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HomeMy WebLinkAboutWQ0005150_Final Permit_19910828State of North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management 512 North Salisbury Street • Raleigh, North Carolina 27626-0535 .lames G. Martin, Governor George T. Everett, Ph.D. William W. Cobey, Jr., Secretary : Director August 28, 1991 Mr. Ronnie Bugnar, Superintendent Person County Schools Post Office Box 1078 Roxboro, North Carolina 27573 Subject: Permit No. WQ0005150 Person County Schools North End Elementary School Wastewater Treatment improvements Person County Dear Mr. Bugnar: In accordance with your application received May 28, 1991, we are forwarding herewith Permit No. WQ0005150, dated August 28, 1991, to Person County School Board for the construction of improvements and operation of the subject wastewater treatment and spray irrigation facilities. This permit shall be effective from the date of issuance until July 31, 1996, and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to the monitoring requirements in this permit. Failure to establish an adequate system for collecting and maintaining the required operational information will result in future compliance problems. If any parts, requirements, or limitations contained in this permit are unacceptable to you, you have the right to request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding. One set of approved plans and specifications is being forwarded to you. If you need additional information concerning this matter, please contact Mr. John Seymour at 919/ 733-5083. cc: Person County Health Department Raleigh Regional Office Groundwater Section Training and Certification Unit Facilities Assessment Unit Pollution Prevention Pays P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 An Equal Opportunity Affirmative Action Employer NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES RALEIGH SPRAY IRRIGATION SYSTEM PERMIT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Person County School Board Person County construction and operation of a 5,430 GPD wastewater treatment and spray irrigation facility consisting of an existing 9,800 gallon septic tank, an existing dosing tank with dual siphons rated at 110 gallons per inch draw down, an existing 1,000 square foot surface sand filter, a tablet chlorinator in an open grate vault, a 100 GPM pump station with dual submersible pumps and high water alarms, approximately 841 linear feet of 4 inch force main, a 119,460 gallon lined storage lagoon with high water alarms, a pad mounted spray field suction pump rated at 67 GPM, a 1.10 acre spray field (Area 1) and a 1.76 acre spray field (Area 2), and all associated valves, piping, sprinklers, controls, and appurtenances to serve North End Elementary School with no discharge of wastes to the surface waters, pursuant to the application received May 28, 1991 and in conformity with the project plan, specifications, and other supporting data subsequently filed and approved by the Department of Environment, Health and Natural Resources and considered a part of this permit. This permit shall be effective from the date of issuance until July 31, 1996, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS 1. Upon completion of construction and prior to operation of this permitted facility, a certification must be received from a professional engineer certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications. Mail the Certification to the Permits and Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535. 2. The Raleigh Regional Office, phone no. 919/ 733-2314, shall be notified at least forty-eight (48) hours in advance of operation of the installed facilities so that an in -place inspection can be made. Such notification to the regional supervisor shall be made during the normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State Holidays. 3 . The spray irrigation facilities shall be effectively maintained and operated at all times so that there is no discharge to the surface waters, nor any contamination of ground waters which will render them unsatisfactory for normal use. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions or failure of the irrigation area to adequately absorb the wastewater, the Permittee shall take such immediate corrective action to correct the problem, including actions as may be required by the Division of Environmental Management. 4. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface or groundwaters resulting from the operation of this facility. 5. The sludge generated from these treatment facilities must be disposed of in accordance with General Statute 143-215.1 and in a manner approved by the North Carolina Division of Environmental Management. 6. