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HomeMy WebLinkAboutNC0020648_Permit (Issuance)_20000410NPDES DOCIMENT !;CANNING COVER SHEET NPDES Permit: NC0020648 Washington WWTP Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Owner Name Change Staff Report Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Document Date: April 10, 2000 This document is printed MIL reuse paper - ignore any content on the resrerse reside 4, State of North Carolina Department of Environment and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Bill Holman, Secretary Kerr T. Stevens, Director April 10, 2000 Jerry Cutler City of Washington P.O. Box 1988 Washington, North Carolina 27889-1988 Dear Mr. Cutler: NCDENR Subject: NPDES Permit Issuance Permit NC0020648 City of Washington WWTP Beaufort County The 30-day public notice and comment period, for the NPDES draft permit NC0020648, has expired. The Division has considered the concerns raised and has modified the permit in accordance with current Division policy. All responses to concerns and revisions made to draft permit NC0020648 are explained below: Comment: The draft permit stipulates 2/Month monitoring of copper and zinc. The City of Washington requested that the monitoring frequency be reduced to monthly to match the frequency required by their Long Term Monitoring Plan. Response: The Division has reviewed the request and modified the measurement frequency accordingly. Attached is the NPDES Permit NC0020648 issued April 10, 2000. 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 US Environmental Protection Agency dated May 9, 1994. 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 (6714 Mail Service Center, Raleigh, North Carolina 27699-6714). Unless such demand is made, this decision shall be final and binding. Please note that this permit is not transferable except after notice to the Division. The Division may require modification or revocation and reissuance of the permit. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Water Quality or permits required by the 1617 MAIL SERVICE CENTER, RALEIGH, NORTH CAROUNA 27699-1617 - TELEPHONE 919-733-5083/FAX 919-733-0719 AN EQUAL OPPORTUNITY AFFIRMATIVE ACTION EMPLOYER - 50% RECYCLED/ 10% POST -CONSUMER PAPER VISIT US ON THE INTERNET © http://h2o.enr.state.nc.us/NPDES is Permit: NC0020648 Division of Land Resources, the Coastal Area Management Act or any other Federal or Local governmental permit that may be required. If you have any questions concerning this permit, please contact Mr. Michael Myers at telephone number (919) 733-5083, extension 508. Sincerely, Original Signed By David A. Goodrich Kerr T. Stevens cc: Washington Regional Office - Water Quality Section Aquatic Toxicology Unit Point Source Compliance/Enforcement Unit Central Files NPDES Files EPA -Region IV Permit: NC0020648 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY PERMIT 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 Washington is hereby authorized to discharge wastewater from a facility located at City of Washington WVVTP Plymouth and Second Street Washington Beaufort County to receiving waters designated as Tar River in the Tar -Pamlico River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III and IV hereof. This permit shall become effective May 1, 2000. This permit and authorization to discharge shall expire at midnight on November 30, 2004. Signed this day April 10, 2000. Original Signed By David A. Goodrich Kerr T. Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission Permit: NC0020648 SUPPLEMENT TO PERMIT COVER SHEET City of Washington is hereby authorized to: 1. Continue operation of an existing 3.2 MGD wastewater treatment system located at the Washington WWTP, Beaufort County, consisting of the following treatment units: • Influent metering vault • Mechanical bar screen • Automatic aerated grit chamber • Splitter box • Aeration basin • Activated sludge oxidation ditch • Three secondary clarifiers with scum removal and pumped sludge return • Three deep -bed denitrification sand filters with a methanol storage/feed system • Dual chlorine contact chambers with Clow paced gaseous chlorine feed • Sulfur dioxide dechlorination • Post aeration • Lime storage tower • Caustic soda and polymer feed system • Sludge mixing tank with lime addition • Aerobic digester • Four sludge thickening lagoons • Recirculation pump and decant draw off • 60,000 gallon mud well • Sludge recirculation pump station • Effluent pump station and; Discharge treated wastewater from said treatment works at the location specified on the attached map through outfall 001 into the Tar River which is classified C-NSW waters in the Tar -Pamlico River Basin. . •••• •••••••..;:' - --•:-_---„: --,---\-'• • CP ... \ - • ' -4'PrIbne.. 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Porar ' .6.c."1-- ... .--- ..• - - Jtinetiotis -- - *,--- h•:- . - ;‘, .7- - • • , • ;- *•'••- coLPf ..• 4- •W'se.-. • a . • / • • ? •. , • ./„ / . - Piling ° ; 0 • 'MENEM • ••••• • • • ), " .; • Or 4 • - - -601 „ - ••• „ • . t"— • - • ..t ° o 0 • Radio Towers .• • • • • • • .* Piling • • • ••• - . . . • • The Castle.. ; (C) Bf4\6 • Foul Area Soft (C) , • . • • o Pih Alight (C) Facility Information Latitude: Longitude: Quad #: Stream Class: Receiving Streanx Permitted Flow: 35°32' 42" 77°04' 32.9" E3OSE - Washington C NSW Tar River 3.2 MGD Sub -Basin: 03-03-07 City of Washington NC0020648 City of Washington WWTP i Permit: NC0020648 A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge treated wastewater from outfall(s) 001. Such discharges shall be limited and monitored by the Permittee as specified below: Effluent Characteristics Limits Monitoring Requirements Monthly Average Weekly Average Daily Maximum Measurement Frequency Sample Type Sample Location1 Flow 3.2 MGD Continuous Recording I or E BOD 5-day, 20°C2 15.0 mg/L 22.5 mg/L Daily Composite I, E Total Suspended Residue' 30.0 mg/L 45.0 mg/L • Daily Composite I, E NH3-N 4.0 mg/L Daily Composite E Dissolved Oxygen3 Daily Grab E Fecal Coliform 200/100m1 400/100 ml Daily Grab E Total Residual Chlorine 28.0 µg/L Daily Grab E Temperature Daily Grab E pH' Daily Grab E Conductivity Daily Grab E Copper Monthly Composite E Zinc Monthly Composite E Total Nitrogen(' (NO2 + NO3 + TKN) Monthly Composite E Total Phosphorus Monthly Composite E Acute Toxicity`' Quarterly Composite E Dissolved Oxygen3'7 3/Week Grab U, D Fecal Coliform 3/Week Grab U, D Temperature? 