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HomeMy WebLinkAboutNC0020737_Permit Issuance_19990122WDES DOCUNEN'I' SCANNING COVER SHEET NPDES Permit: NC0020737 Kings Mountain WWTP Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) Permit Modification Correspondence 201 Facilities Plan Instream Assessment (67B) Environmental Assessment (EA) Permit History Document Date: January 22, 1999 This document is printed on re xae paper - ignore any content on the re -we -me side ,State of North Carolina Department of Environment and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Wayne McDevitt, Secretary A. Preston Howard, Jr., P.E., Director January 22, 1999 Mr. Walter C. 011is Water Resources Director City of Kings Mountain Post Office Box 429 Kings Mountain, North Carolina 28086 1, • ,aj NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Subject: Final NPDES Permit Permit No. NCO020737 Pilot Creek WWTP Cleveland County Dear Mr. 011is: In accordance with the application for a discharge permit received on June 26, 1998, the Division is forwarding herewith the subject NPDES permit. This permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North Carolina and the U.S. Environmental Protection Agency dated December 6, 1983, and as subsequently amended. Please note the following changes from the previous permit (as indicated in the draft) have been finalized: Monitoring frequencies for Total Nitrogen and Total Phosphorus were changed from monthly to quarterly (per revised 2B .0500 regulations for Broad River Basin). Toxicity language has been updated. Limits for cyanide, chromium, and nickel were removed, and monitoring frequencies for these parameters were reduced from weekly to 2/month (per Division policy for Class IV facilities). Based on a statistical analysis of past data for the reasonable potential to exceed water quality standards (Reasonable Potential Analysis), limits for these parameters are not necessary during this permit cycle. Mercury Limit and Monitoring In response to comments in your renewal letter dated June 26, 1998, mercury monitoring could not be eliminated from this permit. A Reasonable Potential Analysis of mercury data from this facility demonstrated the potential for a water quality standard violation in the stream, and so a limit is included for the next permit cycle. The North Carolina water quality standard for mercury is 0.012 µg/1, from which the daily maximum limit for this facility's flow capacity is derived (0.04 µg/1). We cannot multiply this number by "10" to obtain a different limit, as the value would not be based on any standard. Should analysis of mercury data indicate a limit is no longer necessary at the next renewal, the limit may be removed at that time. Because the mercury limit for this facility must reflect the water quality standard, this limit cannot be adjusted because the quantitation limit is higher. Please note, however, that the quantitation limit for mercury is specified on the effluent page as 0.2 µg/l. If measured levels of mercury are below 0.2 µg/1, these levels will be considered zero for compliance purposes. In the past, other North Carolina facilities having problems with unexplained mercury "hits" have begun taking duplicate and triplicate samples to ensure confidence in the data collected. If multiple samples are analyzed, the average of those results should be reported. In addition, clean sampling techniques help reduce risk of sample contamination. P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-5083/FAX 919-733-0719 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper This facility discharges into waters of North Carolina, and therefore the Division must ensure that North Carolina water quality standards are met at the point of discharge. The water quality standard for mercury adopted by North Carolina (listed in NCAC T15A: 2B .0200) is established to protect aquatic life and is based on the chronic effects of this metal. Not only does mercury interfere with healthy aquatic life, but once it is discharged into the environment, mercury readily forms the compound methyl - mercury and will accumulate in fish tissue. Humans may consume mercury -contaminated fish and potentially suffer adverse health effects. In response to your comments regarding mercury limits in South Carolina, South Carolina's Department of Health and Environmental Control (SCDHEC) communicated to us that theiraquatic life standards for mercury in fresh water are 0.012 µg/1 and 2.4 µg/t (protecting for chronic and acute effects, respectively). Although North Carolina differs in how it assigns mercury monitoring and limits in permits, South Carolina similarly considers its own standards when imposing any limits on discharges. At present, over 25 facilities in North Carolina have mercury limits in their NPDES permits. Virtually all municipalities with pretreatment programs in North Carolina and several industries where mercury is a pollutant of concern are required to monitor for mercury. There are currently three (3) significant industrial users (SIUs) that discharge to the Pilot Creek W WTP that possibly have mercury in their waste flow. This means that mercury is a pollutant of concern at this facility, and monitoring must remain in the permit; otherwise, no data would exist for the Division to determine whether or not a limit is necessary in the future. Summer/Winter Months The summer and winter month intervals in this permit are established through general statute, based on temperature trends across the State and are the same for every facility with seasonal differences in monitoring and/or limits. Since these requirements are adopted by rule, only a legal variance can change them in your permit. In response to your comment, the month of April is already considered a summer month in North Carolina NPDES permits. Also, for future reference, please feel free to cross out Centigrade units and write in Fahrenheit units when filling out the renewal application. We will consider this change when updating our renewal forms. If any parts, measurement frequencies, or sampling requirements contained in this permit are unacceptable to you, you have the right to an adjudicatory hearing upon written request within thirty (30) days following receipt of this letter. 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, Post Office Drawer 27447, Raleigh, North Carolina 27611-7447. Unless such demand is made, this decision shall be final and binding. Please take note that this permit is not transferable. Part II, E. 4. addresses the requirements to be followed in case of change in ownership or control of this discharge. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Land Resources or any other Federal or Local governmental permit that may be required. If you have any questions or comments concerning this permit, please contactBethany Bolt at (919) 733- 5083, extension 551. Sincerely, Original Signed By David A. Goodrich A: Preston Howard, Jr., P.E. Enclosure cc: Mooresville Regional Office/Water Quality Section NPDES Unit Central Files Point Source Compliance Enforcement Unit Mr. Roosevelt Childress, EPA Permit NCO020737 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY PFRMTT TO DISCHARGE WASTEWATER UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, City of Kings Mountain is hereby authorized to discharge wastewater from a facility located at Pilot Creek WWTP U.S. Highway 74 Bypass i' near Shelby Cleveland County to receiving aters designated as Buffalo Creek in the Broad River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III and IV hereof. 1 This permit s all become effective March 1, 1999. This permit and authorization to discharge shall expire at midnight on August 31, 2003. Signed this day January 22, 1999. original Signed BY Da -id A. Goodrich A. Preston Howard, Jr., P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit No. NC002073 7 SUPPLEMENT TO PERMIT COVER SHEET City of Kings Mountain is hereby authorized to: 1. Continue to operate a wastewater treatment facility consisting of dual screw pumps, bar screen, parshall flume with recorder, flow diversion, four (4) aeration basins, four (4) secondary clarifiers, chlorine contact basins, dechlorination facilities, aerobic digestors, and a belt press located at the Pilot Creek Waste Water Treatment Plant, US Highway 74 Bypass, near Shelby, Cleveland County (See Part III of this Permit), and 2. Discharge from said treatment works at the location specified on the attached map into Buffalo Creek which is classified C waters in the Broad River Basin. • •' • • I • 1' Ir4 _ -ri Course =Z, • 11 • • • ^I ` , M� ••,; . (/�` _ j`. „-,: _.- �. sae• %f S. Zi 81 v •a�- s •\ _. stir .r_ -? \ � �'� %�_ �' _ • �� �- . - L`\ •.�` � -+` O�1� \ `ayll railer. ' �_'•• :::,. V'''`=•:''Y' ` .:� ` _ 1 \,' C { l-_ - ^•, /�� t/_3 �• .� •-_'t.- a o t P arlo/v 73611 ''\� • New �J� � \-ice I ��1" ���!:_�: =_:.' -� 1� il;_t �,i� _ _ - _ �•-� � r '� IFI lar<t�-�- ;'` ���� `� l•�'^\..•a /I%j \1 •_ ��' ti • '� `+ f)j` �i ` . 74f,�"OakgrLyi"e' , l/ Nix_ ,� — — titer irk /� .� - � `�� h. �J,J ,`ram' '�_ ��' •� �.' _ 784 ts Mmarial ch • .. _ �I //^ ✓�• t../ 'r��r /�/ ram. � 1�'� Sewage ispasal <j Q'-pischargeBM — -� J 1 i,•�' ti S _ w":e �\..�/^�' � :.:-... ^° •`ti 'Lf l 1. �— . •� ` .O �if� ��f NI«J$ 1 27�30" 3459 y KINGS MOUNTAIN 6 MI. � (GROVER) 1461, ' Ili GASTONIA 15 MI. 47.54 III NW Latitude: 35015' 35" Longitude: 810 27' 26" USGS Quad #: F13SW River Basin #: 03-08-05 Receiving Stream: Buffalo Creek Stream Class: C " City of Kings Mountain NCO20737 Cleveland County Wastewater Treatment Plant A.(1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL Permit No. NCO020737 During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from outfall serial number 001. Such discharges shall be limited and monitored by the Permittee as specified below: 'a'`p !�•t .A,YR'•C'�... M3,•�Tvk !s- {��Y-�[ rf`.,t �G Si'� .y4�i,.=reT,�;tI" �:'- r _ .??. "!,_ tt• ,y ".7{„ 7.. �, ¢, r Y•� OI1 +. @e ai ax mum �� � . �-,r, .C4a";M'�ii�TORINGR ^ � .�easuremen d IEQUIIREIVIENTS-�—' am a ::�x e'j, •rs� �',� - ,: �� _ .. i, ilr":. a ."jS'.}I^,y_}•'e. f a.y} V';'V st _. ,. •.i"f^: e ... r. 1 7^ .. i".:-. .. �.` e. •ifi�I.N .. �. a. . .Y . to ,� .: " 'r; .,;�r.i .• , i �) jH YZ. ,X. 'R.l. .vt,� ,W. ft :s age:..,..., Average;. r .. Aver. -� :_.., _ .�;t. ,, �{ r' ^j�' ,F c requen y�Type��� P �. !Y -iilv,3• •�. . g t•,,, t .j, �l F'.. ..'L.' • />;. 41.E >;�:L n� . . `ocatio I-l°W ai y ns an aneous or BOD, 5-day, 20 c (April 1 — October 31) 2 28.0 m9 m9 Daily Grab, BOD, 5-day, 200C November 1 — March 31) z 30.0 mg mg Daily Composite E, Total Suspended Residue mg mg Daily omposl e 3-(April —October mg Daily composite 3- (November 1 — March 31) Daily Composite Dissolved Oxygen 4 Daily Grab Fecal ColiTorm (geometric meanT 200 100 m m ai Grab o a esi ua onne 28 pg Daily Grab Temperature, °C Daily Grab PH 5 Daily Grab Total i rogen + NO3 +Qua er y omposl e Total osp orus Quarterly omposl e Chronic Toxicity ua er y Composite Cadmium 6.10 p9Wee ly Composite Lead Composite M ercury N9Weekly— Monthly —composite It Cyanide °nth cb E Chromium 2/Month Composite Nickel on om ost e inc on om ost e Chloride 2/Month Composite Fluoride 2/Month Composite Copper on -Composite Dissolved Oxygen eeGrab Temperature, °C 3/We-ek Grab, , eca o t orm (geometric mean 3/WeekMai Conductivity3/Weekra , , Notes• Sample Locations: E - Effluent, I - Influent; U — Upstream 100 yards above the outfall, D — Downstream at NCSR 1103 • Upstream and downstream samples shall be grab samples. Stream samples shall be taken three times per week during the months of June, July, August, and September and once per week during the remaining months of the year. 2 The monthly average effluent BODS concentration shall not exceed 15% of the respective influent value (85% removal). 