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited. 7. The following buffers shall be maintained: a) 400 feet between wetted area and any residence under separate ownership, b) 150 feet between wetted area and property lines, c) 100 feet between wetted area and wells, d) 100 feet between wetted area and drainageways or surface water bodies, e) 50 feet between wetted area and public right of ways, f) 100 feet between wastewater treatment units and wells, g) 50 feet between wastewater treatment units and property lines. A leakage test shall be performed on the septic tank and dosing tank to insure that any exfiltration occurs at a rate which does not exceed twenty (20) gallons per twenty-four (24) hours per 1,000 gallons of tank capacity. The engineer's certification will serve as proof of compliance with this condition. 9. A fence must be placed on the eastern edge of the 1.76 acre spray field. II. OPERATION AND MAINTENANCE REQUIREMENTS 1. The facilities shall be properly maintained and operated at all times. 2. Upon classification of the facility by the Certification Commission, the Permittee shall employ a certified wastewater treatment plant operator to be in responsible charge of the wastewater treatment facilities. The operator must hold a certificate of the type and grade at least equivalent to the classification assigned to the wastewater treatment facilities by the Certification Commission. Once the facility is classified, the Permittee must submit a letter to the Certification Commission which designates the operator in responsible charge within thirty days after the wastewater treatment facilities are 500/c complete. 3. A suitable vegetative cover shall be maintained. 4. Irrigation shall not be performed during inclement weather or when the ground is in a condition that will cause runoff. 5. Adequate measures shall be taken to prevent wastewater runoff from the spray field. 6. The facilities shall be effectively maintained and operated as a non -discharge system to prevent the discharge of any wastewater resulting from the operation of this facility. 2 7 . The application rate shall not exceed: a) for the 1.10 acre spray field (Area 1), 0.5 inches/ acre/ week b) for the 1.76 acre spray field (Area 2), 0.35 inches/ acre/ week c) for the 1.10 acre spray field (Area 1), an instantaneous rate of 0.15 in./ac./hr. d) for the 1.76 acre spray field (Area 2) an instantaneous rate of 0.3 in./ac./hr. 8. No type of wastewater other than that from North End Elementary School shall be sprayed onto the irrigation area_ 9. No traffic or equipment shall be allowed on the disposal area except while installation occurs or while normal maintenance is being performed. 10. Public access to the land application sites shall be controlled during active site use. Such controls shall include the posting of signs showing the activities being conducted at each site. III. MONITORING AND_REPORTING REQUIREMENTS Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed necessary by the Division of Environmental Management to insure surface and ground water protection will be established and an acceptable sampling reporting schedule shall be followed. 2. Adequate records shall be maintained by the Permittee tracking the amount of wastewater disposed. These records shall include, but are not necessarily limited to the following information: a) date of irrigation, b) volume of wastewater irrigated, c) field irrigated, d) length of time field is irrigated, e) continuous weekly, monthly, for each field, f) weather conditions, and g) maintenance of cover crops. and year-to-date hydraulic (inches/acre) loadings 3. The effluent from the subject facilities shall be monitored by the Permittee at the point prior to irrigation every January, May and September for the following parameters: Parameter BODS TSS Fecal Coliform PH NH3 as N 4. Three copies of all operation and disposal records (as specified in condition 111 2) and all effluent monitoring data (as specified in condition 111 3) and any other data as may be required shall be submitted on or before the last day of the following month to the following address: NC Division of Environmental Management Water Quality Section Facility Assessment Unit PO Box 29535 Raleigh, NC 27626-0535 5. Noncompliance Notification: The Permittee shall report by telephone to the Raleigh Regional Office, telephone no. 919/ 733-2314, as soon as possible, but in no case more than 24 hours or on the next working day following the occurrence or first knowledge of the occurrence of any of the following: a. Any occurrence at the wastewater treatment facility which results in the treatment of significant amounts of wastes which are abnormal in quantity or characteristic, such as the dumping of the contents of a sludge digester; the known passage of a slug of hazardous