3/Week Grab U, D Conductivity 3/Week Grab U, D Footnotes: 1. Sample Location: E - Effluent, I - Influent, U- Upstream at Grimesland Bridge, D - Downstream at NC Highway 17. 2. The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15% of the respective influent value (85 % removal). 3. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/1. 4. Fecal Coliform shall be calculated using the geometric mean, according to the procedure detailed in Part II. Section A, Paragraph 9b. 5. The pH of the effluent shall not be less than 6.0 nor greater than 9.0 (on the standard units scale). 6. Acute Toxicity (Pimephales promelas) P/F at 90%: February, May, August, and November (see Part I. A. (2.)). 7. Sample collected three times per week during June 1 through September 30 and once per week October 1 through May 31. 8. See Special Condition Part I A(3). There shall be no discharge of floating solids or visible foam in other than trace amounts. Definitions: ml - milliliter µg/L - micrograms per liter mg/L - milligrams per liter MGD - million gallons per day Permit: NC0020648 Part I A(2) :ACUTE TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY) Thc permittee shall conduct acute toxicity tests on a quarterly basis using protocols defined in the North Carolina Procedure Document entitled "Pass/Fail Methodology For Determining Acute Toxicity In A Single Effluent Concentration" (Revised -July. 1992 or subsequent versions). The monitoring shall be performed as a Fathead Minnow (Pimephales promelas) 24 hour static test. The effluent concentration at which there may he at no time significant acute mortality is 90% (defined as treatment two in the procedure document). Effluent samples for self - monitoring purposes must he obtained during representative effluent discharge below all waste treatment. Thc tests will be performed during the months of Febraury, May, August, and November. All toxicity testing results required as part of this permit condition will he entered on the Effluent Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter code TGE6C. Additionally, DWQ Form AT-2 (original) is to be sent to the following address: Attention: North Carolina Division of Water Quality Environmental Sciences Branch 1621 Mail Service Center Raleigh, North Carolina 27699-1621 Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Branch no later than 30 days after the end of the reporting period for which the report is made. Test data shall he 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 he measured and reported if chlorine is employed for disinfection of the waste stream. Should there he 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 permittee fail to monitor during a month in which toxicity monitoring is required, 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 either these monitoring requirements 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 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. Permit: NC0020648 Part I A(3) For Association members: Limits on total phosphorus and total nitrogen have not been included at this time because the facility is participating in the nonpoint source trading option outlined in the Tar Pamlico NSW Implementation Strategy Phase II, which was adopted December 8, 1994. If compliance with any element of this strategy, or subsequent approved revisions to the strategy is not maintained, the Division reserves the right to reopen this permit to include nutrient limits. If requirements other than those listed in this NPDES permit are adopted as part of a future revision to the strategy, the Division reserves the right to reopen this permit to include these requirements. away for disposal by the city on the neighborhood garbage pick-up day. Items should be placed in the American Red Cross INVITATION TO BID: Belhaven Public Library, Belhaven, North Carolina. Sealed Bids from Gen- eral Contractors for the construction of a new Re- placement Library for the Belhaven Public Library Inc. will be received by the Belhaven Town clerk for: Belhaven Public Library Inc. at the Belhaven City Hall, 301 East Main Street, Belhaven, North Carolina until, 2:00 PM prevailing time, on Wed- nesday March 8, 2000. At said time, will be public- ly opened and read aloud. The project will be bid with General Contractors responsible for all phas- es of work. The scope of work is the demolition of the existing library and the construction of a free standing 3600 s.f. Structure consisting of wood framing, shake siding and standing seam metal roof. The project includes site work and parking. The struc- ture is to be constructed at 335 East Main Street, Belhaven, North Carolina. Bidding documents may be inspected at the plan room of AGC in Greenville, North Carolina and the Minority Business Center in Raleigh North Carolina or by contacting the Owners Representa- tive Jim Merritt at 252-943-6365. Plans are availa- ble with a $100.00 refundable deposit. There will be a postage and handling charge of $10.00 for the mailing of Bidding documents. Bidding documents will be available March 8, 2000. Contractors offering a proposal on this project must be licensed to do contracting in the State of North Carolina. Bids will be binding for a period of thirty (30) cal- endar days from the date bids are opened. All bids are to be accompanied with a bid bond or certified check of not less than five (5%) of the base bid. Bids are to be submitted on the Form of Proposal provided with the instruction to Bidders Section of the Project Manual for this project. All bids must comply with the laws of the state of North Carolina. The Belhaven Library Inc. encourages participa- tion by minority businesses to submit bids for this construction project. The Owner shall award con- tracts without regard to race, religion, color, creed, national origin, sex, age or handicapping condi- tion. THE OWNER RESERVES THE RIGHT TO REJECT ANY AND ALL BIDS AND TO AWARD THE CONTRACT IN THE BEST IN- TEREST OF THE OWNER. 