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HomeMy WebLinkAboutWQ0013398_Final Permit_19970502State of North Carolina Department of Environment, Health and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director May 2, 1997 Mr. Gene Blanton, Vice President Sandpiper Bay Golf & Country Club 800 Sandpiper Bay Drive Sunset Beach, NC 28469 Dear Mr. Blanton: C:> FE N Flt' Subject: Permit No. WQ0013399 Sandpiper Bay Golf & Country Club Wastewater Spray Irrigation Brunswick County In accordance with your application received January 27, 1997, we are forwarding herewith Permit Number. WQ0013398, dated May 2, 1997, to Sandpiper Bay Golf & Country Club for the construction and operation of the subject wastewater treatment and spray irrigation facilities. This permit shall be effective from the date of issuance until April 30, 2002, and shall be subject tL- 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, you have the right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the 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. Randy Kepler at (919) 733-5083 extension 544. Sincerely A. Preston Howard, Jr., P.E. cc: Brunswick County Health Department Hobbs, Upchurch & Associates, P.A. Wilmington Regional Office, Water Quality Section Wilmington Regional Office, Groundwater Section Bob Cheek, Groundwater Section, Central Office Training and Certification Unit Facilities Assessment Unit P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone (919) 733-5083 FAX (919) 733-0719 An Equal Opportunity Affirmative Action Empioyer 50% recycled/ 10% post -consumer paper 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 Sandpiper Bay Golf & Country Club Brunswick County FOR THE construction and operation of a 150,000 GPD wastewater treatment system consisting of a 30,000 gallon aerated flow equalization basin with duplex 156 GPM pumps; a manually cleaned bar screen; two, 75,000 gallon aeration basins with fine bubble aeration; two, 25,000 gallon clarifiers; a 23,500 gallon sludge holding tank; one blower at 85 CFM, one blower at 80 CFM and three blowers at 325 CFM each; two high rate gravity tertiary filters each with a surface area of 52 square feet; a 3,125 gallon chlorine contact tank with three tablet chlorinators; a turbidity sensor and indicating transmitter, a dedicated stand-by emergency power generator with automatic transfer switches and all the necessary pipes, pumps, valves and appurtenances needed for proper operation, and for the construction and operation of a spray irrigation system consisting of a 756,500 gallon 5 day upset pond, a 762,500 gallon irrigation pond with connection to the other ponds on site (these ponds do not discharge off site), approximately 118 acres of existing and proposed boles at the golf course and all the necessary pipes, pumps and irrigation equipment required for reuse on the 27 hole golf course, to serve the Sandpiper Bay Golf & Country Club with no discharge of wastes to the surface waters, pursuant to the application received January 27, 1997 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 April 30, 2002 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, and other supporting materials. Mail the Certification to the Water Quality Permits and Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535. 2. The Wilmington Regional Office, telephone number 910-395-3900, 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 assimilate the wastewater, the Permittee shall take immediate corrective actions including those actions that may be required by the Division of Water Quality, such as the construction of additional or replacement wastewater treatment and disposal facilities. 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 residuals generated from these treatment facilities must be disposed in accordance with General Statute 143-215.1 and in a manner approved by the North Carolina Division of Water Quality. b. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited. 7. The following buffers shall be maintained: a) 100 feet between wetted area and water supply wells, b) 100 feet between wetted area and waters classified as SA, c) 100 feet between wastewater treatment units and wells, d) 50 feet between wastewater treatment units and property lines, and e) 25 feet between wetted area and surface waters not classified as SA. 8. Public access to the land application sites shall be controlled during active site use. Such controls may include the posting of signs showing the activities being conducted at each site. A sign shall be posted in plain sight in the club house showing these activities. 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 (ORC) of the wastewater treatment facilities. The operator must hold a certificate of the type and grade at least equivalent to or greater than the classification assigned to the wastewater treatment facilities by the Certification Commission. The Permittee must also employ a certified back-up operator of the appropriate type and grade to comply with the conditions of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at least weekly and each Class II, 111, and IV facility at least daily, excluding weekends and holidays, and must properly manage and document daily operation and maintenance of the facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202. 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 50% complete. 3. A suitable vegetative cover shall be maintained on the spray irrigation areas. 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. 