAL APPLICATIONS 1. Are there appropriately certified Operators in Charge (ORCs) for the facility? Yes No N/A ORC: Karl Griffiths Certificate #: 15613 Backup ORC: Danielle Hunter Certificate #:1007992 2. Are the design, maintenance and operation of the treatment facilities adequate for the type of waste and disposal system? Yes or No If no, please explain: Description of existing facilities: 70,000 gallon per day (GPD) wastewater collection, reclaimed water generation, and non-conjunctive reclaimed water utilization system consisting of the continued operation of a wastewater collection system consisting of: approximately 62,400 linear feet (LF) of 8-inch gravity sewer line, and approximately 465 manholes; a 243 gallon per minute (GPM) maximum flow influent pump station (PS # 1) with high-water alarms, non-clog pumps, alternate power source, radio telemetry, and approximately 100 LF of 4- inch force main; a 20 GPM maximum flow pump station (PS 9) with high-water alarms, grinder pumps, a 25 kilowatt ( kW) natural gas back-up generator, radio telemetry, and approximately 1,000 LF of 2.5-inch force main; a 55 GPM maximum flow pump station (PS # 3) with high-water alarms, grinder pumps, radio telemetry, a 35 kW natural gas back-up generator, and approximately 2,000 LF of 3-inch force main; a 72 GPM maximum flow pump station (PS # 4) with highwater alarms, grinder pumps, radio telemetry, a 35 kW natural gas back-up generator, and approximately 900 LF of 2-inch force main; a 20 GPM maximum flow pump station (PS # 6) with high- water alarms, grinder pumps, radio telemetry, 20 kW natural gas backup generator, and approximately 900 LF of 2-inch force main; a 10 GPM maximum flow pump station (PS # 47) with high-water alarms, grinder pumps, radio telemetry, a 22 kW natural gas back- up generator, and approximately 500 LF of 2-inch force main; a 50 GPM maximum flow pump station (PS # 10) with high-water alarms, grinder pumps, radio telemetry, a 20 kW natural gas back- up generator source, and approximately 1,600 LF of 2.5- inch force main; a 50 GPM maximum flow pump station (PS # 11) with high-water alarms, grinder pumps, radio telemetry, a 20 kW natural gas back-up generator, and approximately 800 LF of 2 1/2- inch force main; and all associated piping, valves, controls, and appurtenances; the continued operation of a 70,000 GPD reclaimed water generation system consisting of: a 25,200 gallon flow equalization tank with dual submersible pumps, and a blower unit; two 35,165 gallon aeration tanks in parallel served by two 240 cubic feet per minute (CFM) blowers; two 6,150 gallon clarifiers in parallel; a 5,470 gallon aerated sludge holding tank; an 11,000 gallon aerated sludge holding tank; a 10,230 gallon surge tank with dual non-clog pumps; a tertiary filter with blower, and two back wash pumps; a chlorine contact basin; a de-chlorination unit; a 100 kW continuous natural gas standby generator servicing the entire treatment facility; radio telemetry notification; and all associated piping, valves, controls, and appurtenances; and the continued operation of a non-conjunctive reclaimed water utilization system consisting of: a 243 GPM maximum flow effluent pump station (PS # 8) with high-water alarms, non -clog pumps, alternate power source, and approximately 300 LF of 3-inch force main; a 700,00 DocuSign Envelope ID: 4574BF26-57C1-44E9-B6CF-AF77E5256C14 FORM: WQROSSR 04-14 Page 3 of 6 gallon synthetically lined effluent holding/ irrigation pond; a 12-inch drain line with gate valve; a 600 GPM irrigation pump station; a 49.97 acre spray irrigation area; and all associated piping, valves, controls, and appurtenances Proposed flow: 70,000 GPD Current permitted flow: Same as above Explain anything observed during the site visit that needs to be addressed by the permit, or that may be important for the permit writer to know (i.e., equipment condition, function, maintenance, a change in facility ownership, etc 3. Are the site conditions (e.g., soils, topography, depth to water table, etc) maintained appropriately and adequately assimilating the waste? Yes or No If no, please explain: 4. Has the site changed in any way that may affect the permit (e.g., drainage added, new wells inside the compliance boundary, new development, etc.)