3 The monthly average effluent Total Suspended Residue concentration shall not exceed 30% of the respective influent value (70% removal). 4 The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/L. ' S The pH shall not be less than 6.0 standard units nor greater than 9.Ostandard units. 6 Chronic Toxicity (Ceriodaphnia) P/F at 33.0%; January, April, July, and October; See Special Condition A.(2). 7 The detection limit for mercury is 0.2 µg/l. If the measured levels of mercury are below the detection limit, then the measurement is considered to be zero for purposes of compliance evaluation and should be reported on the DMR as < 0.2 µg/i. There shall be no discharge of floating solids or visible foam in other than trace amounts. Permit NCO020737 SUPPLEMENT TO EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SPECIAL CONDITIONS A.(2). CHRON�C TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY) The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised November 1995, or subsequent versions. The effluent concentration at which there may be no observable inhibition of reproduction or significant mortality is 33.0% (defined as treatment two in the procedure document). The permit holder shall perform quarterly monitoring using this procedure to establish compliance with the permit condition. The tests will be performed during the months of January, April, July, and October. Effluent sampling for this testing shall be performed at the NPDES permitted final effluent discharge below all treatment processes. All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter code TGP3B. Additionally, DWQ Form AT-1 (original) is to be sent to the following address: Attention: Environmental Sciences Branch North Carolina Division of Water Quality 4401 Reedy Creek Road Raleigh, North Carolina 27607 Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in association with the toxicity tests, as well as all dose/response data. Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for disinfection of the waste stream. Should there be no discharge of flow from the facility during a month in which toxicity monitoring is required, the permittee will complete the information located at the top of the aquatic toxicity (AT) test form indicating the facility name, permit number, pipe number, county, and the month/year of the report with the notation of "No Flow" in the comment area of the form. The report shall be submitted to the Environmental Sciences Branch at the address cited above. Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly monitoring will begin immediately until,such time that a single test is passed. Upon passing, this monthly test requirement will revert to quarterly in the months specified above. Should the ermittee fail to monitor during a month in which toxicity monitoring is required, then monthly monitoring P g tY g q � Y will begin immediately until such time that a single test is passed. Upon passing, this monthly test requirement will revert to quarterly in the months specified above. Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Water Quality indicate potential impacts to the receiving stream, this permit may be re -opened and modified to include alternate monitoring requirements or limits. NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism survival, minimum control organism reproduction, and appropriate environmental controls, shall constitute an invalid test and will require immediate follow-up testing to be completed no later than the last day of the month following the month of the initial monitoring. 0 Ieft�ad, �1�ivision of Water Quality MEMO From: Date: To: Subject: Per �lar,�y✓t Dea✓w, t112-199 i� VVVl};rIc SAKAFJes +a6Kf dat.aIVtei, tc�[i►AMS{ ei}ye�. re�or� artra� v� all Values or rePor� k�9(�� Value. �l adviu.cl avg. iK ��s (e�%u-) Pw Gmna Kir-v6i,4' SGDqEc 's Class;�'crii0m, qV(5 (I0Vk+aC+SC.'S - rt'Sk wa�ev 541S kve N' ( imposed riwy�,any as d hno . avq s d a. ly nna�. , r� S (�e.� +'ve,l y� d✓e-- 0.012J�Pb f 2.� PP%.r CG11�►�on�L �CtA�C,. — AVa1 Ic, s cltia hc� e�, , l e,� ffa NCDENR North Carolina Department of Environment and Natural Resources PO Box 29535, Raleigh, North Carolina 27626-0535 / Phone: 733-5083 �# O1S15 / �3oa.6b THE CITY OF KINGS MOUNTAIN NORTH CAROLINA cAg 5- RO. BOX 429 . KINGS MOUNTAIN, NORTH CAROLINA 28086 . 704-734-0333 OFFICE OF THE June 26, 1998 MAYO State o f North Carolina DENR - DWQ -NPDES P.O. Box 29535 Raleigh, N. C. 27626-0535 Attn. Mr. Charles H. Weaver, Dear Mr. Weaver; Jr. OFFICE OF THE CITY MANAGER Re: NPDES Permit # NCO020737 The City of Kings Mountain does desire to renew the above referenced permit for operation of our Pilot Creek WWTP. Our check for $300 is enclosed, as are all required documents. This facility is a 6MGD Activated Sludge treatment unit. Solids handling information is enclosed. DEM records will show that all fees have been paid for the year and plant is in compliance with all permit requirements, except for an on -going mercury situation, which we are at present waiting for notification of schedualing to appear before the Committee on Civil Penalty Remissions. Due to several primary considerations, we feel the Mercury limit is unreasonable, and request it be eliminated entirely. Reason number one, which may no longer be a true statement; At the time this limit was added to our permit, it was only applied to three plants in the state. Why? And - Why Us? Number two, Any time a limit is set below detection limit, a situation is set up whereby no sample can be guaranteed to supply repeatable results. This is asking for trouble. Number three, We are only some seven "stream miles" up -stream from the South Carolina state line, below which there is no limit or requirement to even sample for Mercury, the last time I talked to operators from S.C. Who are we protecting? If this limit can't be removed, would it be possible to remove the 0 after the decimal and make the limit 0.4? This is within present detection limits and would eliminate most questionable calls, and truthfully, most of our problems. It should be remembered that we are talking parts per billion, so the limit, as set, is the equivalent of one cent in twenty five million dollars. The Historical City One other change I hesitate to request as it will create additional work for us, is in the winter/summer break down in the permit. After looking at several years of monthly DMR's, I believe the month of April should be included in the Summer portion as opposed to the Winter portion, based on historical temperatures. Along this line, DMR's require temperature in Centigrade units, renewal forms in Fahrenheit units. This causes extra work. Is the necessary? Thank you for your consideration in the above matters. If you need additional information, please call (704) 734-4525. �jSincerely, �? Walter C. 011is Water Resource Director City of Kings Mountain SOLIDS MANAGEMENT PLAN FOR PILOT CREEK WWTP, KINGS MOUNTAIN The solids management plan of the City of Kings Mountain begins with our pretreatment program. One of the primary benefits of this program has been a better understanding of what our industries are sending us, thus some control over same. This has resulted in our seeing major improvement in the quality of our sludge, especially the metals content. In the beginning this created added expense for our textile plants, since they had to change dyes, methods, and re-train employeesi The long term result has been cost savings, due to the volumes of dyes, and especially salt, being lowered and, in many iinstances, dye water being re -usable for additional colors. Sludge is',pumped from our clarifiers to Aerobic digestors where it is retained for up to twenty days, depending on plant operational needs, and is kept in an aerobic state by continuous aeration. This also serves to increase the solids content, thus making our belt -press operate more efficiently. Solids leave the digestors through a "muffin monster", then are pumped to the 2.2 meter press. Polymer is added as required,iin the piping. Sludge leaves the belt -press at an average of 18% solids, and is then stored on old drying beds which we have paved for this purpose. Beds are covered during rainy weather. Final disposal is by land application, which is contracted to Southern Soil Builders, Inc., and is accomplished as volume requires. See attached spill control plan for trucked solids. SPILL CONTROL PLAN - TOWN OF KINGS MOUNTAIN CLEVELAND COUNTY In the unlikely event o a spill, the following action shall be taken immediately: l . Halt source of the spill - overturned truck, leaking valve, ruptured tank. 2. Contain spill. Use straw bales to form a barrier. In addition to straw bales, use shovels to form an earthen barrier to augment straw bales. 3. Cleanup. Employ vacuum equipment to remove as much spill material as possible. Complete clean-up by scattering straw from straw bales, soaking up remaining materials. Pick up straw manually, and dispose in landfill. 4. Final cleanup. Flush roadways with water as necessary to clean. Allow to dry and incorporate if spill occurs on a non -paved and tillable area. In the event a spill occurs on private, property, final cleanup should be completed immediately to the satisfaction of the owner. 5. Notification. As soon as possible after the spill occurs, notify: A. Utility Dept: Kim T. Moss (704)739-7131 CC WPCF 739-7311 hm. B . Dept. of EHNR: 704) 663-1699 C. County Sheriff Dept.: (704) 484-4888 D. Fire Dept. -if assistance is required for wash down, etc. (704) 734-0444 E. SSB's main office: 910) 957-8909. Dennis Ke_ F. Applicator: NA J Farms, John Hoots 910) 957-1019 6. Management of cleanup efforts. The project manager shall take immediate charge and initiate cleanup activities. Additional labor shall be requested from the plant as needed. The project manager shall also communicate with the public on the scene answering and advising of cleanup activity. 7. Reporting. Within 24 hours of spill, the project manager shall present a written report detailing how the spill occurred and all action taken. 8. Spill prevention. Project manager shall take the immediate following steps: A. Ensure loading personnel watch tanker while loading. B. I Ensure valves and lids are closed and latched while transporting. C. � Inspect lid seals monthly, and replace as necessary. Schematic of Wastewater flow Pilot Creek WWTP Kings Mountain, NC METER D BELT PRESS SLUDGE STORAGE #1 CLARIFIER -L #1 BAR SLUDGE SCREEN STORAGE #2 SCREW PQMPS DRAINAGE FROM SLUDGESTORAGE I INFLUENT 6 MGD I C12 CLARIFIER #2 ,7s CLARIFIER #3 CLARIFIER #4 EFFLUENT 6 MOD _.. AGO A"L)1- TjffE S-HELB Y STAR o� MS., FRANCES COTTEN OCTOBER 09, 1998 NCDENR/DWQ/BUJDGET OFFICE P O BOX- 29535 I RALETH NC 27626-0535 LEGAL ADVERTISEMENT.:: -- . NORTH CAROLINA CLEVELAND COUNTY I, Kent Kilpatrick, Director of Operations of the SHELBY STAR, a newspaper published in Shelby, N.C., do • solemnly swear that the advertisement hereto annexed appeared in the Shelby Star for one successive week (s)/day (s) beginning O 07/98 Lam - Director of Operations .. Sworn to and subscribed before me on this t e 9TH DAY OF OCTOBER.1998 -eA Notary Public _ My commission_expires.02110/2002 ` - I 4.4 ;.aiL i - � y S t t ^ .