2-3,4,5,6,7,8,9,10,11,12,13 lltc NOTICE THE Tyrrell County Public Library, member of the Pettigrew Regional Library, is accepting bids for the construction of a 3750 square foot ADDITION Tfl THE FXISTINC LIBRARY BUILDING in Co - collection at no charge on the sec- ond weeks of February, May, August and November. The ne free pick-up will be May 9-12. - LEGAL NOTICES must be placed by 12 noon, two days prior to publication. PUBLIC NOTICE STATE OF NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMIS- SION/NPDES UNIT 1617 MAIL SERVICE CENTER RALEIGH, NC 27699 -1617 NOTIFICATION OF INTENT TO ISSUE A NPDES WASTEWATER PERMIT On the basis of thorough staff review and applica- tion of NC General Statute 143.21, Public law 92- 500 and other lawful standards and regulations., the North Carolina Environmental Management Commission proposes to issue a National Pollu- tant Discharge Elimination System (NPDES) wastewater discharge permit to the person(s) list- ed on the attached pages effective 45 days from the publish date of this notice. Written comments regarding the proposed permit will be accepted until 30 days after the publish date of this notice. All comments received prior to that date are considered in the final determina- tions regarding the proposed permit. The Director of the NC Division of Water Quality may decide to hold a public meeting for the proposed permit should the Division receive a significant degree of public interest. Copies of the draft permit and other supporting in- formation on file used to determine conditions present to the draft permit are available upon re- quest and payment of the costs of reproduction. Mait,comments and/or requests for information to the NC Division of Water Quality at the above ad- dress or call Ms. Christie Jackson at (919) 733- 5053, extension 538. Please include the NPDES permit number (attached) in any communication. Interested persons may also visit the Division of Water Quality at 512 N. Salisbury Street, Raleigh, NC 27604-1148 between the hours of 8:00 a.m. and 5:00 p.m. to review information on file. NPDES Permit Number NC0020648, Town of Washington WWTP, P.O. Box 1988, Washington, NC 27889 has applied for a permit renewal for a facility located in Beaufort County discharging treated wastewater into Kennedy Creek in the Tar -Pamlico River Basin. Currently BOD, ammo- nia, dissolved oxygen, fecal coliform, and total re- sidual chlorine are water quality limited. This dis- charge may affect future allocations in this portion of the receiving stream. 2-4 1 tc STATE OF NORTH CAROLINA COUNTY OF BEAUFORT IN THE GENERAL COURT OF JUSTICE SUPERIOR COURT DIVISION ADMINISTRATOR'S - EXECUTOR'S NOTICE Having qualified as -Executor of the Estate of Elizabeth Sparrow McNeill of Beaufort County, North Carolina, this is to notify all persons having claims against the Estate of, Elizabeth Sparrow McNeill to present them to the undersigned on or �" \ 1�L�711R4J 1�I11v, l Downtown Belha STATE OF NORTH CAROLINA COUNTY OF BEAUFORT IN THE GENERAL COURT OF JUSTICE SUPERIOR COURT DIVISION ADMINISTRATOR'S - EXECUTOR'S NOTICE Having qualified as Executrix of the Estate of Ce- cil Belmont Cayton of Beaufort County, North Carolina, this is to notify all persons having claims against the Estate of, Cecil Belmont Cay- ton to present them to the undersigned on or be- fore the 3rd day of May, 2000 or same will be pleaded in bar of their recovery. All persons in- debted to said estate please make immediate payment. This the 19th day of January 2000. Ramona S. Cayton 111 Edgewater B each Road Washington, NC 27889 1-21,28 2-4,11 4tc STATE OF NORTH CAROLINA COUNTY OF BEAUFORT IN THE GENERAL COURT OF JUSTICE SUPERIOR COURT DIVISION ADMINISTRATOR'S - EXECUTOR'S NOTICE Having qualified as ADMINISTRATRIX of the Estate of COTTIE BOOMER MURRAY of Beaufort County, North Carolina, this is to notify all persons having claims against the Estate cl COTTIE BOOMER MURRAY to present them to the undersigned on or before the 10th day o1 May, 2000 or same will be pleaded in bar of their recovery. All persons indebted to said estate please make immediate payment. This the 26th day of January 2000. Margarret Spencer 1352 Swamp Rd. Pantego, NC 27860 1-28 2-4,11,18 4tc WASHINGTON HISTORIC PRESERVATION COMMISSION Regular Meeting February 8, 2000 7:00 P.M. Notice is hereby given that the Washington Histor is Preservation Commission will conduct a specie public meeting on February 8, 2000 at 7:00 p.m in the City Council Chambers on the second floo of the Municipal Building located al 102 E. Sec and Street, Washington, NC. The purpose of thi' public hearing will be to discuss the followini items listed below: A. Major Works, Certificates of Appropriate ness 1. Pat Lovely of 107 West Main Street has re quested a Certificate of Appropriateness to insta a cooler on the back patio located behind th building. The cooler will be connected to the builc ing by a two foot long enclosed walkway. The un and walkway will be screened by a masonry an wood fence. All interested citizens are encou aged to attend this meeting. All comments ar welcome and anyone wishing 10 submit writte comments should submit them to Chad Hold: worth, Planner I, comments should be submitte WASHINGTON DAILY NEW: The Voice of the Pamlico P.O. BOX 1788 WASHINGTON, N.C. 27889 CLASSIFIED ADVERTISING INVOICE START DATE SMTWTFS r:/A', : u,l i t3U STOP DATE INSERTIONS WORDS AMOUNT DUE 18 PAYABLE UPON PRESENTATION PUBLIC ffOTIL. STATE OF 1ORTE C ROiI>.?"& EFTIROYMENTAL Jz`lN4L'1,f P ' (.Ot' 1i 5ILUYt:'NDlES t 1IT 1617 NAIL SBtt.'