substance through the facility; or any other unusual circumstances. h. Any process unit failure, due to known or unknown reasons, that render the facility incapable of adequate wastewater treatment such as mechanical or electrical failures of pumps, aerators, compressors, etc. c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass directly to receiving waters without treatment of all or any portion of the influent to such station or facility. d. Any time that self monitoring information indicates that the facility has gone out of compliance with its permit limitations. Persons reporting such occurrences by telephone shall also file a written report in letter form within 15 days following first knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to ensure that the problem does not recur. IV. GROJIND31ATER REQUIREMENTS 1. Any groundwater quality monitoring, as deemed necessary by the Division, shall be provided. 2. The interior surfaces of the lagoon shall be completely lined with a 30 -mil thick HDPE liner exhibiting a hydraulic conductivity of no less than 1 x 10-7 cm/sec. Following installation and inspection of the lagoon liner, and prior to waste disposal operations, certification of the liner's compliance with approved construction specifications and the line -es integrity must be provided to the Division of Environmental Management, Groundwater Section, by the project engineer. V. INSPECTIONS, Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure proper operation of the subject facilities. 2. The Permittee or his designee shall inspect the wastewater treatment and disposal facilities to prevent malfunctions and deterioration, operator errors and discharges which may cause or lead to the release of wastes to the environment, a threat to human health, or a nuisance. The Permittee shall keep an inspection log or summary including at least the date and time of inspection, observations made, and any maintenance, repairs, or corrective actions taken by the Permittee. This log of inspections shall be maintained by the Permittee for a period of three years from the date of the inspection and shall be made available upon request to the Division of Environmental Management or other penmitting authority. 3. Any duly authorized officer, employee, or representative of the Division of Environmental Management may, upon presentation of credentials, enter and inspect any property, premises or place on or related to the disposal site and facility at any reasonable time for the purpose of determining compliance with this permit; may inspect or copy any records that must be kept under the terms and conditions of this permit; or may obtain samples of groundwater, surface water, or leachate. VI. GENERAL CONDITIONS This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans, specifications, and other supporting data. 2. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the Division of Environmental Management accompanied by an application fee, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. 4. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to an enforcement action by the Division of Environmental Management in accordance with North Carolina General Statute 143-215.6. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and federal) which have jurisdiction. 6. Prior to any transfer of this land, a notice shall be given to the new owner that gives full details of the materials applied at this site. 7. A set of approved plans and specifications for the subject project must be retained by the Permittee for the life of the project. 8. The annual administering and compliance fee must be paid by the Permittee within thirty days after being billed by the Division. Failure to pay the fee accordingly may cause the Division to initiate action to revoke this permit as specified by 15 NCAC 2H .0205 (c)(4). 9. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its extension. Upon receipt of the request, the Commission will review the adequacy of the facilities described therein, and if warranted, will extend the permit for such period of time and under such conditions and limitations as it may deem appropriate. 10. The subject wastewater treatment and disposal facilities shall be connected to an operational publicly owned wastewater collection system within 180 days of its availability to the subject facilities, if the subject wastewater treatment or disposal facilities are in noncompliance with the terms and conditions of this non -discharge permit or the governing statutes or regulations. Prior to the initiation of these connection activities, appropriate approval must be received from this Division. 