� .. s �? { + r .� '?�:J :i�"L;�ii �i: s l�n��,.'Y S• �L rj � .—�.> '�i ��-`..a,�. �, i.! .. T •a b '7a•�,r4+. �� i t'��i'r S.�fa � •sa t .� f ,�• r S` 7. �i'� ��-'�y - � F. 1 < -'y l ! � :1'♦ . i—��'��r/1�� X 4 .'� ._� Y t r�'ti.,�k1'�,.f�Pi''1't jH•� lsj' `.... �ki� :.,'{:�tZ�.' �!�., f RONMENTAL MANAGE- MENT COMMISSION POST OFFICE BOX 29535 RALEIGH, NORTH CAROLI- NA 27626-0535 NOTIFICATION OF INTENT TO ISSUE A STATE NPDES PERMIT One the basis of through staff review and application of Arti- cle 21 of Chapter 143. General Statutes of North Carolina, Public Law 92-500 and other lawful standards and regula- tions, the North Carolina Envi- ronmental Management Com- t,,,Inlssion proposes to issue a permit to discharge to the per- sons listed below effective 11/23r98 and subject to special conditions. Persons wishing to comment upon of object to the proposed determinations are invited to submit same in writing to the above address no later than _ 1119198. All Comments re- _ ceived prior to that date will be —considered in the formulation of final determinations regard- ing the proposed permit. A copy of the draft permit is available by writing cr Calling - the Division of Environmental -Management. P.O. Box 29535, Raleigh, North Caroli- na 27626-0535, (919) 733-. 7015. The application and other in- formation may be inspected at these locations during normal --office hours. Copies of the in. formation on file are available upon request and payment of the costs of reproduction. All -such comments or requests -'^regarding a proposed permit should make reference to the NPDES permit number listed below. Date: October 2. 1998 For: A. Preston Howard Jr.. .. RE Director Division of Environmental Management -.Public notice of intent to issue a State NPDES permit to the following: J.NPDES No. NC0020737: City of Kings Mountain. PO _Box 429 Kings Mountain. NC 28086 has applied for a permit renewal for a facility located at the Pilot Creek WWTP, US --Highway 74 Bypass. near Shelby in Cleveland County. The facility discharges 6.0 MGD of treated domestic and industrial wastewater from one River um, and mercury are water quality limited. For some pa- rameters, the available load capacity of the immediate re- ceiving water will be con. sumed. This may affect future water quality based effluent limitations for additionals dis- Chargers within this portion of the watershetl. .2.NPDES No. NCO051918. Cleveland County Sanitary District, P.O. Box 788.. Lawn - dale, NC 28090 has applied for a permit renewal for a facil- ity located at Cleveland County Water Treatment Plant. NCRS 1004 (Casar-Lawndale Road), Lawndale, Cleveland County. The facility is per- mitted to discharge treated wastewater from one oudall in- to Frst Broad River, a Class WS-IV stream in the B dad River Basin. No pawn tere are water caaliry limited but I fts discharge may affect lu- Jure el..rons. 3 NPDES Nn `IC0027197 rvi. Leonard yelton, 1056 Col- lege Avenue. Shelby NC 28150 has applied for a permit of renewal for a facility located at whispenn9 Pines Rest Home, 1056 College Avenue, Shelby, Cleveland County. The facility discharges 0.0025 MGD of treated domestic wastewater from one outfall into Sugar Branch, a Class C stream in the Broad River Ba. sin. No parameters are water quality limited, but this dis- charged may affect future allo. cations. 6.NPDES No. NC0065242 Town of Grover, PO Box 189, Grover, NC 28073 has appplied fora permit renewal for a hacility located at the Grover Wastewater Treatment Plant on NCSR 2235, north of Gm- ver, Cleveland County. The fa- cility discharges 0.100 MGD of treated domestic wastewater from one duffel into an un- named tributary to Buffalo Creek -a.ftw C stream in the Broad River Basirr, •Ahich has a is water quality limited. For some parameters, the available load capacity of the Immediatrec eiving ceiving water will be consumed. Tnis may affect future water quality based ef- fluent limitations for additional dischargers within this portion of the watershed. NC0079740 s Mountain, Is Mountain, applied for located at the T.J. Ellison Water Treatment Plant on Oak Grove Road. West of Kings Mountain, Cleveland County. The facility discharges treated filter backwash water, sludge basin decant, and filtrate water from one outfall into Buffalo Creek, a Class C stream in the Broad River Basin. No parent - stars are water quality limited. but this discharge may affect future allocations. B.NHUES No. N00005061 Jef- f carving water will be•cor au This may affect t� water quality based era limitations for addition al chargers within this panic the watershed. 14'NPDES No. NCOOGe Cleveland County Boarr Education, 866 Poplar Sp: Church Road, Shelby. -28152 has applied for a pc renewal for a facility at C Elementary School on N� 1518, north of Casar, Cleve County. The facility discha 0.0066 MGD treated domestic waste% from one outtall into an named tributary to Croc Run Creek, a Class C art, in the Broad River Basin w has a 7010 How of Oct, air 3002 How of 0 cfe. Ammc 8005 and dissolved oxy are water quality limited. some parameters, available load capacity at immediate receiving water be Consumed. This may at future water quality based fluent limitations for addific dischargers within this par of the watershed. No. NCO066- :NJnN Boar.^. at Bums Hign School on Highway 182 East, west Fallston, Cleveland Cou The facility discharges 0.0 MGD of treated dome wastewater and cooling wr from two Outlets into an named tributary to Ma Creek, a Class C stream in Broad River Basin which he 7010 flow of 0 cfs and a 3C flow of 0 cfs. BODS. ammc: antl dissolved oxygen are.va Quality limited. For ace parameters. the available 1- Capacity of the immedate calving waters will be utiliz and more smngent water at. ity based effluent limitalic may be established for chargers downstream. arson Smurfit, Corporation. PO Box 369 Shelby, NC 16.NPDES No. NC00422 28150 has applied for a site Speciality Lighting, Inc. P on NCRS 1313. northwest of Box 1680. Shelby, Shelby in Cleveland County. 28151-1680 has applied fc: The facility discharges 0.010 permit nerf6wal for a facility MGD of treated domestic and sated at 639 Wasnburn Swu industrial wastewater, and Road Shelby. Cleveia non -contact cooling water from County. The facility discharr-. two outfalls into East Fork 0.01 MGD of treated dome= Beaverdam Creek, a Class C wastewater from stream in the Broad River Ba- oudall. and non -contact coon sin. No parameters are water water from a second our quality limited, but this dis- Into East Fork Beavers: charge may affect future slid- Creek. a Class C stream in . cadons Broad River Basin. BOD. A. mania. Fecal Coliform, PH c 9.NPDES No. NC0066401 residential chlorine are wa: Cleveland County Board of quality limited. For some c Education, 866 Poplar Springs rameters, the available lo: Church Road, Shelby, NC capacity of the immediate 28152 has applied for a permit ceiving water will be consume renewal for a facility located at This may affect futu Crest High School, Cleveland water quality based efflux County. The facility discharges limitations for additional c. 0.0175 MGD. of treated do- chargers within this portion mestic wastewater and cooling the watershed. water from two outfalls into an unnamed tributary to Bea- 1T.NPOES No. NC0032E. verdam Creek a Class-C. ROadslde�Truck. Plaza; Ir: stream in the Broad River Basin-'P.O. Box 846, Kinds Mount7'. Which has a 7010 flow of NC 28086 has applied - 0.68cfs. No parameters are a permit,: renewal for a fac water quality limited. but this located at Roadside Truck F' discharge may affect future al- za. Inc. I-BS and Dixon Schc locations. Road. Kings Mountain. C:e% land County. The facility c: 1 O.NPDES No. NC0066460 charges 0.0145 MGD Cleveland County Board of treated domestic. wastewai- Education, 866 Poplar Springs (Oulfail 001) and 0.005 MG Church Roatl, Shelby, NC of treated water .from 28152 has applied for a permit Ofl/Water Separator (Out!: renewal for a facility located at 002) into Dixon Branch (cue - Crest Middle School. northwest 0011 and Kings Creek (dun: a of Shanghai, Cleveland 002), a Class stream in Ir Courtly The facility discharges Broad River Basin which has 0.020 MGD of treated domestic 7010 flaw of 0.2 cfs. For saw, wastewater and cooling water from twooutfalls into parametert,. the available low caoac4v of the immediate DENR/DWQ FACT SHEET FOR NPDES PERMIT DEVELOPMENT NPDES No. NCO020737 Faci rty liffortn9tiow (1.) rac111ty Name:;i, l;ity of K1ngs mountain, rnot L;reeK W W 1 Y Permitted ow,County: Cleveland Facility ass:., IV (6.) Regiona ice: ooresvl e Facility/Permit, Status: (i.e. New, Modification, Existing or Renewal) RenewalopoQuad: Stream Characteristics ReceivingStream: Buffalo ree Stream assi ication: inter c s u asm: - - c s (4.) Drainage Area (mi ): verage Flow c s Summer c s o ropose tinges Parameters ecte axis or c tinge s tinge monitormg frequency IN an per .0500 regs from monthly to quarterly Updated to newer�version toxicity test language Division policy Removed limits and changed yani e, Chromium, and NICKelReasonable Potential Analysis monitoring from weekly to 2/Month. Wasteload Allocation Sumnigg JMN 7/ 12/93 3 30/94 Facility requested monitoring frequency reduction for chloride, fluoride, copper, and zinc from weekly to monthly. 'IAU concurred with this request, but RO wanted monitoring frequency of 2/month in the permit due to lack of data. Request RO comment on frequency can be changed to monthly now. Request RO comment on removing zinc monitoring. Action Level = 50 µg/l Allowable = 151.5 µg/1 Max predicted = 0.36 µg/l Compliance: No compliance violations in the last two years, except for toxicity tests. DMR's: TRC — all values for 1/98 = <1000 µg/l Instream monitoring - OK Toxicity fails — 7/96, 7/97, 1/98 (NOV sent), 4/98, 5/98 CF Notes / history: 5 9 91 Monthly monitoring of Mercury was granted the facility after they requested it. 10/6/92 Mr. 011is requests variance from 85% removal requirement for TSS 3/10/93 Mike Parker is OK with 70% TSS removal variance; removal should be changed back if influent returns to more typical values. Low influent values are not caused by I&I. 4/1/93 JMN recommends monthly monitoring for Mercury. 10/7/97 Compliance inspection — effluent rated unsatisfactory, discharge was red in color. 10/14/97 NOV/Recommendation of enforcement sent for mercury, lead, nickel, chromium, cyanide, and tox violations', Facility to respond by 10/31. RO: Did the facility respond? Permit should be modified to 4.0 MGD if the facility does not fix aeration basin #3. RO: Is aeration basin #3 back in service? 2/24/98 NOV sent for tox fail 1/98 3/12/98 Facility responded to NOV requesting remission. 3/24/98 Request placed on the Directors agenda for the next enforcement conference. 