7. The application rate shall not exceed a cumulative loading of 91.0 inches over any twelve (12) month period at an instantaneous application rate not to exceed 1.0 inch per hour. 8 . No type of wastewater other than that from Sandpiper Bay Golf and Country Club shall be sprayed onto the irrigation area. 9. All wastewater shall be routed to the five-day holding pond should the limit for fecal coliform (daily maximum concentration of 25 per 100 ml.) or turbidity (instantaneous maximum of 10 NTU) be exceeded, until such time that the problems associated with the treatment capability of the wastewater treatment plant have been corrected. The wastewater in the five-day holding pond shall be pumped back to the treatment plant for retreatment or treated in the five-day pondprior to discharge to the storage pond. MONITORING AND REPORTING REQUIREMENTS 1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed necessary by the Division of Water Quality to insure surface and ground water protection will be established and an acceptable sampling reporting schedule shall be followed. 2. As an indicator of proper operation and maintenance, the facility shall produce an effluent in compliance with the following limitations: Parameter Monthly_Averagea Dail Instantaneous Maximumc Flow BOD5 (5-day, 20°C) NH3 as N TSS Fecal Coliform Turbidity 10 mg/l 4 mg/l 5 mg/1 14 per 100 mlb 150,000 GPD 15 mg1I 6 mg/l 10 mg/1 25 per 100 ml 10 NTU a Monthly averages for all but fecal coliform shall be the arithmetic mean of all samples collected during the reporting period. b Monthly average for fecal coliform shall be the geometric mean of all samples collected during the reporting period. c Daily maximum shall be the maximum value of all samples collected during the reporting period. The effluent from the subject facilities shall be monitored, by the Permittee, at the point prior to discharge to the long term holding pond for the following parameters: Parameter Sampling Point Sampling Frequency Type of Sam le Flow Turbidity BODE (5-day, 20°C) NH3 as N TSS Fecal Coliform Settleable Matter NO3 'IDS TOC Chloride Influent or Effluent Continuous Recording Effluent Continuous Recording Effluent *2/Month Composite Effluent *2/Month Composite Effluent *2/Month Composite Effluent of first pond *2/Month Grab Effluent Daily Grab Effluent Triannually Grab Effluent * *Triannually Grab Effluent * *Triannually Grab Effluent * *Triannually Grab The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard units. * 2/Month sampling frequency only during the months of April through October. During the remainder of the year, these parameters shall be monitored monthly. ** Triannually sampling shall be conducted during March, July and November. If Groundwater sampling indicates or predicts problems with the compliance with Groundwater Standards, this permit will be modified to include additional and/or more restrictive limitations. 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 and time of irrigation, b. volume of wastewater irrigated, c . zone irrigated, d. length of time zone is irrigated, e . continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each zone, f. weather conditions, and g. maintenance of cover crops. 4. Three (3) copies of all operation and disposal records (as specified in condition 1113) on Form NDAR-1 shall be submitted on or before the last day of the following month. Three (3) copies of all effluent monitoring data (as specified in condition 1112) on Form NDMR-1 shall be submitted on or before the last day of April, August and December. All information shall be submitted to the following address: NC Division of Water Quality Water Quality Section Facility Assessment Unit Post Office Box 29535 Raleigh, -NC 27626-0535 4 A copy of the sampling results for NO3, TDS, TOC, Chloride, and Fecal Coliform as sampled in Condition III, 2 above shall be forwarded to the Wilmington Regional Office, Groundwater Section, 127 Cardinal Drive Extension, Wilmington, NC 28405-3845 on or before the last day of April, August and December. 6. A record shall be maintained of all residuals removed from this facility. This record shall include the name of the hauler, permit authorizing the disposal or a letter from a municipality agreeing to accept the residuals, date the residuals were hauled, and volume of residuals removed. 7. A maintenance log shall be maintained at this facility including but not limited to the following items: a. Daily sampling results including residual chlorine, settleable matter, and dissolved oxygen in the aeration basin and at the clarifier weir. b . Visual observations of the plant and plant site. c. Record of preventative maintenance (changing of filters, adjusting belt tensions, alarm testing, diffuser inspections and cleanings, etc.). d . Date of calibration of flow measurement device. e. Date and results of power interruption testing on alternate power supply. Noncompliance Notification: The Permittee shall report by telephone to the Wilmington Regional Office, telephone number 910-395-3900, 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. b . 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 five (5) 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. GROUNDWATER REQUIREMENTS 1. Any groundwater quality monitoring, as deemed necessary by the Division, shall be provided. 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 Water Quality or other permitting authority. Any duly authorized officer, employee, or representative of the Division of Water Quality may, upon presentation of credentials, enter and inspect any property, premises or place on or related to the disposal site or facility at any reasonable time for the purpose of determining compliance with this permit; may inspect or copy any records that must be maintained under the terms and conditions of this permit, and may obtain samples of groundwater, surface water, or leachate. VT. GENERAL CONDITIONS This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and 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. 3. 