? Yes or No If yes, please explain: 5. Is the residuals management plan adequate? Yes or No If no, please explain: 6. Are the existing application rates (e.g., hydraulic, nutrient) still acceptable? Yes or No N/A If no, please explain: 7. Is the existing groundwater monitoring program adequate? Yes No N/A If no, explain and recommend any changes to the groundwater monitoring program: 8. Are there any setback conflicts for existing treatment, storage and disposal sites? Yes or No If yes, attach a map showing conflict areas. 9. Is the description of the facilities as written in the existing permit correct? Yes or No If no, please explain: 10. Were monitoring wells properly constructed and located? Yes No N/A If no, please explain: 11. Are the monitoring well coordinates correct in BIMS? Yes No N/A If no, please complete the following (expand table if necessary): Monitoring Well Latitude Longitude ○ ′ ″ - ○ ′ ″ ○ ′ ″ - ○ ′ ″ ○ ′ ″ - ○ ′ ″ ○ ′ ″ - ○ ′ ″ ○ ′ ″ - ○ ′ ″ 12. Has a review of all self-monitoring data been conducted (e.g., DMR, NDMR, NDAR, GW)? Yes or No Please summarize any findings resulting from this review: The site has had no limits or reporting violations recently. Provide input to help the permit writer evaluate any requests for reduced monitoring, if applicable. 13. Are there any permit changes needed in order to address ongoing BIMS violations? Yes or No If yes, please explain: 14. Check all that apply: No compliance issues Current enforcement action(s) Currently under JOC Notice(s) of violation Currently under SOC Currently under moratorium Please explain and attach any documents that may help clarify answer/comments (i.e., NOV, NOD, etc.) If the facility has had compliance problems during the permit cycle, please explain the status. Has the RO been working with the Permittee? Is a solution underway or in place? DocuSign Envelope ID: 4574BF26-57C1-44E9-B6CF-AF77E5256C14 FORM: WQROSSR 04-14 Page 4 of 6 Have all compliance dates/conditions in the existing permit been satisfied? Yes No N/A If no, please explain: 15. Are there any issues related to compliance/enforcement that should be resolved before issuing this permit? Yes No N/A If yes, please explain: 16. Possible toxic impacts to surface waters: 17. Pretreatment Program (POTWs only): DocuSign Envelope ID: 4574BF26-57C1-44E9-B6CF-AF77E5256C14 FORM: WQROSSR 04-14 Page 5 of 6 IV. REGIONAL OFFICE RECOMMENDATIONS 1. Do you foresee any problems with issuance/renewal of this permit? Yes or No If yes, please explain: 2. List any items that you would like the NPDES Unit or Non-Discharge Unit Central Office to obtain through an additional information request: Item Reason 3. List specific permit conditions recommended to be removed from the permit when issued: Condition Reason 4. List specific special conditions or compliance schedules recommended to be included in the permit when issued: Condition Reason 5. Recommendation: Hold, pending receipt and review of additional information by regional office Hold, pending review of draft permit by regional office Issue upon receipt of needed additional information Issue Deny (Please state reasons: ) 6. Signature of report preparer: Signature of regional supervisor: Date: DocuSign Envelope ID: 4574BF26-57C1-44E9-B6CF-AF77E5256C14 11/6/2023 FORM: WQROSSR 04-14 Page 6 of 6 V. ADDITIONAL REGIONAL STAFF REVIEW ITEMS It should be noted that the facility is in the process of designing a new wastewater treatment plant to replace the existing one. A permit modification will likely be required to alter the permit description. The facility also holds an NPDES permit (NC0087106). DocuSign Envelope ID: 4574BF26-57C1-44E9-B6CF-AF77E5256C14