.: , V1� CENTER RALEIEig., NC 27699 — ;' tll'd.Z1.t.l TIO o INT M TO ISSUE ,t, Notes for Town of Washington Wastewater Treatment Plant General Information Permit Writer: MJM Permit #: NC0020648 Permit Review Permit Issued: April 7, 1995 Permit Modified: May 5, 1995 There are two different sets of effluent limitations and monitoring requirements in the last permit. According to the November 4, 1994 Staff Report the facility had an approved pretreatment program. Pretreatment should be contacted to find out the status of the pretreatment program. As of November 4, 1994 the facility was a member of the Tar -Pamlico Basin Association. Outfall has been relocated from Kennedy Creek to the Tar River. Permit File Review Permit Application — Plant was built in 1986 and upgraded in 1994. The WWTP has a average day — maximum month design flow 3.2 MGD. Possible treatment plant changes: Presently, the treatment plant is unable to handle peak flow conditions. According to `Preliminary Engineering Report' submitted by the applicant the facility is planning to make the following changes during the next permit cycle. • Installation of an additional clarifiers. • Increase filter capacity. • Re -commission all abandoned clarifiers for backwash storage. • Installation of a second oxidation ditch in order to meet the duality requirements. • Installation of UV disinfection. Industrial waste contributors discharging to the PTOW, according to permit application, include: • Flanders Filer Inc.- manufactures HEPA Air Filter Media; Producing an intermittent flow of 0.045 MGD. • Stanadyne Automotive Corporation — Automotive manufacturing; Producing an intermittent flow of 0.033 MGD • Amilite Corporation — Manufactures laminated and tempered glass; Producing an intermittent flow of 0.032 MGD A request for speculative limits was received on May 17, 1999. Check with Charles, has the facility indicated the flow for speculative limits. No formal speculative limit request has been made. Therefore, this will not be addressed at this time. 7 Wasteload Allocation File Review The last wasteload was conducted 10-31-94, for two discharge location Kennedy Creek and Tar River at flow rates of 2.5 MGD and 3.2 MGD, respectively. According to the WLA, BOD, ammonia, DO, and TRC are water quality limited. The facility currently has a quarterly acute toxicity testing requirement. Correspondence File Review 1996 — Long term BOD study conducted. 1998 — Treatment facility was rated as a grade IV biological facility. There are no other issues documented in the correspondence file. The facility appears to very well maintained and operated, according to compliance inspection reports. DMR Review It would appear that the facility reports their LTMP data on their DMRs. LTMP data has been request from pretreatment to verify. Basin Plan Review The discharge point is located upstream of US 17 in the Tar River. This reach is not listed on the State's 303(d) list according to the July 1999 Tar -Pamlico River Basinwide Plan. The facility should be made aware that the Pamlico Sound is currently under extreme stress due the recent hurricanes. Subbasin 03-03-07 has 25 permitted outfalls which have individual NPDES permits. There are three major dischargers and 22 minor dischargers in the subbasin. General Comments The facility has moved its discharge location into the Tar River and permitted flow is now 3.2 MGD. Therefore, the one effluent page is all that should be needed for this permit renewal. Per Dave Goodrich, since the discharge is into tidal waters technology -based limits are implemented for ammonia. Since the discharge is into tidal water the reasonable potential will be conducted using'/2 FAVs if available. For toxicants where/ FAV has been established the chronic freshwater standard is used. Initially, zero dilution is assumed. If reasonable potential is established at zero dilution then RP is conducted again using 50%, 75%, and 99% dilution. 1/10/00 — Reasonable Potential Results — Cadmium — analytical results from 1996 through 1999 were all below detection (<2 µg/1) therefore no reasonable potential exist. Chromium — According to the reasonable potential analysis a limit for chromium is not warranted. Though the facility detected chromium in 1996, chromium has not been detected in the effluent since that time. Since the facility is already monitoring chromium as part of their LTMP chromium monitoring is not recommended. Nickel — The facility has not detected nickel above the detection limit (<5 µg/1) over the last four years. Therefore, implementation of a limit or monitoring requirement is not warranted at this time. Cyanide — Cyanide has not been detected in the effluent over the past four years according to the DMR data. Copper — Washington WWTP discharges into tidal waters therefore the reasonable potential was conducted using acute toxicity criteria rather than chronic toxicity criteria assuming an IWC of 100%. The reasonable potential analysis concluded that reasonable potential does exist for the facility to exceed the 1/2 FAV value. It is recommended that the facility be required to monitor copper as a condition for the permit. Zinc - Washington WWTP discharges into tidal waters therefore the reasonable potential was conducted using acute toxicity criteria rather than chronic toxicity criteria assuming an IWC of 100%. The reasonable potential analysis concluded that reasonable potential does exist for the facility to exceed the 1 FAV value. It is recommended that the facility be required to monitor zinc as a condition for the permit. Silver - Washington WWTP discharges into tidal waters therefore the reasonable potential was conducted using acute toxicity criteria rather than chronic toxicity criteria assuming an IWC of 100%. The reasonable potential analysis concluded that reasonable potential does exist for the facility to exceed the l FAV value. Reasonable potential exist due to one detection in April of 1997. The facility has collected 25 samples since