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 Water Quality 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 Water Quality in accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c). 5. 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. A set of approved plans and specifications for the subject project must be retained by the Permittee for the life of the project. 7. 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 211.0205 (c)(4). 8. 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. 0 Permit issued this the Second day of May, 1997 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION A. Preston Howard, Jr., P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0013398 Permit No. WQ0013398 May 2, 1997 ENGINEER'S CERTIFICATION 1, , 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 Permittee 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 this permit, the approved plans and specifications, and other supporting materials. Signature Date Registration No. _ Pleasant Vie Ott>it, ne ou lr+ —_ • — 51' -a- \ — 375 Pleasant-Vle` •v —• T ! aF —~ �� corn i ...• S( - a! I I 126, errL + �C p 25- Ga-.e OARS I .� R ✓ I _ � .�': • - , , fir•• `' �: ` '�-��� __ ji .#•. P-o -sunset Beach ' `=- - j.Evee 3- Z$•DAa B -al �Wp7EA\R,aY fips'Il ,• _ �� ` • � ''���'�. Bo'aoz�e�-.: 6cz: iiamP ' _ — . - - _ _ `� T - � _ - - -�'�' _ ' 1 L --` -- - # = - �,• TZ] 32' 30" I 728 �2 75D 000 FEET iS.C.I T3i)� � ID3TERIOH�iEOLOGILAL SURVEY. RE5TGN, VIRGINIA—iB91 ROAD CLASSIFICATION Primary high -ay, Light -duty road. hard or 2 hard surface ....... - improved surface . - 2000 t Secondary hivhway. RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS Name of Facility: Owner or Contact Mailing Address: 2Mr . County: Telephone: 5 Present Classification: New Facility Existing Facility NPDES Per. No. NC00 Nondisc. Per. No.WQDOi ILL Health Dept.Per No. Rated by: Cc Telephone: Date: Reviewed by: Health Dept. Telephone: Regional Office Telephone: Central Office Telephone: ORC: Grade: Check Classification(s): Subsurface Spr y_.Irrigation Wastewater Classification., (Circle One) 1 II 11 IV Telephone: Land Application Total Points: ► r :►1 � ��� : \ / � / � ►Ili�� .�l, i/�7 �►I �1� 4a : i : ► ►11.. _ : wl �i ► ! � li art �i/ 1 �i► ".�: ►! ��.►S [NJ =GPI/1 10IM WMAI I kvil = 9 1 m NMI E Mr.,;JOU;a WE% aXIM Le.► I. :.►:r I-l� ��.► y \W.", : JI. a:r SUBSURFACE CtASSIFICATtoN (check alf units that apply) 1. septic tanks 2. pump tanks 3. siphon or pump -dosing systems 4. sand filters 5. grease trapfinterceptor 6. oil/water separators 7. gravity subsurface treatment and disposal: B.-pressure subsurface treatment and disposal: SPRAY IRRIGATION CLASSIFICATION (check all units that apply) 1. preliminary treatment (definition no. 32 ) 2. lagoons 3. septic tanks 4. pump tanks 5. pumps 6. sand filters 7. grease trapfinterceptor 8, oil/water separators 9. disinfection 10. chemical addition for nutrient/algae control 11. spray irrigation of wastewater In addition to the above classifications, pretreatment of wastewater In excess of these components shall be rated using the point rating system and will require an operator with an appropriate dual certification. LAND APPLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder) 1. Land application of biosolids, residuals or contaminated soils on a designated site. WASTEWATER TREATMENT FACILITY CLASSIFICATION The following systems shall be assigned a Class 1 classification, unless the flow is of a significant quantify or the technology is unusually complex, to require consideration by the Commission on a case -by -case basis: (Check if Appropriate) 1. Oil/water Separator Systems consisting only of physical separation, pumps and disposal; 2. Septic Tank/Sand Fifter Systems consisting only of septic tanks, dosing apparatus, pumps,sand fillers, disinfection and direct discharge; 3. l..agoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for algae or nutrient control, and direct discharge; 4. Closed -loop Recycle Systems; 5. Groundwater Remediation Systems consisting only of oiVwatef separators, pumps, air -stripping, carbon adsorption, disinfection and dispo ,J; 6. Aquacufture operations with discharge to surface waters; 7. Waler Plant sludge handling and back -wash water treatment; 8. Seafood processing consisting of screening and disposal. g. Singfe-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permitted after July 1, 1993 or if upon inspection by the Division, it is found that the system is not being adequately operated or maintained. Such systems will be notified of the classification or reclassification by the Commission, in writing. The following scale is used for rating wastewater treatment facilities: (circle appropriate points) ITEM POINTS ( 1) Industrial Pretreatment Units or Industrial Pretreatment Program (see delinhion No. 33)...................................................4 (2) DESIGN FLOW OF PLANT IN gpd (rot applicable to non -contaminated cooling water;, sludge handling facilities for water purification plants, totally closed cycle systems(see definition No. t 1), and facilities consisting only of hem (4)(d) or Items (4)(d) and (11)(d)) 0 - 20,000........................................................................................................................I.......................1 20,001 - 50.000......................................................................................................................................2 50,001 - 100,000.................................................................................................................................... 100,001 - 250.000.......... .............. ...................... ...................................................................... ............. /4 J 250,001 - 500,000.................................................................................................................... .............. 