1 i Averages 1TSS values for January to May 1998 Influent TSS - 76, 74, 77, 90.3, 82.3 mg/l Effluent TSS - 24.9, 20.2, 26.5, 26.6, 23.7 mg/l Medium strength influent = 220 mg/l (Metcalf & Eddy) Will leave the TSS variance in the permit. DENR/DWQ FACT SHEET FOR NPDES PERMIT DEVELOPMENT NPDES No. NCO020737 Receiving Buffalo Creek Index #: 9-53-(5) 8/3/92 C From dam at Kings Mountain Reservoir to NC/SC State line Instrearn nonitorin aci ityF I' — has , 1 emp, Fecal, and conductivity required in permit. They are also monitoring for pH, Cyanide, Mercury, Nickel, and Lead. The facility was told to do this for three months in a letter from Rex Gleason to the City Manager (10/16/97). Request RO comment on whether or not this is still required. Downstream hits (µg/l) 4/14/98 Uyamae = Y. Y 12/22/97 Lead = 30 11/10/97 Lead = 120 11/20/97 Lead = 30 Effluent 1 <2. , =3. , <2.0, <2.0, 4/30=3.0 5 analyses, all <20 4 analyses, all <20 4 analyses, all <20 Reasonable Potential analysis done for Cadmium, Lead, Mercury, Cyanide, Chromium, Nickel, Chloride, Fluoride, Copper, and Zinc. Pro osed Schedule for Permit Issuance ra Permit to Pu 1c Notice: 10 7/98 Permit Scheduled to Issue: 11/23/98 State Contact If you questions on any of the above information or on the attached permit, please contact Mary Cabe at (919) 733-5038, extension 518. Copies of the following are attached to provide further information on the permit development: • Reasonable Potential Analysis (majors only) • Existing permit effluent sheets with changes noted (existing facilities only) • Draft Permit NPDES Recommendation Regional Office Comments `v _ %>Ecg4jC cF 71ler ,—,4;)ai7'/71,4L 1,oADli 7Kt pCA.,; 1, Optc,gIt ;?: Lr T/1c MaN/3.G✓G rREdv�cq l wiPs h�M"bZ `l✓E �Yc c�rr�/c �� J ''i L o v / �ctiirc tic s cal / s Flu -a19 C colVvez i' 01,�c . TNE`Ac•'e:77 -P/ ') ,: �0 77/t N9 ✓ ?)A� �a —i4�� ,4&eAFlo -I BMi 1'r3 /f *- /•✓ sc6U,Ir A-i T1hJTiAE-- Regional Supervisor: tgna ur e: j' Z j8p NPDES Unit: �{ n .• flu u TOXICANT ANALYSIS Facility Name Pilot Creek WWTP Parameter = Cadmium Parameter = Lead Parameter = NPDES # NC0020737 Standard = 2 pg/I Standard = 25 Ng/I Standard = Qw (MGD) 6 7Q10s (cfs) 19 n BDL=1/2DL tual Data RESULTS n DL=1/2D ual Data RESULTS n 1WC (%) 33 5'98 1 1 <2.0 Std Dev. 0.7329625 1 10 <20.0 Std Dev. 7.71 1 Rec'ving Stream Buffalo Creek 2 6 611 Mean 1.125 2 20 20 Mean 12.1 2 Stream Class C 3 1 <2.0 C.V. 0.6515222 3 10 <20.0 C.V. 0.64 3 -1 <2.0 -- - - 4 - - 20 20 -.- 4 FINAL RESULTS 4'98 5 1 <2.0 5 10 <20.0 5 Cadmium LIMIT 6 1 <2.0 Mult Factor 1.8 6 10 <20.0 _ Mult Factor = 1.7 6 Max. Pred Cw 10.80 7 1 <2.0 Max. Value 6 Ng/ 7 10 <20.0 Max. Value 60 Ng/I 7 Allowable Cw 6.06 8 1 <2.0 Max. Pred 10.8 Ng/ _ 8 10 <20.0 Max. Pred Cw 102 Ng/I 8 9 2 2 Allowable 6.1 Ng/ 9 10 <20.0 Allowable Cw 76 pg/I i-9 Lead LIMIT 3'98 10 1 <2.0 10 10 <20.0 10 Max. Pred Cw 102.00 11 1 <2.0 -- - 11 - �12 10 10 <20._0 <20.0 �- -�� - _ i 11 - - 12 Allowable Cw 75.76 12 1 <2.0 131 1 <2.0 13 10 <20.0 13 Mercury LIMIT 2'98 14 1 <2.0 14 15 20 10 20 _ 14 15 Max. Pred Cw 0.20 15 1 <2.0 <20.0 _ _ _ _ Allowable Cw 0.04 16 1 <2.0 16 10 <20.0 _ _ 16_ 17 1 <2.0 17 18 60 60 _ �17 Cyanide OK 1 1'98 18 1 <2.0 _ 10 <20.0 _ _ _ _ 18 Max. Pred Cw 4.50 19 1 <2.0 19 10 <20.0 _ 19 Allowable Cw 15.15 20 1 <2.0 20 10 <20.0 20 21 1 <2.0 _ _ 21 10 <20.0 _ 21 Chromium OK 1 12'97 22 1 <2.0 22 10 <20.0 22 Max. Pred Cw 38.00 23 1 <2.0 23 24 10 <20.0 _ 23 24 Allowable Cw 151.52 24 1 <2.0 _ _ 10 <20.0 25 1 <2.0 _ 25 10 <20.0 25 Nickel OK 1 26 1 <2.0 26 10 <20.0 26 Max. Pred Cw 225.00 1 V97 27 1 <2.0 27 10 <20.0 27 Allowable Cw 266.67 28 1 <2.0 28 10 <20.0 28 29 1 <2.0 29_ 10 <20.0 29 30 1 <2.0 _ 3_0 20 20 30 10'97 31 1 <2.0 _ 31 10 <20.0 31 32 1 <2.0 32 20 20 32 33 1 <2.0 - 33 i34 _ 10 10 <20.0 33 -�- 34 34 1 <2.0 -� <20.0 ��- � -- 35 1 <2.0 35 101 <20.0 35 9'97 36 1 <2.0 36 10 <20.01 36 37 1 <2.0 37 10 10 <20.0 <20.0 37 38 38 1 <2.0 38 39 1 <2.0 39 10 <20.0 39 8-97 40 1 <2.0 40 10 <20.01 40 41 11 <2.01 1 41 10 <20.0 41 7/28/98 TOXICANT ANALYSIS 42, .�..■C®■®43 45, 461 �.�■® . ® .. ...DC DC. 7/28/98 TOXICANT ANALYSIS Mercury Parameter = Cyanide 5 DL=1/2D 1 1 1 Ng/l ctual Dat <2.0 <2.0 <2.0 ESULTS Std Dev. Mean C.V. 0.404 1.083 0.373 Parameter = .Standard = n 1 2 3 Chromium 0.012 Ng/l Standard = 50 Ng/l DL=1/2DI.ctual Dat.RESULTS n DL=1/2D tual Date RESULTS 0.1 <0.20 Std Dev. 0 1 10 <20.0 Std Dev. 8.8726 0.1 <0.20 Mean 0.1 `i - 2 10 <20.0 IMean 12.5 0.1 <0.20 C.V. 0 3 10 20 <20.0 20 jC.V. 0.7098 0.1 <0.20 - - 4 1 1 3 <2.0 <2.0 3 Mult Factor = 1.5 4 5 6 0.1 <0.20 ' ' 5 10 <20.0 0.1 <0.20 Mult Factor = 2.0 6 10 10 <20.0 <20.0 1 Mult Factor = Max. Value 1.9 20 38 0.1 <0.20 Max. Value 0.1 g-ll' =l 7 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 <2.0 <2.0 3 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 Max. Value Max. Pred Cw Allowable Cw _ _ 3 4.5 15.2 ug1l 7 Ng/I 8 Ng/l 9 _ 10 _ 11 12 13 14 15 _ 16 _ 17 18 19 20 21 22 _ 23 _ 24 25 26 27 28 29 30 31 32 0.1 <0.20 Max. Pred Cw 0.2 Ng/il; 8 10 <20.0 Max. Pred Cw Allowable Cw 6. 44 g/I,�� 9 10 <20.0 Allowable Cw 151.5 0.1 <0.20 `' '' 10 10 <2_0.0 0.1 <0.20 ;. ,, 11 10 <20.0 0.1 <0.20 12 40 40 0.1 <0.20 . =` 13 10 <20.0 0.1 <0.20 14 20 20 0.1 <0.20 15 10 <20.0 0.1 <0.20 _ 16 10 <20.0 0.1 <0.20 17 10 <20.0 0.1 <0.20 18 10 <20.0 0.1 <0.20 19 101 <20.0 0.1 <0.20 20 10 <20.0 _ 0.1 <0.20 21 10 <20.0 0.1 <0.20 22 10 <20.0 _ 0.1 <0.20 23 10 <20.0 0.1 <0.20 24 10 <20.0 _ 0.1 <0.20 25 10 <20.0 0.1 <0.20 26 30 30 0.1 <0.20 ;;' ± 27 10 <20.0 0.1 <0.20 �,':;` 28 10 <20.0 29 10 <20.0 0.1 <0.20 30 10 <20.0 0.1 <0.20'' w r.. 31 10 <20.0 ' 32 10 <20.011 `j 33 1 1 1 1 1 1 1 1 1 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 33 34 35 36 37 38 39 401 411 60 60 34 10 <20.0 0.1 <0.20 t. 35 10 <20.0 36 10 <20.0 37 10 <20.0 38 10 <20.0 _ 0.1 <0.20 <; 39 10 <20.0 << 40 10 <20.0 41 10 <20.011 7/28198 TOXICANT ANALYSIS �® _� 4Z "� 47 0 Immillil II 7/28/98 TOXICANT ANALYSIS Paramete Nickel Parameter = Parameter = "Standard = 88 pg/l Standard = pg/I Standard = pgll n DL=1/2D ctual Data RESULTS n DL=1/2D4 ctual Date n DL=1/2D ctual Datal RESULTS 1 60 60 Std Dev. 30.724 1 1 <2 Std Dev. 0.478091 1 1 <2 2 70 70 Mean 69.167 2 1 <2 Mean 1.142857 2 1 <2 3 50 50 C.V. 0.4442 3 1 <2 C.V. 0.41833 3 1 <2 - - 4 - ---_-64 — - —60 - - -- - -- _ -_ 4 - —1 <2 - _-- -- 4 - --1 <2 5 60 60 5 1 <2 5 1 <2 6 150 150 Mult Factor = 1.5 6 1 <2 Mult Factor = 6 1 <2 ug/l 7 110 110 Max. Value 150 Ng/l ' 7 1 <2 Max. Value 3 pg/l 7 1 <2 Ng/l 8 70 70 Max. Pred Cw 225 g/l 8 1 <2 Max. Pred Cw #VALUE] _ pg/l 8 1 <2 Ng/l 9 120 120 Allowable Cw 266.7 g/l; > 9 1 <2 Allowable Cw #REF! Ng/l 9 1 <2 10 70 70 10 1 <2 10 1 _ 11 100 100 11 1 <2_ _ _ _ i 11 1 _<2 <2 12 110 110 12 1 <2 12 1 <2 13 80 80 13 1 <2_ 13 1 <2 _ 14 100 100 14 1 <2 0.41833 14 1 <2 _ 15 80 80 ;, .� 15 3 3 _ 15 1 <2 16 80 80 ;: , 16 1 <2 16 1 <2 17 70 70 _ 17 2 2 17 1 <2 18 501 50 ;; 18 1 <2 _ 18 1 <2 19 80 80 19 1 <2 19 2 2 20 90 90 20 1 <2 20 1 <2 21 60 60 _ 21 1 <2 21 2 2 22 60 60 ,- :, ; 22 22 2 2 23 110 110 23 23 3 3 24 100 100 _� 24 24 3 _ 3 t 25 100 100 25 _ 25 7 7 26 40 40 26 26 1 <2 27 60 60 27 27 1 <2 28 140 140 28 28 1 <2 29 10 <20 29 29 3 3 _ 30 90 90 30 30 1 <2 31 70 70 31 _ _ 31 2 f 2 32 60 60 32 32 1 <2 33 70 70 33 33 4 4 34 10 <20 _ 34 _ _ 34 _ 2 _ 2 35 40 40 35 35 3 3 36 70 70 36 36 2 2 37 70 70 37 _. 37 38 60 60 38 _ 38 39 40 40 39 :, 39 401 501 50 1t::.. 40 40 411 401 40 1 41 41 7128/98 TOXICANT ANALYSIS 42 42 44 46 52�mE 52 5-3- 54, mm 53 -5­6� 5611mml 581 591 60 63 7/28/98 TOXICANT ANALYSIS Facility Name Pilot Creek WWTP Parameter = Copper AL Parameter = Zinc AL Parameter = NPDES # NCO020737 Standard = 7 pg/l Standard = 50 pg/1 Standard = Qw (MGD) 6 7Q10s (cfs) 19 n BDL=1/2DL tual Data RESULTS n DL=1/2D ual Data RESULTS n /WC (%) 33 5'98 1 10 <20.0 Std Dev. 7.2224997 1 0.103 0.103 Std Dev. 0.05 1 Rec'ving Stream Buffalo Creek 2 10 <20.0 Mean 19.545455 2 0.097 0.097 Mean 0.14 2 Stream Class C 4'98 3 20 20 C.V. 0.3695232 30.165 _ 0.165 C.V. 0.34 3 - -_--- _-_ - _ -_ 4 -, -10 _ <20.0 - _- -- - - 4 --- 0.122 0.-122 _ ---4 FINAL RESULTS 3'98 5 10 <20.0 5 0.153 0.153 5 Copper LIMIT 6 20 2011 Mult Factoj 1.7 6 0.157 0.157 Mult Factor = 1.5 6 Max. Pred Cw 51.00 298 7 20 20 Max. Value 30 pg/ 7 0.116 0.116 Max. Value 0.24 pg/l 7 Allowable Cw 21.21 8 20 20 Max. Pred _ 51 pg/ ^ 8 0.11 0.11 Max. Pred Cw 0.36 pg/I 8 1'98 9 20 20 Allowable C 21.2 pg/ 9 0.13 0.13 Allowable Cw 152 pg/l 9 Zinc OK l 10 10 <20.0 10 0.113_ 0.113 10 Max. Pred Cw 0.36 15- 52 12'9 11 20 20 20 11 12 _ 6.231 0.132 0.231 0.132 11 12 Allowable Cw 12 20 11'9 13 10 <20.0 13 0.237 0.237 13 Chloride LIMIT 14 20 20 14 0.231 0.23 14 Max. Pred Cw 2160.60 10'97 15 20 20 _ 15 0.087 0.087 15 Allowable Cw 696.97 16 30 30 _ 16 0.08 0.08 16 9'97 17 30 30 17 _ 0.155 0.155 _ 17 Fluoride OK l 18 20 20 18 0.099 0.099 18 Max. Pred Cw 3.52 8'97 19 20 20 19 0.1 0.1 19 Allowable Cw 5.45 20 30 30 --- -- 20 - 21 0.13 - - 0.16 0.13 0.16 _20 +---- 21 T97 21 30 30 - �-- - 22 30 30 _------- 22 0.1 0.1 22 7/29/98 TOXICANT ANALYSIS Chloride = Fluoride 1.8 DL=1/2D 0.93 0.82 0.84 0.94 0.8 0.9 0.9 0.9 0.8 0.7 1.7 1.3 2.2 1.8 mg/l ctual Dat 0.93 0.82 0.84 RESULTS Std Dev. Mean C.V. 0.379 1.07 0.355 230 mg/l AL JTParameter tandard = DL=1/2D tual Dat.RESULTS F'.; n 1292 1292 Std Dev. 218.4209 j 1 1100 1100 Mean 1237.636 - 2 1179 1179 C.V. 0.176482 3 1662 1662 4 0.94 0.8 0.9 0.9 0.9 0.8 0.7 1.7 1.3 2.2 1.8 Mult Factor = Max. Value Max. Pred Cw Allowable Cw 1.6 v 2.2 3.52 5.5 _ pg/l fag/l Ng/l 1084 1084 5 1639 1639 Mult Factor = 1.3 6 1436 1436 Max. Value 1662 g/l:' r, 7 1495 1495 Max. Pred Cw 2160.6 Ng/L'- 8 1340 1340 Allowable Cw 697 pg/l �, -' 9 1149 1149 10 819 819 11 964 964 12 1149 1149 ' -' 13 957 957 ti::' 14 1254 1254 ' ` 15 1.2 0.9 1.2 0.9 0.9 1.2 0.9 1.2 0.9 0.9 _ _ 1005 1005 _ , . 16 1148 1370 1148 1370 T;s 17 18 1330 1330- ., 19 1196 1196 20 0.8 0.8 1182 1182 21 1.2 0.9 1.2 0.9 1478 1478 22 7/29/98 A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (April 1 - October 31) Permit No. NCO020737 During the period on the effective date of the permit and lasting until expiration, the Pennitlee is authorized to discharge from outfall(s) serial number 001. Such discharges shall be limited and monitored by the permittee as specified below: Flow BOD, 5 Day, 20 °C" Total Suspended Residue" NH3 as N Dissolved Oxygen"" Fecal Coliform (geometric mean) Total Residual Chlorine Temperature Total Nitrogen (NO2+NO3+TKN) Total Phosphorus Chronic Toxicity' Monthly Avg. 6.0 MGD 28.0 mg/I 30.0 mg/1 6.0 mg/I 200.0 /10o ml Weekly Avg. 42.0 mg/I 45.0 mg/I 400.0 /100 ml Monitoring Requirements Measurement Sample Daily Max Frequency Type Continuous Recording Daily Composite Daily Composite Daily Composite Daily Grab Daily Grab 28.0 µg/I Daily Grab Daily Grab Monthly Q *r �� Composite Monthly Composite Quarterly Composite 'Sample Location IorE E E E E E E E *Sample locations: E - Effluent, I - Influent, U - Upstream 100 yards above outfall, D - Downstream at NCSR 1103, Upstream and downstream samples shall be grab samples. Stream samples shall be collected three times per week during June, July, August, and September and once per week during the remaining months of the year. **The monthly average effluent BOD5 residue concentrations shall not exceed 15 % of the respective influent value (85 % removal). The monthly average effluent TSS residue concentration shall not exceed 30% of the respective influent value (76% removal). A! — c -70 7 �^ ***See Part III, Condition F, Chronic Toxicity (Ceriodapnia) P/F at 33%; January, April, July, and October **** The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/1. ***** See Part III, Condition G. ru.l-d M-2�� � d -b —fiF I �r The pH