that time all of which have been below detection limit. Silver is monitored as part of the City of Washington's Long Term Monitoring Plan, therefore it is not recommended that a limit or monitoring be placed in the permit. Arsenic — There is no FAV value for arsenic. A conservative approach was taken in conducting the reasonable potential. The chronic aquatic life salt water standard for arsenic was used assuming zero dilution. Using this approach it was concluded that no reasonable potential exist to exceed the in -stream standard. No monitoring or limits are proposed at this time. Mercury — The facility has not detected mercury above the detection level (0.2 µg/L) in four years, according to the LTMP data. Selenium — The facility has not detected selenium in fours years of monitoring. No limits or monitoring is proposed at this time. 3 Molybdenum — There is no standard available for molybdenum. Over the past four years the facility has detected molybdenum above the detection limit four times. Since the facility continues to monitor molybdenum as part of their LTMP it is not recommended that the permit require molybdenum monitoring. In -stream Data — October 1999, dissolved oxygen was below the state standard of 5.0 mg/L at both the upstream location and the downstream location. September 1999 dissolved oxygen concentrations were below the state standard for the majority of the month at both the upstream and downstream locations. The lowest measurement taken was 2.2 mg/L at the upstream monitoring point. September 1998 — dissolved oxygen dropped below the state standard of 5.0 mg/L suring the first and second weeks of September with the lowest DO measurement (2.9 mg/L) being recorded at the downstream monitoring location. Reviewing the in -stream data for DO the facility does not appear to be impacting the receiving stream. The downstream monitoring location typically has higher DO concentration than the upstream location. During those times when DO was below the state standard at the downstream location the upstream location was also below the state standard. DENR/DWQ FACT SHEET FOR NPDES PERMIT DEVELOPMENT NPDES No. NC0020648 Facility Information Applicant/Facility Name: City of Washington WWTP Applicant Address: P.O. Box 1988, Washington, North Carolina 27889-1988 Facility Address: Plymouth and Second Street, Washington, NC Permitted Flow 3.2 MGD Type of Waste: Domestic and industrial Facility/Permit Status: Renewal County: Beaufort Miscellaneous Receiving Stream: Tar River Regional Office: Washington Stream Classification: C NSW , USGS Topo Quad: E3OSE 303(d) Listed?: No _ Permit Writer: Michael Myers Subbasin: 03-03-07 Date: January 12, 2000 Drainage Area (mi2): Tidal ~� �gfx, � '. I t'• � F E S Y i �� _ ,l ' 'F 4 Summer 7Q10 (cfs) Tidal Winter 7Q10 (cfs): Tidal Average Flow (cfs): Tidal IWC (%): Primary SIC Code: 4952 SUMMARY The City of Washington WWTP is located in Beaufort County, North Carolina in the Tar -Pamlico River Basin. Over the past five years the facility has moved the discharge location from Kennedy Creek to the Tar River. Upon moving the outfall to the Tar River the facilities permitted flow increased from 2.12 MGD to 3.2 MGD. At the last permit renewal wasteload allocations were conducted for discharge into both Kennedy Creek (2.12 MGD) and Tar River (3.2 MGD). Currently, the facility is permitted to discharge 3.2 MGD through one outfall (001) into the Tar River. Nutrient limits have not been imposed on the facility because of their participation in the Tar -Pamlico Basin Association. The treatment works accepts wastewater from three industries. The industries discharging to the Washington WWTP include the following: • Flanders Filer Inc.- manufactures HEPA Air Filter Media; Producing an intermittent flow of 0.045 MGD. • Stanadyne Automotive Corporation — Automotive manufacturing; Producing an intermittent flow of 0.033 MGD • Amilite Corporation — Manufactures laminated and tempered glass; Producing an intermittent flow of 0.032 MGD The facility is located in subbasin 03-03-07. Subbasin 03-03-07 has a total area of 1,192 square miles with 206 square miles of water area. Land Cover in the subbasin is 55% forest/wetland, 18% surface water, 1% urban, 25% cultivated crop and 1% pasture. There are four major dischargers in this subbasin, including National Spinning, PCS Phosphate, and Washington WWTP. The Tar River is a source of nitrite/nitrate to the Pamlico estuary and copper has been detected above the NC action level in the area near Washington. The copper levels have been attributed to boating activity, since copper additives are common in boat anti -fouling paint and wood preservatives. Also of concern in the coastal waters of the Tar -Pamlico Basin is Phiesteria, which has been documented as being a causative factor to fish kills. In May 1999, Rivers and Associates (consultant) requested speculative limits for the Washington WWTP. No Clow was stipulated at that time. The acknowledgement letter returned to the facility informed them that before speculative limits could be issued that flow needed to be stipulated. Since that time there has been no 1�11E- additional correspondence regarding speculative limits and a formal request for speculative limits has not been made. Therefore, this request will not be addressed as part of the permit renewal. Since the facility discharges into tidal water reasonable potential analysis was conducted assuming an IWC of 100% and using'h FAV values as the standard. The stream classification is C NSW, which is a freshwater classification. Therefore, if available the freshwater'/2 FAV values were used. In instances where'h FAV values were not available, reasonable potential was evaluated using the chronic standard and assuming three IWCs. The IWCs used were 100%, 50%, and 1%. If the reasonable potential analysis concluded that there was no reasonable potential using an IWC of 100% then it was concluded that no reasonable potential existed. The