5 Permit issued this the 28th day of August, 1991 TH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION George T. Everet Division of Envik By Authority of the Management Commission Permit No. WQ0005150 August 28, 1991 Engineer's Certification Z, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project, Project Name Location for the Permitwe hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. Signature Date Registration No. lilt -F VK L 4QL)% I Ak. I V V so RATING SCALE FOR CLASSIFICATION OF FACiLfTIES Name of Plant: I ()o ,--79 ElL, Ec.cm Eau 17i RV .Sc 466 c- Owner or Contact Person: K6 Aj"jE ,G v Al A-Pl­ Mailing Address: Po -78 ........ ........ � ° x �o � r r1[ G --- y -7 s 73------------ County: pE�esonl l Telephone: NPDES Permit No. NC00 Nondisc. Per. No. IssueDate: Expiration Date: Existing Facility New Facility. Rated By: -56 f4FE���-�4 Date; C, /Z& l4 / Reviewed (Train. & Cert.) Reg. Office_ Reviewed (Train. & Cert.) Central Office ORC Grade T{=:M POINTS ITEM 1) Industrial Pretreatment Units and/or Industrial Pretreatment Program (see`delinilion No. 33) 2) 0ESIGN FLOW OF PLANT IN GPD (nol applicable to non-conlaminaled cooling - alers, sludge handling facilities for water ficalion plants, totally closed cycle :ems (del. No- 11), and facilities consisting only of Item (4) (d) 'or Items (4) (d) and (11) (d)) } 0 20,000.......................... 20,001 50,000 ......................... . 50,001 100,000 .......................... 100,001 250,000.......................... 250.001 500.000 ......................... . 500,001 -•1,000,000.......................... 1.000,001 -- 2,000,000 ........................ 2,000,001 (and up) - rate i point additional for each 200,000 gpd capacity up to a maximum of 30 Design Flow (gpd) : 5�1349 () PRELIMINARY UNITS (see definition no- 32) (a) Bar Screens ........ . .............. . .. . ... . Or (b) Mechanical Screens, Slatic Screens or Comminuting Devices ........... ........... . (c) Grit Removal ............... . ............. . or (d) Mechanical or Aerated Grit Removal ........... r^` Flow Measuring Device ....................... or istrumented Flow Measurement .............. (g) Preaeration ............ . 4 2 3 4 5 8 10 1 2 1 2 1 2 2 (h) Influent Flow Equalization ................... .... 2 (i) Grease or Oil Separators - Gravity .......... 2 Mechanical .......... 3 Dissolved Air Flotation. 8 (j) Prechlorination ............. ................ 5 POINTS (4) PAWARYTREATM ENT UNITS (a) Septic Tank (see definition no. 43) .............. (b) Imhoff Tank .................................. (c) Primary Clarifiers ............................ (d) Settling Ponds or Settling Tanks for Inorganic Non -toxic Materials (sludge handling facilities for water purification plants, sand, gravel, stone, and other mining operations except recreational activities such as gem or gold mining) ...................................... (5) SECONDARY TREATMENT UNITS (a) Carbonaceous Stage (i)Aeration - High Purity Oxygen System ..... Diffused Air System .......... . Mechanical Air System (fixed, floaling or rotor) ............. . Separate Sludge Reaeration .... . (ii) Trickling Filter High Rate ................... Standard Rale ............... Packed Tower ............... (iii) Biological Aerated Filter or Aerated Biological Filter ...................... (iv) Aerated Lagoons ..................... . (v) Rotating Biological Contactors ......... . (vi) Sand Filters - intermittent biological .. . . . recirculating biological . . . . . (vii) Stabilization Lagoons ...... . ........... . (viii)Clarifier .............................. (ix) Single stage system for combined carbonaceous removal of BOO and nitrogenous removal by nitrification (see del. No. 12) (Points for this item have to be in addition to items (5) (a) (i) through (5) (a) (viii) ................. (x) Nutrient additions to enhance BCD removal ............................... (xi) Biological Culture (-Super Bugs.) addition to enhance organic compound removal .. .. . 5 5 7 20 1c 8 3 7 5 5 10 10 10 3 5 5 6 5 eration - High Purity Oxygen System ..... 20 s' Diffused Air System ........... 10 Mechanical- Air System (fixed, floating, or rotor) ...... ...... 8 F(ii) Separate Sludge Reaeralion ..... 3 Trickling Filler -High Rate .............. 7 Standard Rate ............ 5 Packed Tower............ 5 (iii) Biological Aerated Filter or Aerated Biological Riter ...................... . .. 10 (iv) Rotating Biological Contactors ............ 10 (v) Sand Filter - intermittent biological .... . . , . 2 recirculating biological . .... ... 3 (vi) Clarifier ................................ 5 (6) TERTIARY OR ADVANCED TREATMENT UNIT (a) Activated Carbons Beds - without carbon regeneration .................. 5 with carbon regeneration .................... 15 (b) Powdered or Granular Activated Carbon Feed - without carbon regeneration ..... . ........... 5 with carbon regeneration ................... 