shall not be less that 6.0 standard units nor greater than 9.0 standard units and shall be monitored daily at the effluent by grab sample. There shall be no discharge of floating solids or visible foam in other than trace amounts. ti .. r Continued A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (April 1 - October 31) Permit No. NCO020737 During the period on the effective date of the permit and lasting until expiration, the Perini ttce is authorized to discharge from outfall(s) serial number 001. (Continued) Effluent Characteristics Discharge Limitations Monitoring Requirements Units (specify) Measurement Sample *Sample Monthly Avg. Weekly Ava. Daily Max Frequency Type Location Conductivity Grab U, D Cadmium 6.10 ug/I Weekly Composite E Lead 76.0 ug/I Weekly Composite E Mercury""' 0.04 ug/I Monthly_ Composite E , Cyanide 15.0 ug/I Weekly 27 Kynrl Grab E Chromium 152.0 u /I g '/ Weekly `� �^� Composite E Nickel _267.0 ug/1 -eekly Composite E Zinc 2/Month Composite E Chloride 2/Month Composite E Fluoride 2/Month Composite E Copper 2/Month Composite E Temperature 3/Week Grab U,D Fecal Coliform (geometric mean) 3/Week Grab U,D Dissolved Oxygen 3/Week Grab 1.1,13 0 A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November 1 - March 31) Permit No. NCO020737 During the period on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from outfall(s) serial number 001. Such discharges shall be limited and monitored by the permittee as specified below: Effluent Characteristics Discharae Limitations Monitorina Requlrements Measurement Sample *Sample Monthly Avg. Weekly Avg. Daily Max Frequency Type Location Flow 6.0 MGD Continuous Recording i or E BOD, 5 Day, 20 °C" 30.0 mg/I 45.0 mg/I Daily Composite E,l Total Suspended Residue" 30.0 mg/I 45.0 mg/I Daily Composite E, I NH3 as N Daily Composite E Dissolved Oxygen**** Daily Grab E Fecal Coliform (geometric mean) 200.0 /100 ml 400.0 /100 ml Daily Grab E Total Residual Chlorine \ 28.0 µg/I Daily Grab E Temperature /',4\(J -tD Daily Grab E Total Nitrogen (NO2+NO3+TKN) Monthly Composite E Total Phosphorus Monthly Composite E i Chronic Toxicity*** D ^ d ( Quarterly Composite E *Sample locations: E - Effluent, I - Influent, U - Upstream 100 yards above outfall, D - Downstream at NCSR 1103, Upstream and downstream samples shall be grab samples. 'Stream samples shall be collected three times per week during June, July, August, and September and once per week during the remaining months of the year. **The monthly average effluent BOD5 residue concentrations shall not exceed 15 % of the respective influent value (85 % removal). The monthly average effluent TSS residue concentration shall not exceed 30% of the respective influent value (75% removal). ***See Part III, Condition F, Chronic Toxicity (Ceriodaphnia) P/F at 33%, January, April, July, and October **** The daily dissolved oxygen effluent concentration shall not be less than 5.0 mg/1. ***** See Part III, Condition G. The pH shall not be less that 6.0 standard units nor greater than 9.0 standard units and shall be monitored daily at the effluent by grab sample. There shall be no discharge of floating solids or visible foam in other than trace amounts. Continued A. (). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November 1- March 31) Permit No. NCO020737 ' During the period on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from outfall(s) serial number 001. (Continued) Effluent Characteristics Discharge Limitations Monitoring„ Requirements Units (specify,) Measurement Samele, *Sample Monthly Avg. Weekly Avg. Daily Max Frequency Type Location Conductivity Grab U, D Cadmium 6.10 ug/l Weekly Composite E Lead - 76.0 ug/I Weekly Composite E Cyanide 15.0 ug/l Weekly Grab E Mercury***** 0.04 u g/I Monthly Composite E Chromium 152.0 ug/l Weekly Composite E Nickel 267.0 ug/l Weekly Composite E Zinc 2/Month Composite E Chloride 2/Month Composite E Fluoride 2/Month Composite E Copper 2/Month Composite E Temperature 3/Week Grab U,D Fecal Coliform (geometric mean) 3/Week Grab U,D Dissolved Oxygen 3/Week Grab U,D Part III Permit No. NC0020737 gj17 �,� S�i dlwo i Q n G. The effluent discharge shall at no time exhibit chronic toxici y two consecuti toxicity tests, using test procedures outlined in: ►� )1,� c� ro 1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic D ; 4 Bioassay Procedure -Revised *June 1988) or subsequent versions. ; The effluent concentration at which there may be no observable inhibition of reproduction or significant mortality is 33% (defined as treatment two in the North Carolina procedure document). The permit holder shall perform quarterly monitoring using this procedure to establish compliance with the permit condition. The first test will be performed after thirty days from issuance of this permit during the months of January, April, July, and October. Effluent sampling for this testing shall be performed at the NPDES permitted final effluent discharge below all treatment processes. All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter code TGP3B. Additionally, DEM Form AT-1 (original) is to be sent to the following address: Attention: Environmental Sciences Branch North Carolina Division of Environmental Management P.O. Box 27687 Raleigh, N.C. 27611 Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in association with the toxicity tests, as well as all dose/response data. Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for disinfection of the waste stream. Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly monitoring will begin immediately until such time that a single test is passed. Upon passing, this monthly test requirement will revert to quarterly in the months specified above. Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Environmental Management indicate potential impacts to the receiving stream, this permit may be reopened and modified to include alternate monitoring requirements or limits. NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism survival and appropriate environmental controls, shall constitute an invalid test and will require immediate retesting (within 30 days of initial monitoring event). Failure to submit suitable test results will constitute noncompliance with monitoring requirements. Upc'f-4 i r�'W do uoeNM H. Mercury Detection Condition If the measurement of this param r js below detection limits, the quantity for the purposes of compliance evaluation is considere to be zero. The detection limit for this parameter shall be considered 0.2 ug/l. It should be rep ed on the D IMR to be <0.2 ug/l. to old �� ell ISSUE: Total Residual Chlorine Limit RESPONSE: In accordance with Division policy, all expanding dischargers are required to meet, at a minimum, a total residual chlorine limit of 28.0 ug/1, this requirement therefore cannot be deleted from the permit ISSUE: Monitoring Requirements for Zinc, Chloride, Fluoride and Copper. RESPONSE: The Division agrees to reduce the monitoring of these constituents to 2/month, this frequency is in agreement with current DEM policy regarding metals, toxics and organics monitoring. ISSUE: Deletion of the Monitoring Requirement for Silver. RESPONSE: Given King Mountain's past history of silver monitoring and it's current Long Term Monitoring Plan, the Division agrees to remove silver monitoring from the permit. SOC PRIORITY PROJECT: Yes—NoX If Yes, SOC No. To: Permits and Engineering Unit Water Quality Section Attention: Mary Cabe Date: August 28, 1998 NPDES STAFF REPORT AND RECOMMENDATION County: Cleveland a.w cn Permit No. NCO020737 —Pi PART I - GENERAL INFORMATION 1. Facility and Address: Pilot Creek WWTP �? _ City of Kings Mountain Post Office Box 429 Kings Mountain, NC 28086 2. Date of Investigation: August 12, 1998 Report Prepared By: Samar Bou-Ghazale, Env. Engineer I 4. Persons Contacted and Telephone Number: Ms. Kim Moss, ORC; 704/739-7131 Directions to Site: From the intersection of Highway 216 (Piedmont Avenue) and US Highway 74 in Kings Mountain, travel west on Highway 74 approximately 6.7 miles to the junction with Potts Creek Road. The WWTP is located at the end of Potts Creek Road. 6. Discharge Point(s). List for all discharge points: Latitude: 35°15'35" Longitude: 81°27'26" Attach a U.S.G.S. map extract and indicate treatment facility site and discharge point on map. U.S.G''fS. Quad No.: F 13 SW U.S.G.S. Name: Waco, NC 7. Site size and expansion are consistent with application? Yes —No— If No, explain: N/A 8. Topography (relationship to flood plain included): Sloping towards Potts Creek at the rate of 3 to 5%; the WWTP is not in a flood plain. 9. Location of nearest dwelling: None within 500 feet. 10. Receiving stream or affected surface waters: Buffalo Creek. a. Classification: C b. River Basin and Subbasin No.: Broad; 030805 C. Describe receiving stream features and pertinent downstream uses: The discharge point is located at the junction of Muddy Fork and Buffalo Creek approximately 1.2 miles below Kings Mountain Reservoir. Downstream users are unknown. PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1. a. Volume of wastewater to be permitted: 6.0 MGD (Ultimate Design Capacity) b. What is the current permitted capacity of the wastewater treatment facility? 6.0 MGD C. Actual treatment capacity of the current facility (current design capacity)? 6.0 MGD d. Date(s) and construction activities allowed by previous Authorizations to Construct issued in the previous two years: N/A e. Please provide a description of existing or substantially constructed wastewater treatment facilities: The existing WWT facility is a 6.00 MGD extended aeration wastewater treatment plant consisting of dual screw pumps, bar screen, parshall flume with recorder, flow diversion, four (4) aeration basins with mechanical aerators and mixers, four (4) secondary clarifiers, four (4) chlorine contact basins, effluent measuring device at each chlorine basin discharge and a totalizer/recorder for the combined effluent, dechlorination unit (sulfur Dioxide), two (2)aerobic digestors, two (2) sludge drying beds, and a belt press for dewatering waste sludge. f. Please provide a description of proposed wastewater treatment facilities: N/A g. Possible toxic impacts to surface waters: CN, Cd, Cr, Pb, Ni and Hg. h. Pretreatment Program (POTWs only): 2. Residuals handling and utilization/disposal scheme: In development: approved: X should be required: not needed: a. If residuals are being land applied, please specify DWQ Permit No.: WQ0012760 Residuals Contractor: Southern Soil Builders Telephone No.:1-800-411-5527 b. Residuals stabilization: PSRP: X RERP: Other: c. it Landfill: d. Other disposal/utilization scheme (Specify): N/A 3. Treatment plant classification (attach completed rating sheet): Class IV, see attached rating' sheet. 4. SIC Code(s): 4952 Wastewater Code(s) Primary: 55, 01 Secondary: 58, 36 Main Treatment Unit Code: 05002 PART III - OTHER PERTINENT INFORMATION 1. Is this facility being constructed with Construction Grant Funds or are any public monies involved (municipals only)? N/A 2. Special monitoring or limitations (including toxicity) requests: N/A 3. Important SOC, JOC or Compliance Schedule dates: (please indicate) N/A 4. Alternative Analysis Evaluation: Has the facility evaluated all of the non -discharge options available. Please provide regional perspective for each option evaluated. N/A. 5. Air Quality and/or Groundwater concerns or hazardous materials utilized at this facility that may impact water quality, air quality, or groundwater: No AQ or GW concerns nor are hazardous materials utilized at this facility. 