500,001 1,000.000 ............................................................................................................................... E 1,000.001 - 2,000.000............................... ............ ...... .................................... ........... I .................. I ....... 10 2.000,001 (and up) rate 1 point additional for each 200,000 gpd capacity up to a maximum of .................30 Design Row (gpd) (3) PRELIMINARY UNITSIPROCESSES (see definition No.32) (a) Bar Screens............................................................................................................................................mot or (b) Mechanical Screens, Static Screens or Comminuting Devices..........................................................................2 (c) Grit Rantoval.............................................................................................................................................1 or (d) Mechanical or Aerated Grit Removal.............................................................................................................2 (0) Flow MeasurkV Device ....................................................... ........ .............. .......................... ............ ............. I (1) or Instrumented Flow Measurement............................................................................................................... (g) Preaeratlon.............................................................................................................................................. (h) Inituenl Flow Equalization........................................................................................................................' 2 (1) Grease or Oil Separators - Gravity...... ........................................................................................................... Mechanical.................................................................................................................................................3 DissolvedAir Flatatlon................................................................................................................................8 {)} Prechlorination.........................................................................................................................................5 (4) PRIMARYTREATMENT LNITSIPROCESSF.S (a) Septic Tank (see definition No. 43).....................................................................................................--.....2 (b) Imhoff Tank. ................................................................................................... ..................................... _..5 (c) Primary Clarhlers..........................................................................................................................................5 (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 orgold mining)........................................................................................................................................2 (5) SECONDARYTREATMENTL4n&PROCESSES (a) Carbonaceous Stage (1) Aeration -High Purity Oxygen System...............................................................................20 DiffusedAir System.......................................................................................................1 0; Mechanical Air System (fixed, floating or rotor) .................................... .............................. Separate Sludge Reaeratlon.................................. .................................................. ......... (11) Trickling Filter HighRate.......................................................................................................................7 StandardRate...............................................................................................................5 PackedTower.................................................................................................................5 (ill) Biological Aerated Fitter or Aerated Biological Flher............................................................1 0 (iv) Aerated Lagoons..........................................................................................................10 (v) Rotating Biological Contactors ........ ...................................................... ........................ t 0 (vi) Sand Filters -intermittent biological..................................................................................2 Recirculating biological.....................................................................................................3 (vll) Stabilization Lagoons....................................................................................................5 (vill) Clarifier .........................................................................................................................:a! (Ix) Single stage system for combined carbonaceous removal of BOO and nitrogenous removal by nhrhicatlon (see definition No. 12){Points for this hem have to be In addition to hems (5)(a)(1) through (5)(a)(viii), -.., utlhzing the extended aeration process (see deflnhlon No.3a).......... ....................... ....... �2� utilizing other than the extended aeration process............................................................a (x) Nutrient additions to enhance BOO removal......................................................................5 (XI) Blological Cuhure ('Super Bugs')addhion........................................................................5 (b) Nitrogenous Stage (1) Aeration - High Purty Oxygen System ....... _....................................................................20 DiffusedAir System .................................................. ............... ...................................... I 0 Mechanical Air System (fixed, floating or rotor).................................................................E SeparateSludge ReaeratIon............................................................................................E (h} Trickling Fllter-High Rate...................................................................................................7 StandardRate................................................................................................................5 PackedTower................................................................................................................5 {lit) Biological Aerated Filter or Aerated Slotogical Filter.............................................................1 0 (iv) Rotating Biological ContactOrs......................................................................................10 (v} Sand Flitter - Intermittent biological..................................................................................2 Recirculatingbiological....................................................................................................E (VI) cbrffier....... ................................ ...................................................................................s (8) TERTIARY OR ADVANCED TREATMENT UNITS+PROCESSES (a) Activated Carbon Beds - without carbon regeneration...................................................................................................S with carbon regeneration..,. ................................................................................ ........... _1 5 (b) Powdered or Granular Acl"led Carbon Food- ,Mthout carbon regeneration..................................................................................................5 -fifth carbon regeneration .....................................................................................................1 5 (c) Air stripping.............................................................................................................................................5 (d) Denitrificatlon Process..............................................................................................................................10 (e) Electrodlalysis.............................................................................................................................................6 (1) Foam Separation........................................................................................................................................5 (g) Ion Exchange.............................................................................................................................................5 (h) land Appilcation of Treated Effluert (see deflnhion No. 22b) (rot applicable for sand, gravel. stone and other similar mining operations) by high rate Inliltratlon..........................................................................4 (1) Microscreens............................................................................................................................................5 (1) Phosphorous Removal by Biological Processes (See definition No. 26).........................................................20 (k) Polishing Ponds - without aeration ............................. ............ .............. ................................................... -2 withaeration.................................................................................................................5 41) Post Aeration - cascade..............................................................................................................................0 ditfusedor mechanical........................................................................................................2 (m) Reverse Osmosis.........................................................................................................................................5 (n) Sand or Mixed -Media Filters . low rate........................................................................................................ & highrate................................................................... (o) Treatment processes tar removal of metal or cyanide...................................................................................1 5 (p) treatment processes for removal of toxic materials other than metal or cyanide..............................................15 (7) SUJOGETREATMENT (a) Sludge Digestion Tank - Heated (anaerobic)...............................................................................................10 Aerobic........................................................................................................................................... 10 Unheated (anaerobic) ....................................................................3 (b) Sludge Stabillzation (chemical or thermal)....................................................................................................5 (c) Sludge Drying Reds - Gravity.....................................................................................................................2 VacuumAssisted......................................................................................................................................5 (d) Sludge Eluldatlon............................................................................. ............ (a) Sludge Condhloner (chemical or them7at).....................................................................................................5 (f ) Sludge Thickener (gravity).........................................................................................................................5 (g) Dissolved Air Flotation Unit (not applicable to a unit rated as(3)(i)).................... I........