15 (c) Air Stripping ............................. 5 (d) Denitrification Process (separate process) . . .. . 10 (e) Electrodialysis .............................. 5 (f) Foam Separation ............................. 5 (g) Ion Exchange ................................ 5 (h) Land Application of Treated Effluent (see definition no. 22b) (not applicable for sand, gravel, stone and other similar mining operations) �,,(i) on agriculturally managed sites (See del. No.4)--................................ 10 (ii) by high rate infiltration on non -agriculturally managed sites (includes rotary distributors and similar fixed nozzle systems) ........... (iii) by subsurface disposal (includes low pressure pipe systems and gravity systems except at plants consisting of septic tank and niidfica- lion lines only) ............................. 4 (i) Microscreens.................................. 5 (j) Phosphorus Removal by Biological Processes (See def. No. 26) ............................. 20 (k) Polishing Ponds - without aeration ....... 2 with aeration .......... 5 (1) Post Aeration - cascade .............. 0 diffused or mechanical . .. 5 (m) Reverse Osmosis ............................... 5 (n) Sand or Mixed -Media Filters - low rate ........... 2 high rate .......... 5 (o) Treatment processes for removal of metal or cyanide.................................... 15 (p) Treatment processes for removal of toxic materials other than metal or cyanide ......... 45 (7) SLUDGE TREATMENT (a) Sludge Digestion Tank - Heated ............... 10 Aerobic ............... 5 Unheated ...... ....... 3 (b) Sludge Stabilization (chemical or thermal) . . . . . . . 5 (c) Sludge Drying Beds - Gravity ................. 2 Vacuum Assisted ....... 5 4) Sludge Elulrialion ............................. 5 Sludge Conditioner (chemical or thermal) ........ 5 } Sludge Thickener (gravity) ...................... 5 (g) Dissolved Air Flotation Unit (not applicable to a unit rates as (3) (i) ......... 8 (h) Sludge Gas Utilization (including gas storage) . . . . 2 (i) Sludge Holding Tank - Aerated ............ . ... . Non-aeraled ............ (j) Sludge Incinerator - (not including activated carbon regeneration) ..... I (k) Vacuum Filler, Centrifuge or Filler Press or other similar dewatering devices .................... 1 (8) SLUDGE DISPOSAL (including incinerated ash) (a) Lagoons ........................................ . (b) Land Application (surface and subsurface) (see definition 22a) -where the facility holds the land app. permit .. . 1 -by contracting to a land application operator who holds the land application permit ............... . -land application of sludge by a contractor who does not hold the permit for the wastewater treatment facility where the sludge is generated ......... 1 (c) Landfifl6d (burial) ............................ . (9) DISINFECTION (a) Chlorination ............................ . (b) Dechlorination ........................ 5 (c) Ozone .............................. 5 (d) Radiation. . ................ ........ 5 (10) CHEMICAL ADDITION SYSTEM (S) (See definition No. 9) (not applicable to chemical additions rated as item (3) 6), (5) (a) (xi), (6) (a), (6) (b), (7) (b), (7) (e), (9) (a), (9) (b), or (9) (c) 5 points each: List: 5 5 5 5 (11) MISCELLANEOUS UNITS (a) Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials including wastes Uom mining operations containing nitrogen and/or phosphorous compounds in amounts significantly greater than is common for domestic wastewater .......... 4 (b) Effluent Flow Equalization (not applicable to storage basins which are inherent in land application systems). 2 (c) Stage Discharge (not applicable to storage basins inherent in land application systems.......................................� 5 (d) Pumps ............................ _............................ .......................................... elf (e) Stand -By Power Supply.................................................................. 3 (f) Thermal Pollution Control Device. ................... ........................ 3 TOTAL POINTS 7 CLASSIFICATION ass ........................ 5 - 25 Points ass It ........................................................ 26- 50 Points Class III ....................................................... 51- 65 Points ClassIV.....- ................................................ . 66- Up Points Facilities having a rating of one through four points, inclusive, do not require a certified operator. Classification of all other facilities requires a comparable grade operator in responsible charge. Facilities having an activated sludge process will be assigned a minimum classification of Class II, Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class II. Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class` III.