6. Othe Special Items: PART IV - EVALUATION AND RECOMMENDATIONS The Town of Kings Mountain is requesting permit renewal. Also, the Town is requesting that the Mercury limits be changed from 0.04 ug/1 to 0.4 ug/1, and the month of April be included in the summer effluent limits and monitoring requirements instead of being in the winter. The proposed modification request needs to be addressed; however, we see no reason to allow the modifications. Upon resolution of the subject modifications requests, it is recommended that the permit be renewed. Signature Water Qualitygegional Supervisor Y12 0V Date Mifi 0Z Course I' - tj 1 LAv-- ■■AA - a Tra der' / •. _ N.•w Q mP Ci k�, PaI(.' NORMAL POOL CLEVATION 796 Lh .. / 1 I � y .� VAT II Filh47Pl3nl 7 - OCA - � / I l _� - • .i 1 � /�1 l \ \ } �- � � / . J _ o tom_ . -a< O r // �---- - _- ' I I J l - - „ mi (6R0 VE RI c5A 1 �b00JC BEET +57 'Sd 2780" 459 tit Nw SCALE 1:24000 )y the Geological Survey ? * IcaO 2000 3000 .1000 _ MN f000 0 _--- thuds from aerial photographs c.+ - is: North Carolina CONTOUR INTERVAL 20 FEE d3 �IALs NATIONAL GEODETIC VERTICAL DATUM gal conic) ' ercator grid ticks. It RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS Name of Facility: KIA(aS N04W7�'Al PL61 ww'7/ Owner or Contact Person: 46z WA ZZ5C r'_ o Llr s Mailing Address: k�ox 4�q ,f✓ZWe., A-ftAl.. N. C. z 96 �s 6 County:6&&144U2 Telephone: D - 3 Present Classification: New Facility Existing Facility NPDES Per. No. NC00_�e?3� Nondisc. Per. No.WQ Health Dept.Per No. Rated by:, SaM Ate.. `BoV - G EAR ArLR Telephone: 76 4=: ,Mjq Date: 9 _/Z-9 ` Reviewed by: Health Dept. Telephone: Regional Office Telephone: Central Office Telephone: ORC: /`fS Grade: Telephone: s Check Classification(s): Subsurface Spray Irrigatiq Land Application Wastewater Classification: (Circle One) I II III IV Total Points: SUBSURFACE CLASSIFICATION (check all 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: a. 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 trapAnterceptor S. 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. 4 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, !ems the flow is of a significant quantity 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 Filter Systems consisting only of septic tanks, dosing apparatus, pumps,sand filters, disinfection and direct discharge; 3. Lagoon 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 oil/water separators, pumps, air -stripping, carbon adsorption, disinfection and disposrJ; 6. Aquacufture operations with discharge to surface waters; 7. Water Plant sludge handling and back -wash water treatment; 8. Seafood processing consisting of screening and disposal. 9. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permitted after July 1, 1993 or N 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) REM POINTS (1) Industrial Pretreatment Units or Industrial Pretreatment Program (see definition No. 33)................................................. 4� (2) DESIGN FLOW OF PLANT IN gpd [not applicable to non-contaminated.cooling waters, sludge handling facilities for water purification plants, totally closed cycle systems(see definition No. 11), and facilities consisting only of hem (4)(d) or Items (4)(d) and (11)(d)] 0 - 20,000................................................................................................................................................1 20.001 - 50,000......................................................................................................................................2 50.001 - 100.000.............................................................................................................................3 100.001 - 250.000..................................................................................................................................A 250.001 500.000..................................................................................................................................5 500.001 - 1,000.000................................................................................................................................8 1.000.001 - 2.000.000. ... ........ ............... ................. ...... ................... ........10 ... ... . ... . ... .... ..... .... ................... 2.000.001 (and up) rate 1 point additional for each 200.000 gpd capacity up to a maximum of ............ Design Flow (gpd) (3) PRELIMINARY UNITSJPROCESSES (see definition No.32) 3��0 (a) BarSc►eens...........................................................................................................................................'�J or (b) Mechanical Screens, Static Screens or Comminuting Devices..........................................................................2 (c) Grit Removal..............................................................................................................................................1 or (d) Mechanical or Aerated Grit Removal.............................................................................................................2 (e) Flow Measuring Device................................................................................................................................1 (f) or Instrumented Flow Measurement..............................................................................................................� (9) Preaeratlon..............................................................................................................................................2 (h) influent Flow Equalization .......................................................................................................................2 (i) Grease or Oil Separators - Gravity.................................................................................................................2 Mechanical................................................................................................................................................3 DissolvedAir Flotation................................................................................................................................8 (1 i Prechlorinatlon.........................................................................................................................................5 (4) PRMARYTREATMENiT UNI TSIPROCESSES (a) Septic Tank (see definition No. 43)...................................................................................................... .2 (b) Imhoff Tank..............................................................................................................................................5 (c) Primary Clarfflers.........................................................................................................................................5 (d) Settling Ponds or Settling Tanks for Inorganic Non -toxic Materials (sludge handling facilities for water purification phias. sand. gravel. stone. and other mining operations except recreational activities such as gem orgold mining)........................................................................................................................................2 (5) SECONDARY TREATMENT UYfTS/PROCESSES (a) Carbonaceous Stage (i) Aeration -High Purity Oxygen System..............................................................................20 DiffusedAir System.......................................................................................................10 Mechanical Air System (fixed, floating or rotor)............................................................... SeparateSludge Reiteration............................................................................................ Trickling Filter HighRate......................................................................................................................7 StandardRate...............................................................................................................5 Packed Tower..............................................................................5 .................................. (iti) Biological Aerated Filter or Aerated Biological Filter ............................................................10 (iv) Aerated Lagoons..........................................................................................................10 (v) Rotating Biological Contactors. .............................................................................10 (VI) Sand Filters -intermittent biological..................................................................................2 Recirculatingbiological.....................................................................................................3 (vil) Stabilization Lagoons.................................................................................................... (vill) clam"......................................................................................................................... (ix) Single stage system for combined carbonaceous removal of BOD and nitrogenous removal b nitriiication (see definition No. 12)(Points for thls hem have to be In addition to items ` (5)(a)(1) through (5)(a)(vili). utilizing the extended aeration process (see d6flnhlon No.3a)...........................................2 utilizing other than the extended aeration process............................................................a 1` (x) Nutrient additions to enhance BOD removal......................................................................5 (XI) Biological Culture ('Super Bugs•)addhion........................................................................5 (b) Nitrogenous Stage (1} Aeration - High Purity Oxygen System............................................................................20 DiffusedAir System.......................................................................................................10 Mechanical Air System (fixed. floating or rotor) .......... ........ ,.............................................. 8 SeparateSludge Reaeration.............................................................................................3 (Ii) Trickling Filter -High Rate...................................................................................................7 StandardRate................................................................................................................6 PackedTower.................................................................................................................6 (ttl) Biological Aerated Filter or Aerated Biological Filter .............................................................10 (Iv) Rotating Biological Contactors......................................................................................10 (v) Sand Filter - intermittent blological...................................................................................2 Recirculating biological.....................................................................................................3 (VI) Ciaririsr.......................................................................................................................... 