•••.•.......1•••-•^............8 (h) Sludge Gas Utilization (Including gas storage).............................................................................................2 (I) Sludge Holding Tank - Aerated. ................. Nor> ae rated................................._...................................... ,.,.................................................................. 2 (j) Sludge Incinerator (not including activated carbon regeneration)................................................................10 (k) Vacuum Flier, Centhiuge, or Filter Press or other similar dewatering devices...................................................1 0 (8) RESIDUALS UTILIZATIONIDISPOSAL (including Incinerated ash) (a) ............................................. Lagoons............................................................................................. ........2 (b) Land Application (surface and subsurface) (see definition 22a) by contracting to a land application operator or landfill operator who holds the land application permit orlandfill permit........................................................................-........................................... (c) Dedicated Landfill(burial) by the parmhlee of the wastewater treatment facility...............................................5 (9) DiSI`'JFECTCN (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 kern (3)0). (5)(a)(xi), (6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each. List...............................................................................................................................I......5 .....................................................................................................................................5 ............................................................................................................................I...... 5 ............................................................. ........................................................... (11) MISCELLANEOUS UNTTSrPZCESSES (a) Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials Including wastes from mining operations containing nitrogen or phosphorus 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) ................................. r11 (d) Pumps.............................................................................................................................. ....................' 36) } (e) Stand -By Power Supply..........................................................................................................................* (1) Thermal Pollution Control Device.................................................................................................................3 TOTALPOINTS.......................................................................... CLASSIFICATION ctmI ........... ......... ............ .......... ................................................................. 5-25 Points Class II.........................................................................................................26-50 Points classIII............................................................................................. ..51-65 Points Class IV .......................... ............................... ................ .............................. 66•Up Points ------------------------------------------------------------- Facilities having a rating of one through four points, Inclusive, do not require a certified operator. Facilities having an activated sludge process will be assigned a minimum classification of Class 11. Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class 11. Facilities having treatment processes for the biological removal of phosphors will be assigned a minimum classification of Class lit. I" DEFINITIONS The following definitions shall apply throughout this Subchapter. (1) Acl)vated Carbon Beds. A physlcal/chemica I method for reducing soluble organic malarial from wastewater effluent; The column -type beds used in this method will have a ftow rate varying from two to eight gallons per minute per square foot and may be either upflow or downflow carbon beds. Carbon may or may not be regenerated on the wastewater treatment plant site; (2) Aerated Lagoons. A basin in which all solids are maintained in suspension and by which biological oxidation or organic matter Is reduced through artificially accelerated transfer of oxygen on a tiow-through basis; 13) Aeratlon. A process of bringing about Intimate contact between air or high purtty oxygen In a liquid by spraying, agitation or diHuslon;(3a) Extended Aeration. An activated sludge process utilizing a minimum hydrauftc detention time of 18 hours. (4) Agriculturally managed site. Any sire on which a crop Is produced, managed, and harvested (Crop includes grasses, grains, trees, etc.); (5) Air Stripping. A process by which the ammonium Ion is first converted to dissolved ammonia (pH adjustment) with the ammonia then released to the atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and xylene; (6) Carbon Regeneration. The regeneration of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the absorbed impurities; (7) Carbonaceous Stage. A stage of wastewater treatment designed to achieve 'secondary` effluent limits; (8) Centrifuge. A mechanical device In which centrifugal force Is used to separate solids from liquids or to separate liquids of ddferent densit, as; (9) Chemical Addhlon Systems- The addition of chemlca4(s) to wastewater at an application point for purposes of Improving solids removal, pH adjustment, alkalinity control, etc,; the capability 10 experiment with different chemicals and different applicatlon points to achieve a specific result will be considered one system; the capability