reasonable potential analysis concluded that reasonable potential exist for the facility to exceed the '/z FAVs for copper, silver, and zinc. The reasonable analysis for silver resulted from one detection of silver in April 1997. Since that time the facility has conducted 25 sampling events without detecting silver. Silver monitoring is conducted as part of the facilities Long Term Monitoring Plan and is not recommended as a permit condition. Additionally, there is reasonable potential for the City of Washington WWTP to exceed the ' FAV values for copper and zinc. The analysis for copper and zinc was conducted assuming an IWC of 100% and using the '/z FAV values as a standard. Interpretation of the reasonable potential analysis led to the following conclusion: 'The City of Washington WWTP does have a reasonable potential to exceed the acute toxicity value for copper and zinc'. The Division has established that copper and zinc are `action level' parameters. The bioavailabilty of these metals is dependent on hardness, pH, and temperature. Because North Carolina surface waters typically have higher hardness values than those assumed by the EPA in developing the criteria for copper and zinc, the Division has adopted the EPA criteria for these metals as action levels. For action level parameters, if reasonable potential is established using the chronic standard then as long as the facility passes toxicity testing, only monitoring of the parameter of concern is included as a condition for the permit. Even though the Division is implementing the '/ FAVs as standards, it is not recommended that daily maximum limits be included as a condition for the permit, because of the policy regarding action level parameters. However, it is recommended that the facility be required to monitor copper and zinc as a condition for the permit. TOXICITY TESTING: Current Requirement: Quarterly Acute Toxicity (Pimephales promelas) P/F at 90%. Recommended Requirement: Quarterly Acute Toxicity (Pimephales promelas) P/F at 90%. COMPLIANCE SUMMARY: The facility has had no compliance problems over the past tour years. The facility did exceed their permitted Clow in September and October 1999, however this was due to flooding resulting from hurricane activity during September 1999. INSTREAM MONITORING: The facility is currently required to monitor the following parameters upstream and downstream of the permitted outfall: • Dissolved oxygen • Fecal coliform • Temperature • Conductivity PROPOSED CHANGES: Effluent monitoring of copper and zinc has been included as a condition for the permit. (See Summary above) Monitoring for Total nitrogen and total phosphorus has been reduced from 2/month to monthly. N1)1)1 `> H.L_fe\>.,tl P., t e<° 2 t PROPOSED SCHEDULE FOR PERMIT ISSUANCE: Draft Permit to Public Notice: Permit Scheduled to Issue: STATE CONTACT: If you have any questions on any of the above information or on the attached permit, please contact MichaelMyers at (919) 733-5038 ext. 508. DATE: 0%0/70 Htcl \1'1)1 S SOC PRIORITY PROJECT: YES NO IF YES, SOC NO. To: NPDES Permits and Engineering jni� g N o w Wa ter Quality Section 1 L Attn: Charles Weaver Date: January 4, 2000 r JAN 1 NPDES STAFF REPORT AND RECOMMENDATION Beaufort County Permit No. NC0020648 PART I — GENERAL INFORMATION 1. Facility and Address: Town of Washington WWTP Post Office Box 1988 Washington, North Carolina 27889 2. Date of Investigation: October 27, 1999 3. Report Prepared by: Kimberly H. Cole 4. Person(s) contacted and telephone number(s): Jerry Cutler (Water Resources Superintendent): (252) 975- 9310 Adam Waters (Pretreatment Coordinator) 5. Directions to Site: from US Hwy 264 within the city limits of Washington, turn south on Plymouth St.; office and control room are at the northwest comer of Second St. and Plymouth St.; treatment plant is south of the intersection of Second St. and Plymouth St. 6. Discharge Point: Latitude: 35° 32' 42.0" Longitude: 77° 04' 32.9" Attach a USGS map extract and indicate treatment facility site and discharge point on map. USGS Quad. No. USGS Quad Name: Washington. NC 7. Site size and expansion area consistent with application? X Yes No total site area approx. 700 acres and includes: 301.54 acres permitted for sludge land application and 84 acres of physical facilities 8. Topography (relationship to flood plain Included) : flat; site is within floodplain of Kennedy Creek; no units were flooded during Hurricane Floyd floods. 9. Location of nearest dwelling: approximately 750 feet southeast of treatment facility site 10. Receiving stream or affected surface waters: Tar River a. Classification: C NSW b. River Basin and Subbasin No.: 03-03-07 c. Describe receiving stream features and pertinent downstream uses: The discharge is located in the tidally -influenced transition zone between the freshwater Tar River and the estuarine Pamlico River; the receiving stream classification changes to SC NSW at the US 17 bridge approximately 1.2 miles downstream of the proposed discharge migration route and spawning grounds for anadramous fish (such as herring, stripped bass, American shad, and hickory shad); supports freshwater fish propagation and provides habitat for other wildlife; used for boating and other non -contact recreation PART II —DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1. a. Volume of Wastewater to be permitted: 3.2 MGD b. What is the current permitted capacity of the Wastewater Treatment facility? 3.2 MGD. c. Actual treatment capacity of the current facility (current design capacity)? 