5 (6) TERTIARY OR ADVANCED TREATMENT U ITSIPROCESSES (a) Activated Carbon Beds - without carbon regeneration....................................................................................................5 withcarbon regeneration.......................................................................................................15 (b) Powdered or Granular Activated Carbon Feed - withoutcarbon regeneration..................................................................................................5 withcarbon regeneration.....................................................................................................15 (c) Air stripping.............................................................................................................................................5 (d) Denhrification Process..............................................................................................................................10 (0) Electrodlalysis.............................................................................................................................................6 (f) Foam Separation.......................................................................................................................................5 (9) Ion Exchange............................................................................................................................................5 (h) Land Application of Treated Efftuent (see definition No. 22b) (not applicable for sand. gravel. stone and other similar mining operations) by high rate Infiltration ........... ..... .... ......... ».................... ... .............. A (1) Microscreens.............................................................................................................................................5 (]) Phosphorous Removal by Biological Processes (See definition No. 26)........................................................20 (k) Polishing Ponds - without aeration............................................................................................................2 withaeration..................................................................................................................5 (I) Post Aeration - cascade..............................................................................................................................0 ' diffused or mechanical........................................................................................................2 (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 .............................................. i s (7) SLUDGETREATMENT (a) Sludge Digestion Tank - Heated (anaerobic)...............................................................................................10 Aerobic........................................................................................................................................Q Unheated(anaerobic)................................................................................................. ............................3 (b) Sludge Stabilization (chemical or thermal)...................................................................................................5 (c) Sludge Drying Beds - Gravity......................................................................................................................2 ji Vacuum Assisted......................................................................................................................................5 (d) Sludge Elutrlatlon.....................................................................................................................................5 (0) Sludge Conditioner (chemical or thermal).....................................................................................................5 f) �g) Sludge Thickener (gravity).......................................................5 Dissolved Air Flotation Unit (not applicable to a unit rated as (3)(i))............................................................8 h) I) Sludge Gas Utilization (including gas storage).............................................................................................2 Sludge Holding Tank - Aerated....................................................................................................................5 Non -aerated ............................. ........................................................................................... ... 2 (j) Sludge Incinerator (not including activated carbon regeneration)............................................................. .10 ,(k) Vacuum Fifter, Centrifuge, or Flfter Press or other similar dewatering devices................................................i: (8) RESIDUALS UTILIZATION/DISPOSAL (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 jor landfill permit........................................................................................................................................2 (c) Dedicated Landfill(budal) by the permittee of the wastewater treatment facility...............................................5 (9) DISINFECTiON (a) (b) Chlorination...........................................................................................................................................AT Dechlodnation..................................................................................................................:..................... ICW (c) Ozone......................................................................................................................................................5 (d) Radiation.................................................................................................................................................5 (10) CHEMICAL ADDITION SYSTEM(S) ( see definition No. 9) (not applicable to chemical additions rated as item (3)(1). (5)(a)(xf), (6)(a). (6)(b). (7)(b). (7)(e). (9a), (9)(b) or (9)(c) 5 points each: i List 5 ....................................................................................................................................... ....................................................................................................................................5 .....................................................................................................................................5 (1 1) ......................................................................................................................................5 MISCELLANEOUS UNfTS/PROCESSES (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 fordomestic wastewater...........................................................................................................................A (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...................................................................................................................................................a (e) Stand -By Power Supply.........................................................................................................................AW (1) Thermal Pollution Control Device.................................................................................................................3 TOTALPOINTS.......................................................................... CLASSIMCATION Classi...........................................................................................................5.25 Points Class11.........................................................................................................26-50 Points classin........................................................................................................61.65 Points ClassIV.......................................................................................................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 II. Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class III. D004 DEFINITIONS The following definitions shall apply throughout this Subchapter. (1) Activated Carbon Beds. A physicaVchemical method for reducing soluble organic material from wastewater effluent; The column -type beds used In this method will have a flow 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 9xygen on a flow -through basis; (3) Aeration. A process of bringing about Intimate contact between air or high purity oxygen In a liquid by spraying, agitation or dlffusion;(3a) Extended Aeration. An activated'studge process utilizing a minimum hydraulic detention time of 18 hours. (4) Agriculturally managed site. Any site 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 different denstilas; (9) Chemical Addition Systems- The addition of chemical(s) to wastewater at an application point for purposes of improving solids removal, pH adjustment, alkalinity control, etc.; the capability to experiment with different chemicals and different application points to achieve a specific result will be considered one system; the capability to add chemicals) 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 facilities or any other appurtenances: (12) Combined Removal of Carbonaceous BOD and Nitrogenous Removal by Nitrification- A single stage system required to achieve pemtft offluent.limits an BOD and ammonia nitrogen within the same biological reactor, (13) Dechlodnation. The partial or complete reduction of residual chlorine In a liquid by any chemical or physical process; (14) Derthriflcation Process. The conversion of nhrate-nitrogen to nitrogen gas; (15) Electrodialysls. Process for removing Ionized saps from water through the use of ton -selective Ion -exchange membranes; (16) Filter Press. A process operated mechanically for partially dewatering sludge; (17) Foam Separation. The planned frothing of wastewater or wastewater effluent as a means of removing excessive amounts of detergent materials through the introduction of air In the form of fine bubbles, also called foam fractionation; (18) Grit 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 sedimentation 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 In (11) of this Rule]; (b) Treated Effluent. The process of spraying treated wastewater onto a land area or other methods of application of wastewater onto a land area as a means of final disposal or treatment; (23) Microscreen. A low speed, continuously back -washed, rotating drum filter operating under gravity conditions as a polishing method for removing suspended solids from effluent; (24) Nitrification Process. The biochemical conversion of unoxidized nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually nitrate); (25) Nitrogenous Stage. A separate stage of wastewater treatment designed for the specific purpose of converting ammonia nitrogen to nitrate nitrogen; (26) Phosphate Removal, Biological. The removal of phosphorus from wastewater by an oxic/anoxic process designed to enhance luxury uptake of phosphorus by the microorganisms; (27) Polishing Pond. A holding pond following secondary treatment with sufficient detention time to allow settling of finely suspended solids; (28) Post Aeration. Aeration following conventional secondary treatment units 10 Increase effluent D.O. or for any other purpose; (29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen is added to the effluent by a nonmechanical. gravity means of flowing down a series of steps or weirs; The flow occurring across the steps 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 Food. A biophysical carbon process that utilizes biological activity and organic absorption by using powdered or granular activated carbon; Virgin or regenerated carbon Is feed 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 discharge. 