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HomeMy WebLinkAboutNC0025348_Staff Report_20190614State of North Carolina Division of Water Resources Water Quality Regional Operations Section Environmental Staff Report Quality To: ® NPDES Unit ❑ Non -Discharge Unit Application No.: NCO025348 Attn: Gary Perlmutter Facility name: New Bern WWTP From: Scott Vinson Washington Regional Office Note: This form has been adapted from the non -discharge fg acili , 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: February 27, 2019 b. Site visit conducted by: Scott Vinson & Stewart White c. Inspection report attached? ® Yes or ❑ No d. Person contacted: Tony Hawkins and their contact information: (252) 639 - 7556 ext. e. Driving directions: In New Bern at the intersection of S Glenburnie Rd. and Neuse Blvd. take S Glenburnie east for 1.1 miles and turn right onto Oaks Rd. and travel approximately 0.40 of a mile and turn left onto Glenburnie Drive and travel a half of a mile and the facility will be located at the end adjacent to the Neuse River. 2. Discharge Point(s): (the location in BIMS is a little off Latitude: 35.139106 Longitude: 77.055148 3. Receiving stream or affected surface waters: Neuse River Classification: SC; Sw, NSW River Basin and Subbasin No.; Neuse River Basin / 03-04-10 Describe receiving stream features and pertinent downstream uses: The receiving saltwater stream is classified and used for secondary recreation to include boating, canoeing and other uses involving human body contact, for wildlife habitat, for supporting aquatic life and propagation and for fishing to include fish consumption. The stream/river is located in a Nutrient Sensitive Watershed. II. PROPOSED FACILITIES: NEW APPLICATIONS n/a III. EXISTING FACILITIES: MODIFICATION AND RENEWAL APPLICATIONS 1. Are there appropriately certified Operators in Charge (ORCs) for the facility? ® Yes ❑ No ❑ N/A ORC: Tony Hawkins (WW-4) Certificate #: 990822 Backup ORC: J. Tim Scott (WW-4) Certificate #:993732 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: A 6.5 MGD plant with an Influent Flow Meter, both Automatic and Manual Bar Screens, Grit Removal, Flow splitter box, 4 anerobic basins, 2 anoxic basins, 2 oxidation ditches with 2 mixers FORM: WQROSSR 04-14 Page 1 of 3 each, 2 secondary anoxic basins, 2 reaeration basins, a Secondary splitter box leading to 2 clarifiers, a 3-cell tertiary filter, a Flash mix tank, 2 chlorine contact chambers with liquid chlorine, Dechlorination with sodium bisulfite, a Reaeration basin with 2 discharge basins, 2 effluent flow meters G for flow to the River & 1 for flow to the Quarry), Diffuser, 3 aerated sludge tanks, a Filter press, a solids Pasteurization (lime & heat) vessel, a covered sludge storage area, and 3 backup Generators used to run the plant in case of a power outage. Current permitted flow: 6.5 MGD 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: Groundwater monitoring covered in non -discharge permit WQ0017635. 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: The facility does have 3 backup generators onsite, if it is so desired to add to the description. 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): 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 facility has had no violations this past permit cycle, from 12/31/2013 to present. 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 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: None that the WaRO is aware. FORM: WQROSSR 04-14 Page 2 of 3 17. Pretreatment Program (POTWs only): Yes, New Bern has 5 industries it permits through their program. They are in compliance and we have no issues with their Pretreatment Program. 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 Nutrient credits when Further discussion is needed between WaRO (Scott Vinson), Mike Templeton, discharge is diverted to the Julie Grzyb, et.al. at the time of drafting of this permit to finalize the amount of Quarry. credit the Division is able to give to New Bern when they divert the effluent from the river to the Quarry. 3. List specific permit conditions recommended to be removed from the permit when issued: Condition Reason None 4. List specific special conditions or compliance schedules recommended to be included in the permit when issued: Condition Reason None 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: 6/14/2019 V. ADDITIONAL REGIONAL STAFF REVIEW ITEMS During the permit drafting process and prior to permit issuance, please contact WaRO (Scott Vinson), Mike Templeton, Julie Grzyb et.al. to finalize the amount of nutrient credits the Division is willing or able to give New Bern when they divert their effluent flow from the river to the Quarry FORM: WQROSSR 04-14 Page 3 of 3