3.2 MGD. d. Date(s) and construction activities allowed by previous Authorizations to Construct issued in the previous two years: e. Please provide a description of existing or substantially constructed wastewater treatment facilities: Treatment consists of mechanical screening, automatic aerated grit removal, aeration basin, activated sludge oxidation ditch. Treatment is followed by three secondary clarifiers with scum removal and pumped sludge return, three tertiary deep -bed denitrification sand filters with methanol storage/feed system, dual parallel chlorine contact chambers with flow paced gaseous chlorine feed, sulfur dioxide dechlorination system, post aeration, lime feed, caustic soda feed, alum feed, and polymer feed, sludge mixing tank, four thickening lagoons (2 for sludge, 1 for backwash, and 1 for Natl. Spin.), and a 24" effluent force main with a sub -aqueous diffuser which discharges into the Tar River. f. Please provide a description of proposed wastewater treatment facilities: 1-92' diameter clarifier and 2 new denitrification filters (see Potential Facility Changes in application) g• Possible toxic impacts to surface waters: The following substances are expected to be in the effluent: chloride, fluoride, chromium, iron, zinc, and surfactants. h. Pretreatment Program (POTWs only): Approved 2. 3. Residuals handling and utilization/disposal scheme: NA a. If residuals are being land applied, please specify DWQ permit no. W00001026 Residuals Contractor: Applied by the City of Washington Telephone No. b. Residuals stabilization: PSRP X PFRP Other c. Landfill: NA d. Other disposal/utilization scheme (Specify): 4. Treatment plant classification (attach completed rating sheet): IV 4. SIC Code: 4952 Wastewater Code of actual wastewater, not particular facilities. Primary01 Secondary 27 40 50 57 61 76 78 86 Main Treatment Unit Code: 1 0 6 3 PART III —OTHER PERTINTENT INFORMATION 1. Is this facility being constructed with Construction Grant Funds or are any public monies involved? (municipals only) 2. Special monitoring or limitations (including toxicity) requests: 3. Additional effluent limits requested: 4. Other: NA PART IV —EVALUATION AND RECOMMENDATION It is recommended to reissue NPDES permit No. NC0020648. IL.. CO'b )/ k C Signature of Report ai'ePre r g p p ater Quality Regional Supervisor Date 1 ai ig i 111 1� /if oirrusER A \. 20' R1yEo 4T5C Ems' 04, NATIONAL W47011141. \ P NMI NC NIPI IIEL \EW TANK ,;" DIP P11I0gi1C O CARAC[ J0D 1PTP 00 Eo 00 -k)l 0 0 NIP NEW CLARIFIER DENITRIFICATION FILTERS 111C—EXIST 36" OUTFALLChh. 444,44 44.4 oa t LOCATION MAP, NO SCALE IN~RAINPE TCHRNNELSER PROJECT No. 19975 LEGEND STRUCTURES PIPELINES EXISTING Fri HEW111111 tv. Mack aVIQstCM CITY OF WASHINGTON, N.C. WASTEWATER FACILITIES IMPROVEMENTS SCALE: 1" I$ 400' FIGURE B PROJECT SITE PLAN Name: WASHINGTON Date: 1/5/100 Scale: 1 inch equals 2000 feet Location: 035° 32' 54.3" N 077° 04' 21.7" W Caption: City of Washington WVVTP and Outfall 001 NPDES NC0020648 Copyright (C) 1997, Maptech, Inc. Facility Name = NPDES # = Qw (MGD) _ 7Q1Os (cfs)= IWC (%) = City of Washington W WTP Parameter = Standard = NC0020648 3.2 Tidal 100.00 FINAL RESULTS Arsenic Max. Pred Cw Allowable Cw 7.2 50.0 Arsenic 50.0 uei n BDL=1/2DL Actual Data RESULTS 1 2.5 <5 Std Dev. 0.51604685 2 2.5 <5 Mean 2.57608696 3 2.5 <5 C.V. 0.20032198 4 2.5 <5 5 2.5 <5 6 2.5 <5 Mult Factor = 7 2.5 <5 Max. Value 8 2.5 <5 Max. Pred Cw 9 2.5 <5 Allowable Cw 10 6.0 6 11 2.5 <5 12 2.5 <5 13 2.5 <5 14 2.5 <5 15 2.5 <5 16 2.5 <5 17 2.5 <5 18 2.5 <5 19 2.5 <5 20 2.5 <5 21 2.5 <5 22 2.5 <5 23 2.5 <5 24 2.5 <5 25 2.5 <5 26 2.5 <5 27 2.5 <5 28 2.5 <5 29 2.5 <5 30 2.5 <5 31 2.5 <5 32 2.5 <5 33 2.5 <5 34 2.5 <5 35 2.5 <5 36 2.5 <5 37 2.5 <5 38 2.5 <5 39 2.5 <5 40 2.5 <5 41 2.5 <5 42 2.5 <5 43 2.5 <5 44 2.5 <5 45 2.5 <5 46 2.5 <5 1.2 6pg/1 7.2 pg/1 50.0 pg/1 'acility Name = NPDES # = Qw (MGD) = 7Q1Os (cfs)= 1WC (%) = City of Washington WWTP NC0020648 3.2 Tidal 100.00 FINAL RESULTS Cadmium Max. Pred Cw 0 Allowable Cw 15.0 Parameter = Standard = Cadmium 15.0 pWI n BDL=1/2DL Actual Data RESULTS 1 1.0000 <2 Std Dev. 2 1.0000 <2 Mean 3 1.0000 <2 C.V. 4 1.0000 <2 5 1.0000 <2 6 1.0000 <2 Mult Factor = 7 1.0000 <2 Max. Value 8 1.0000 <2 Max. Pred Cw 9 1.0000 <2 Allowable Cw 10 1.0000 <2 11 1.0000 <2 12 1.0000 <2 13 1.0000 <2 14 1.0000 <2 15 1.0000 <2 16 1.0000 <2 17 1.0000 <2 18 1.0000 <2 19 1.0000 <2 20 1.0000 <2 21 1.0000 <2 22 1.0000 <2 23 1.0000 <2 24 1.0000 <2 25 1.0000 <2 26 1.0000 <2 27 1.0000 <2 28 1.0000 <2 29 1.0000 <2 30 1.0000 <2 31 1.0000 <2 32 1.0000 <2 33 1.0000 <2 34 1.0000 <2 35 1.0000 <2 36 1.0000 <2 37 1.0000 <2 38 1.0000 <2 39 1.0000 <2 40 1.0000 <2 41 1.0000 <2 42 1.0000 <2 43 1.0000 <2 44 1.0000 <2 45 1.0000 <2 46 1.0000 <2 0 1 0 1Pg,f1 0 pg/1 15.0 pg/1 Facility Name = NPDES # = Qw (MGD) = 7Q10s (cfs)= IWC (%) = City of Washington WW NC0020648 3.2 Tidal 100.00 FINAL RESULTS chromium Max. Pred Cw Allowable Cw 9.8 50.0 TP Parameter = Standard = chromium 50 u� n BDL=1/2DL Actual Data 1 2.500 <5 2 2.500 <5 3 2.500 <5 4 2.500 <5 5 6.000 6 6 6.000 6 Mult Factor = 7 7.000 7 Max. Value 8 2.500 <5 Max. Pred Cw 9 2.500 <5 Allowable Cw 10 2.500 <5 11 2.500 <5 12 2.500 <5 13 2.500 <5 14 2.500 <5 15 2.500 <5 16 2.500 <5 17 2.500 <5 18 2.500 <5 19 2.500 <5 20 2.500 <5 21 2.500 <5 22 2.500 <5 23 2.500 <5 24 2.500 <5 25 2.500 <5 26 2.500 <5 27 2.500 <5 28 2.500 <5 29 2.500 <5 30 2.500 <5 31 2.500 <5 32 2.500 <5 33 2.500 <5 34 2.500 <5 35 2.500 <5 36 2.500 <5 37 2.500 <5 38 2.500 <5 39 2.500 <5 40 2.500 <5 41 2.500 <5 42 2.500 <5 43 2.500 <5 44 2.500 <5 45 2.500 <5 46 2.500 <5 47 2.500 <5 RESULTS Std Dev. 0.95480672 Mean 2.74468085 C.V. 0.34787532 1.4 7 PO 9.8 pg/1 50.0 pg/1 Facility Name = NPDES # = Qw (MGD) = 7QI0s (cfs)= IWC (%) = City of Washington WWTP Parameter = NC0020648 Standard = 3.2 Tidal 100.00 Copper Max. Pred Cw Allowable Cw FINAL RESULTS 95.7 7.3 Copper 7.3 n BDL=1/2DL Actual Data RESULTS 1 6.0 6 Std Dev. 4.88341349 2 5.0 5 Mean 3.43333333 3 2.5 <5 C.V. 1.42235344 4 11.0 11 5 3.0 3 6 1.5 <3 Mult Factor = 7 3.0 3 Max. Value 8 1.5 <3 Max. Pred Cw 9 1.5 <3 Allowable Cw 10 1.5 <3 11 1.5 <3 12 1.5 <3 13 7.0 7 14 1.5 <3 15 4.0 4 16 3.0 3 17 1.5 <3 18 3.0 3 19 1.5 <3 20 33.0 33 21 1.5 <3 22 5.0 5 23 2.5 <5 24 3.0 3 25 4.0 4 26 1.5 <3 27 2.5 <5 28 2.5 <5 29 1.5 <3 30 5.0 5 31 3.0 3 32 1.5 <3 33 5.0 5 34 1.5 <3 35 1.5 <3 36 1.5 <3 37 2.5 <5 38 3.0 3 39 1.5 <3 40 3.0 3 41 1.5 <3 42 1.5 <3 43 1.5 <3 44 1.5 <3 45 