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 State or EPA required program to receive points on the rating sheet; (34) Primary Clarifiers. The first settling tanks through which wastewater Is passed in a treatment works for the purpose of removing settleable and suspended solids and BOD which Is associated with the solids; (35) Pumps. All 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 forting 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 partially submerged circular surfaces are rotated; (39) Sand Filters: (a) Intermittent Biological. Filtration of effluent following septic tanks, lagoons, or some other treatment process in which further biodecomposltlon is expected to produce desired effluents; Hydraulic loading rates on these filters are computed In gpd/ac and have a resulting low gpnVsf (less than one); b) Recirculating biological - the same type of sand filter as defined in Subparagraph (39) (a) of this Rule with the added capability to recycle effluent back through the sand filter. (40) Sand or Mixed -Media Fitters. A polishing process by which effluent limits are achieved through a further reduction of suspended solids; (a) low rate -- gravity, hydraulically loaded filter with loading rates In the one to three gpm/sf range; (b) high rate -- a pressure, hydraulically loaded filter with loading rates in the five gpm/sf range; At any rate. the loading rate will exceed three gpnVsf; (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 Reaeration. A part of the contact stabilization process where the activated sludge Is transferred to a tank and aerated before returning it to the contact basin; (43) Septic Tank. A single -story settling tank In which settled 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 converted Into more stable organic matter through the activity of living organisms. which Includes aerated holding tanks; (45) Sludge Drying Beds. An area comprising natural or artificial layers of porous materials upon which digested sewage sludge Is dried by drainage and evaporation; (46) Sludge Elutriatlon. A process of sludge conddloning in which certain constituents are removed by successive washings with fresh water or plant effluent; (47) Sludge Gas Utilization. The process of using sewage gas for the purpose of heating buildings, driving engines. etc.; (48) Sludge Holding Tank (Aerated and Nonaerated). A tank utilized for small wastewater treatment plants not containing 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 amount of air simply to keep the sludge fresh, but not 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 (several days of detention) without resulting odor problems; (49) Sludge Incinerators. A furnace designed to bum sludge and to remove all moisture and combusilble 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; I (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) Stand -By Power Supply. On she or portable electrical generating equipment; / (54) Static Screens. A stationary screen designed to remove solids. including non -biodegradable particulate (Heatable solids, suspended solids and BOD { reduction) from municipal and Industrial wastewater treatment systems; (55) Tertiary Treatment. A. stage of treatment following secondary which is primarily for the purpose of effluent polishing; A settling lagoon or sand or coal filter might be employed for this purpose; (56) Thermal Pollution Control Device. A device providing for the transfer of heat from a fluid flowing In tubes to another fluid outside the tubes. or vice versa; or other means of regulating liquid temperatures; f (57) Thermal Sludge Conditioner. A conditioning process by which heat Is added for a protracted period of time to Improve the dewaterablilty of sludge by the solubilizing and hydraulizing of the smaller and more highly hydrated sludge particles; (58) Toxic Materials. Those wastes or combinations of wastes. Including disease -causing agents which after discharge and upon exposure. Ingestion. Inhalation or assimilation Into arty organism. either directly from the environment or indirectly by Ingestion through food chains. will cause death. disease, behavioral abnormalities. cancer. genetic mutations. physiological malfunctions (including malfunctions in reproduction) or physical deformations. In such organisms or their/ offspring; Toxic materials Include, by way of Illustration and not limitation: lead. cadmium. chromium, mercury. vanadium, arsenic. zinc, ortho-nitro-chlorobenzene (ONCB). polychlorinated blphenyfs (PCBs) and dichlorodiphenyl trichloroethane (DDT); and any other materials that have or may hereafter be determined to have toxic properties; (59) Trickling Fitter. A biological treatmerd 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 rate trickling filter Is one which is designed to operate at one to four mgd per acre; (60) Trickling Filter (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 biological fixed growth In each successive layer. This method may produce 'seoondarr quality effluent. or may be adapted to produce a Ntrffled effluent; (61) Vacuum Filter. Centrifuges. or Filter Presses. Devices which are designed to remove excess water from either digested or undigested sludge prior to disposal or further treatment. LONG TERM MONITORING PLAN REQUEST FORM FACILITY: City of Kings Mountain VWUTP NPDES NO.: ii NCO020737 EXPIRATION DATE: 12/31/98 �I REGION: it MRO P&E REQUESTO Mary Cabe I I PRETREATMENT CONTA ? DATE OF REQUEST: 7/14/98 �I INDICATE THE STATUS OF PRETREATMENT PROGRAM: 1) THE FACILITY HAS NO SIU'S AND SHOULD NOT HAVE PRETREATMENT LANGUAGE. I� 2) THE FACILITY HAS OR IS DEVELOPING A PREATREATMENT PROGRAM. 3 ADDITIONAL CONDITIONS REGARDING THE PRETREATMENT PROGRAM ATTACHED. JI Facility has a Full program; 10 SIU's and 4 CIU's PERMITTED FLOW: 6.0 MGD SIU contributions 4.60 MGD % INDUSTRIAL 77.0% % DOMESTIC 23.0% NOTE: This facility monitors for Cadmium, Lead, Cyanide, Chromium, and Nickel weekly; Mercury on a Monthly basis; and Copper, Zinc, Fluoride, and Chloride 2/month. Request pretreatment's comments on whether monitoring for these parameters could be eliminated or reduced if they are already being monitored under facility's LTMP and there is not a reasonable potential for WQ violations. CONTACT: A through D: Mike Blasberg E through L: Melanie Bryson M through R: Dana Folley S through Z: Greg Newman li NCO020737 City of Kings Mountain 03-08-05 Broad River Basin Pilot Creek WWTP 6/26 Received application. Permittee would like Mercury limit changed to 0.4 µg/l, April to be included in the summer limits, and Temperature units consistent between DMR's and the renewal form. 7/1 CW acknowledged 7/14 Called MRO about issues application i in a lication letter. Samar will call Mr. 011is. Receiving Stream: Buffalo Creek Index #: 9-53-(5) 8/3/92 C From dam at Kings Mountain Reservoir to NC/SC State line. No compliance violations in the last two years. DMR's: TRC —all values for 1/98 = <1000 µg/l Instream monitoring OK Toxicity fads — 7/96, 7/97, 1/98 (NOV sent), 4/98, 5/98 WLA: JMN 7/ 12/93 3/30/94 Facility requested monitoring frequency reduction for chloride, fluoride, copper, and zinc from weekly to monthly. IAU concurred with this request, but RO wanted monitoring frequency of 2/month in the permit due to lack of data. Request RO comment on removing zinc monitoring. Action Level = 50 Allowable = 151.5 Max predicted = 0.36 µg/1 CF Notes / history: 5/9/91 Monthly monitoring of Mercury was granted the facility after they requested it. 10/6/92 Mr. 011is requests variance from 85% removal requirement for TSS 3/10/93 Mike Parker is OK with 70% TSS removal variance; removal should be changed back if influent returns to more typical values. Low influent values are not caused by I&I. 4/1/93 JMN recommends monthly monitoring for Mercury. 10/7/97 Compliance inspection — effluent rated unsatisfactory, discharge was red in color. 10/14/97 NOV/Recommendation of enforcement sent for mercury, lead, nickel, chromium, cyanide, and tox violations. Facility to respond by 10/31. Permit should be modified to 4.0 MGD if the facility does not fix aeration basin #3. RO: Is aeration basin #3 back in service? 2/24/98 NOV sent for tox fail 1/98 3/12/98 F icility responded to NOV requesting remission. 3/24/98 R quest placed on the Directors agenda for the next enforcement conference. Averages TSS values for January to May 1998 Influent TSS - 76, 74, 77, 90.3, 82.3 mg/1 Effluent TSS - 24.9, 20.2, 26.5, 26.6, 23.7 mg/I Medium strength influent = 220 mg/1(Metcalf & Eddy) Will leave the TSS variance in the permit. NCO020737 City of Kings Mountain page 2 Instream monitoring Facility has'DO, Temp, Fecal, and conductivity required in permit. They are also monitoring for pH, Cyanide, Mercury, Nickel, and Lead. The facility was told to do ,this for three months in a letter from Rex Gleason to the City Manager (10/16/97). Request RO comment on whether or not this is still required. Downstream hits (µg/1) Effluent (µg/1) 4/14/98 Cyanide = 2.0 <2.0, 4/9=3.0, <2.0, <2.0, 4/30=3.0 12/22/97 Lead = 30 5 analyses, all <20 11 /J 0/97 120 4 analyses, all <20 11%20/97 30 " Reasonable' Potential analysis done for Cadmium, Lead, Mercury, Cyanide, Chromium, Nickel, Chloride, Fluoride, Copper, and Zinc. Changes to permit: Changed monitoring frequency for TN and TP from monthly to quarterly per .0500 regs. Updated toxicity language to newer version. Removed language that stated `facility shall at no time exhibit chronic toxicity in any two consecutive tests'. Per Kristie Robeson 4/24/95 Removed limits for Cyanide, Chromium, and Nickel and changed monitoring from weekly to 2/Month. 7/29 To 'Mike T. for review. Public Notice: 10/7/98 Schedule to Issue: 11/23/98 NC0020737 Pilot Creek WWTP 6.0 MGD BuffaloCreek domestic = 23% = 1.38 MGD Residual Chlorine Ammonia as NH3 (summer) 7Q10 (CFS) 19 7Q10 (CFS) 19 DESIGN FLOW (MGD) 6 DESIGN FLOW (MGD) 6 DESIGN FLOW (CFS) 9.3 DESIGN FLOW (CFS) 9.3 STREAM STD (UG/L) 17.0 STREAM STD (MG/L) 1.0 UPS BACKGROUND LEVEL 0 UPS BACKGROUND LEVE 0.22 IWC (%) 32.86 IWC (%) 32.86 Allowable Concentration (u 51.73 Allowable Concentration 2.59 Ammonia as NH3 (winter) 7Q10 (CFS) 42 Fecal Limit 2001100ml DESIGN FLOW (MGD) 6 Ratio of 2.0 :1 DESIGN FLOW (CFS) 9.3 STREAM STD (MG/L) 1.8 UPS BACKGROUND LEVE 0.22 IWC (%) 18.13 Allowable Concentration 8.94 NCO020737 Pilot Creek WWTP BuffaloCreek domestic = 23% = 1.38 MGD Residual Chlorine Ammonia as NH3 (summer) 7Q10(CFS) 19 7Q10(CFS) 19 DESIGN FLOW (MGD) 1.38 DESIGN FLOW (MGD) 1.38 DESIGN FLOW (CFS) 2.139 DESIGN FLOW (CFS) 2.139 STREAM STD (UG/L) 17.0 STREAM STD (MG/1-) 1.0 UPS BACKGROUND LEVEL 0 UPS BACKGROUND LEVE 0.22 WC (%) 10.12 IWC (%) 10.12 Allowable Concentration (u 168.01 Allowable Concentration 7.93 Ammonia as NH3 (winter) 7Q10(CFS) 42 Fecal Limit 200I100ml DESIGN FLOW (MGD) 1.38 Ratio of 8.9 :1 DESIGN FLOW (CFS) 2.139 STREAM STD (MG/L) 1.8 UPS BACKGROUND LEVE 0.22 IWC (%) 4.85 Allowable Concentration 32.82 � I L� (trod c a�LnS' Or orX/&,AS IOn