to add chemical(s) to dual units will be rated as one system; capability to add a chemical at a different application points for different purposes will result In the systems being rated as separate systems; (10) Chemical Sludge Conditioning. The addition of a chemical compound such as lime, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to its application to a dewatering device; (11) Closed Cycle Systems. Use of holding ponds or holding tanks for containment of wastewater containing Inorganic, non -toxic materials from sand, gravel, crushed stone or other similar operations. Such systems shall carry a maximum of two points regardless of pumping faclMles or any other appurtenances; (12) Combined Rernovaf of Carbonaceous BOO and Nitrogenous Removal by Nitrification- A single stage system required to achieve permit effluent Trnhs on BOD and ammonia nitrogen within the same biological reactor, (13) DochloriratforL The partial or complete reduction of residual chlorine In a liquid by any chemical or physical process; (14) Deniirificaflon Process. The conversion of nitrate -nitrogen to nitrogen gas; (15) Eleclrodlaiysis. Process for removing Ionized saps from water through the use of lon-select ve Ion -exchange membranes; (16) Filter Press. A process operated mechanically for partially dewatehng sludge; (17) Foam Separation. The planned frothing of wastewater or wastewater effluent as a means of removing excessive amounts of deiargent materials through the introduction of air In the form of fine bubbles; also called loam fractionation; (18) Grtl Removal. The process of removing grit and other heavy mineral matter from wastewater; (19) Imhoff Tank. A deep two story wastewater lank consisting of an upper sedimerdation chamber and a lower sludge digestion chamber. (20) Instrumented Flow Measurement, A device which Indicates and records rate of flow; (21) Ion Exchange, A chemical process in which ions from two different molecules are exchanged; (22) Land application: (a) Sludge Disposal. A final sludge disposal method by which wet sludge may be applied to land either by spraying on the surface or by subsurface injection (i.e., chisel plow); [not applicable for types of sludge described to (11) of this Rule]; (b) Treated Eflluard. The process of spraying treated wastewater onto a land area or other methods of appl;cation of wastewater onto a land area as a means of final disposal or treatment; (23) Microscreen. A low speed, continuously back -washed, rotating drum fitter operating under gravity conditions as a polishing method for removing suspended solids from eitluern; (24) NiWiicalion Process- The biochemical conversion of unoxidized nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually nitrate); (25) Nitrogenous Stage. A separate stage of wastewater traatment designed for the specific purpose of converting ammonia nitrogen to nitrate nitrogen; (26) Phosphate Removal, Biological- The remcva; of phosphorus from wastewater by an oxidanoxic process designed to enhance luxury uptake of phosphorus by the microorganisms; (27) Polishing Pond. A holding pond following sacondary treatment with sufficient detention time to allow settling of finely suspended solids; (28) Post Aeration. Aeration following conventional secondary treatment units to Increase effluent D.O. or for any other purpose; (29) Post Aeration. (Cascade) A po€ishing method by which dissolved oxygen is added to the otlluent by a nonmechanical, gravity means of flowing down a series at steps or weirs; The flow occurring across the stops or weirs moves in a fairly thin layer and the operation of the cascade requires no operator adjustment; thus, zero points are assigned even though this is an essential step to meeting the limits of the discharge permit; (30) Powdered to Granular Activated Carbon Feed. A bbphyslcal carbon process that utilizes biological activity and organic absorption by using powdered or granular activated carbon; Virgin or regenerated carbon is teed controlled into the system; (31) Preaeration. A tank constructed to provide aeration prior to primary treatment; (32) Preliminary Units. Unit operations in the treatment process, such as screening and comminution, that prepare the liquor for subsequent major operations; (33) industrial Pretreatment. (a) Pre-treatment Unit, Industrial. The conditioning of a waste at its source before dischargo, to remove or to neutralize substances Injurious to sewers and treatment processes or to effect a partial reduction in load on the treatment process which is operated by the same governing body as the wastewater treatment plant being rated; b) Pre-treatment Program, Industrial - must be a Stale or EPA required program to receive points on the rating sheet; (34) Primary Clarifiers. The lirst settling tanks through which wastewater is passed in a treatment works for the purpose of removing settleable and suspended solids and BCD which Is associated with the solids; (35) Pumps. Alt influent, effluent and in -plant pumps; (36) Radiation. Disinfection or sterilization process utilizing devices emitting ultraviolet or gamma rays; (37) Reverse Osmosis. A treatment process In which a heavy contaminated liquid Is pressurized through a membrane forming nearly pure liquid free from suspended solids; (38) Rotating Biological Contractors. A fixed biological growth process In which wastewater flows through tanks in which a series of pal submerged circular surfaces are rotaled; (39) Sand Filters: (a) Intermtttant Biological, Filtration of effluent lotlowing septic tanks, lagoons, or some other treatment process in which further biodecomposltlon is expected to produce desired ellluerl Hydraulic loading rates on these fillers are computed In gpd/ac and have a resulting low gpMsl (less than one); b) Recirculaiing biological - the same type of sand filter as defined in Subparagraph (39) (a) of this Rule w th the added capability to recycle effluent back through the sand filler; (40) Sand ar Mixed -Media F tiers. A polishing process by which effluent tlmits are achieved through a further reduction of suspended solids; (a) low rats. -- gravity, hydraulically loaded filter with loading rates In the one to three gprrVsf range; (b) high rate -- a pressure, hydraulically loaded t€her with loading rates in the five gprnlsf range; At any rate, the ioading rate will exceed three gprrJsf; (41) Secondary Clarifiers. A tank which follows the biological unit of treatment plant and which has the purpose of removing sludges associated with the biological treatment units; (42) Separate Sludge Reaaration. A pan of The contact stabilization process where the activated sludge Is transferred to a tank and aerated before returrilrg it to the contact basin; (43) Septic Tank A sir le -story settling tank in which sauced sludge is in contact with the wastewater flowing through the tank; shall not be applicable for septic tank systems serving single family residences having capacity of 2,000 gallons or less which discharge to a nitrification field; (44) Sludge Digestion. The process by which organic or volatile matter and sludge is gasified, liquefied, mineralized or corxened into more stable organic matter through the activity of living organisms, which Includes aerated holding tanks; (k5) Sludge Drying Beds. An area comprising natural or artificial layers of porous materials upon which digested sewage sludge is dried by drainage and evaporation; (4-6) Sludge Elutriation. A process of sludge conditioning in which certain constituents are removed by successiva washings with fresh water or plant effluent; (47) Sludge Gas Ufilizalion. The process of using sewage gas for the purpose of heating bulldings, driving engines, etc.; (45) Sludge Holding Tank (Aerated and Nonaeraled). A tank uliflzed for small wastewater treatment plants not conlalning a digester in which sludge may be kept fresh, and supernatant withdrawn prior to a drying method (i.e. sludge drying beds); This may be done by adding a small an -taunt of air simply to keep the sludge fresh, but nol necessarily an amount that would be required to achieve stabilization of organic matter. A nonaeraled tank would simply be used to decant sludge prior to dewatering and would not allow long periods (severaf days of detention) without resulting odor problems; (49) Sludge Incinerators. A furnace designed to bum sludge and to remove all molsture and combuslible materials and reduce the sludge to a sterile ash; (50) Sludge Stabilization (Chemical or Thermal). A process to make treated sludge less odorous and putrescible, and to reduce the pathogenic organism content; This may be done by pH adjustment, chlorine dosing, or by heat treatment; (51) Sludge Thickener. A type of sedimentation tank In which the sludge Is permitted to settle and thicken through agitation and gravity; (52) Stabilization Lagoon. A type of oxidation lagoon in which biological oxidation of organic matter Is effected by natural transfer of oxygen to the water from air (not a polishing pond); (53) Siand-By Power Supply. On site or portable electrical generating equipment; (54) Static Screens. A stationary screen designed to remove solids, including non -biodegradable particulate (tloalabia solids, suspended solids and SOD reduction) from municipal and industral wastewater treatment systems; (55) Tertiary Trealmenf. A stage of Treatment fallowing secondary which is primarily for the purpose of effluent poFshing; A settling lagoon or sand or coal filter might be employed hor this purpose; (56) Thermal Pollution Control Device. A device providing for the transfer of heat from a fluid bowing in tubes to another fluid outside the tubes, or vice versa; or other means of regulating liquid tamperaturas; (57) Thermal Sludge Conditloner. A conditioning process by which heal Is added for a protracted period of time to Improve the dewaterabilhy of sludge by The soiubtlizing and hydraullzing of the smaller and more highly hydrated sludge panicles; (58) Toxic Materials. Those wastes or combinations of wastes, Inducting dlsease-causing ages which after discharge and upon exposure, Ingestion, inhalation or assimilation into any organism, either directly from the environment or indirectly by ingestion through food chains, will cause death, disease, behavioral abrormaiitios, cancer, genetic mutations, physiological malfvnctions (Including maffunctions In reproduction) or physical deformatlons, In such organisms or their offspring; Toxic materials Include, by way of dfustratlon and not Ilmhatlon: lead, cadmium, chromium, mercury, vanadium, arsanic, zinc, onho-nftro-cNorobe nzone (ONCB), polychlorinated biphenyis (PCBs) and diehiorodiphonyl triehloroethane (DDT); and any other materials that have or may hereafter be determined to have toxic properties- (59) Trickling Filter. A biological troaimort unit consisting of a material such as broken stone or rock over which wastewater is distributed; A high rate trickling filter is one which operated at between 10 and 30 mgd per acre. A low rats trickling litter Is one which is designed to operate at one to four mgd per acre; (60) Trickling Fitter (Packed Tower). A plug flow type of operation In which wastewater flows down through successive layers of media or filtrate material; Organic material is removed continually by the active blologicaf fixed growth In each successive layer. This method may produce 'secondary" quaflty effluent, or may be adapted to produce a hill effluent; (61) Vacuum Filter, Centrifuges, or Rher Presses. Devices which are designed to remove excess water from efiher digested or undigested sludge prior to disposal or further treatment.