1.5 <3 2.9 33 ug/1 95.7 ug/1 7.3 pg/1 Facility Name = City of Washington WWTFParameter = NPDES # = Qw (MGD) = 7Q10s (cfs)= IWC (%) = Nc0020648 3.2 Tidal 100.00 FINAL RESULTS cyanide Max. Pred Cw 0 Allowable Cw 22.0 Standard = cyanide 22.0 ugn n BDL=1/2DL Actual Data RESULTS 1 2.5000 <5 Std Dev. 2 2.5000 <5 Mean 3 2.5000 <5 C.V. 4 2.5000 <5 5 2.5000 <5 6 2.5000 <5 Malt Factor = 7 2.5000 <5 Max. Value 8 2.5000 <5 Max. Pred Cw 9 2.5000 <5 Allowable Cw 10 2.5000 <5 11 2.5000 <5 12 2.5000 <5 13 2.5000 <5 14 2.5000 <5 15 2.5000 <5 16 2.5000 <5 17 2.5000 <5 18 2.5000 <5 19 2.5000 <5 20 2.5000 <5 21 2.5000 <5 22 2.5000 <5 23 2.5000 <5 24 2.5000 <5 25 2.5000 <5 26 2.5000 <5 27 2.5000 <5 28 2.5000 <5 29 2.5000 <5 30 2.5000 <5 31 2.5000 <5 32 2.5000 <5 33 2.5000 <5 34 2.5000 <5 35 2.5000 <5 36 2.5000 <5 37 2.5000 <5 38 2.5000 <5 39 2.5000 <5 40 2.5000 <5 41 2.5000 <5 42 2.5000 <5 43 2.5000 <5 44 2.5000 <5 45 2.5000 <5 46 2.5000 <5 47 2.5000 <5 48 2.5000 <5 0 2.5 0 2.5 pg/1 0 pgil 22.0 pg/1 Facility Name = NPDES # = Qw (MGD) = 7Q10s (cfs)= ITC (%) = Cityof Washington WW NC0020648 3.2 Tidal 100.00 FINAL RESULTS Lead Max. Pred Cw Allowable Cw 15.3 33.8 TP Parameter = Standard = Lead 33.8 n BDL=1/2DL Actual Data RESULTS 1 1.5 <3 Std Dev. 1.09799666 2 1.5 <3 Mean 1.64893617 3 1.5 <3 C.V. 0.66588185 4 1.0 <2 5 1.5 <3 6 1.5 <3 Mult Factor = 7 1.5 <3 Max. Value 8 1.5 <3 Max. Pred Cw 9 1.5 <3 Allowable Cw 10 1.5 <3 11 1.5 <3 12 1.5 <3 13 1.5 <3 14 1.5 <3 15 1.5 <3 16 1.5 <3 17 1.5 <3 18 1.5 <3 19 1.5 <3 20 9.0 9 21 1.5 <3 22 1.5 <3 23 1.5 <3 24 1.5 <3 25 1.5 <3 26 1.5 <3 27 1.5 <3 28 1.5 <3 29 1.5 <3 30 1.5 <3 31 1.5 <3 32 1.5 <3 33 1.5 <3 34 1.5 <3 35 1.5 <3 36 1.5 <3 37 1.5 <3 38 1.5 <3 39 1.5 <3 40 1.5 <3 41 1.5 <3 42 1.5 <3 43 1.5 <3 44 1.5 <3 45 1.5 <3 46 1.5 <3 47 1.5 <3 1.7 9 ue 15.3 pg/1 33.8 pg/1 Facility Name = City of Washington WWTP Parameter = NPDES # = NC0020648 Standard = Qw (MGD) = 7Q10s (cfs)= IWC (%) = 3.2 Tidal 100.00 FINAL RESULTS Mercury Max. Pred Cw 0 Allowable Cw 0.0 Mercury 0.0120 p n BDL=1/2DL Actual Data RESULTS 1 0.1 <0.2 Std Dev. 3.1414E-09 2 0.1 <0.2 Mean 0.1 3 0.1 <0.2 C.V. 3.1414E-08 4 0.1 <0.2 5 0.1 <0.2 6 0.1 <0.2 Mult Factor = 7 0.1 <0.2 Max. Value 8 0.1 <0.2 Max. Pred Cw 9 0.1 <0.2 Allowable Cw 10 0.1 <0.2 11 0.1 <0.2 12 0.1 <0.2 13 0.1 <0.2 14 0.1 <0.2 15 0.1 <0.2 16 0.1 <0.2 17 0.1 <0.2 18 0.1 <0.2 19 0.1 <0.2 20 0.1 <0.2 21 0.1 <0.2 22 0.1 <0.2 23 0.1 <0.2 24 0.1 <0.2 25 0.1 <0.2 26 0.1 <0.2 27 0.1 <0.2 28 0.1 <0.2 29 0.1 <0.2 30 0.1 <0.2 31 0.1 <0.2 32 0.1 <0.2 33 0.1 <0.2 34 0.1 <0.2 35 0.1 <0.2 36 0.1 <0.2 37 0.1 <0.2 38 0.1 <0.2 39 0.1 <0.2 40 0.1 <0.2 41 0.1 <0.2 42 0.1 <0.2 43 0.1 <0.2 44 0.1 <0.2 45 0.1 <0.2 46 0.1 <0.2 0.100 pg/1 0.000 pg/1 0.0120 pg/1 Facility Name = City of Washinton WWTP NPDES # = Qw (MGD) = 7Q10s (cfs)= IWC (%) = NC0020648 3.2 Tidal 100.00 FINAL RESULTS Molybenum Max. Pred Cw Allowable Cw 0 0.0 Parameter = Molybenum Standard = 0.00 pg n BDL=1/2DL Actual Data RESULTS 1 <5 Std Dev. #DIV/0! 2 <5 Mean #DIV/0! 3 <5 C.V. #DIV/0! 4 <5 5 <5 6 5 Mult Factor = 7 5 Max. Value 8 <5 Max. Pred Cs 9 <5 Allowable Cw 10 <5 11 10 12 <5 13 <5 14 17 15 <5 16 <5 17 <5 18 <5 19 <5 20 <5 21 6 22 <5 23 <5 24 <5 25 <5 26 <5 27 <5 28 <5 29 15 30 <5 31 <5 32 <5 33 <5 34 <5 35 <5 36 <5 37 <5 38 <5 39 <5 40 <5 41 <5 42 <5 43 <5 44 <5 45 <5 46 <5 0 pg/1 0 pg/1 0.0 pg/1 facility Name = NPDES # = Qw (MGD) = 7Q10s (cfs)= IWC (%) = City of Washington W NC0020648 3.2 Tidal 100.00 FINAL RESULTS Nickel Max. Pred Cw Allowable Cw 0 261.0 TP Parameter = Standard = Nickel 261 n BDL=1/2DL Actual Data RESULTS 1 2.5 <5 Std Dev. 2 2.5 <5 Mean 3 2.5 <5 C.V. 4 2.5 <5 5 2.5 <5 6 2.5 <5 Mull Factor = 7 2.5 <5 Max. Value 8 2.5 <5 Max. Pred Cv 9 2.5 <5 Allowable Cw 10 2.5 <5 11 2.5 <5 12 2.5 <5 13 2.5 <5 14 2.5 <5 15 2.5 <5 16 2.5 <5 17 2.5 <5 18 2.5 <5 19 2.5 <5 20 2.5 <5 21 2.5 <5 22 2.5 <5 23 2.5 <5 24 2.5 <5 25 2.5 <5 26 2.5 <5 27 2.5 <5 28 2.5 <5 29 2.5 <5 30 2.5 <5 31 2.5 <5 32 2.5 <5 33 2.5 <5 34 2.5 <5 35 2.5 <5 36 2.5 <5 37 2.5 <5 38 2.5 <5 39 2.5 <5 40 2.5 <5 41 2.5 <5 42 2.5 <5 43 2.5 <5 44 2.5 <5 45 2.5 <5 46 2.5 <5 47 2.5 <5 0 2.5 0 2.5 pg/1 0 pg/1 261.0 pg/1 Facility Name = City of Washington WWTP Parameter = NPDES # = Standard = Qw (MGD) = 7Q10s (cfs)= ITC (%) _ NC0020648 3.2 Tidal 100.00 FINAL RESULTS Silver Max. Pred Cw Allowable Cw 3.9 1.2 Silver 1.23 17, p n BDL=II2DL Actual Data RESULTS 1 1.0 <2 Std Dev. 0.29488391 2 1.0 <2 Mean 1.04347826 3 1.0 <2 C.V. 0.28259708 4 1.0 <2 5 1.0 <2 6 1.0 <2 Mult Factor = 7 1.0 <2 Max. Value 8 1.0 <2 Max. Pred Cw 9 1.0 <2 Allowable Cw 10 1.0 <2 11 1.0 <2 12 1.0 <2 13 1.0 <2 14 1.0 <2 15 1.0 <2 16 1.0 <2 17 1.0 <2 18 1.0 <2 19 1.0 <2 20 1.0 <2 21 3.0 3 22 1.0 <2 23 1.0 <2 24 1.0 <2 25 1.0 <2 26 1.0 <2 27 1.0 <2 28 1.0 <2 29 1.0 <2 30 1.0 <2 31 1.0 <2 32 1.0 <2 33 1.0 <2 34 1.0 <2 35 1.0 <2 36 1.0 <2 37 1.0 <2 38 1.0 <2 39 1.0 <2 40 1.0 <2 41 1.0 <2 42 1.0 <2 43 1.0 <2 44 1.0 <2 45 1.0 <2 46 1.0 <2 1.3 3 pgri 3.9 pg/1 1.2 pg/1 Facility Name = City of Washington WWTP Parameter = NPDES # = Standard = Qw (MGD) = 7Q10s (cfs)= IWC (%) = NC0020648 3.2 Tidal 100.00 FINAL RESULTS Zinc Max. Pred Cw Allowable Cw 254.4 67.0 Zinc 67 n BDL=1/2DL Actual Data RESULTS 1 27 27 Std Dev. 20.6794637 2 22 22 Mean 39.5978261 3 24 24 C.V. 0.52223735 4 35 35 5 41 41 6 45 45 Mult Factor = 7 30 30 Max. Value 8 35 35 Max. Pred Cw 9 25 25 Allowable Cw 10 35 35 11 35 35 12 29 29 13 45 45 14 41 41 15 46 46 16 36 36 17 47 47 18 43 43 19 38 38 20 40 40 21 159 159 22 34 34 23 31 31 24 50 50 25 51 51 26 48 48 27 47 47 28 40 40 29 45 45 30 48 48 31 50 50 32 17 17 33 39 39 34 2.5 <5 35 49 49 36 45 45 37 30 30 38 27 27 39 32 32 40 38 38 41 19 19 42 45 45 43 46 46 44 30 30 45 42 42 46 38 38 1.6 159 pg/1 254.4 pg/1 67.0 pg/1 a MECHANICAL SCREENING 0 2 trots o t tslWee3 Sereenlnps GRIT REMOVAL o2Unite o Aerated with scree washer TO LANDFILL Grit Alr AERATION BASIN o .455 NO o Coarse Bubble Diffusers Air Alr OXIDATION DITCH o 1.8ND o Draft TLAe/DIffUSer Aeration Alt 1 Air BLOWER BUILDINGS Lime Slurry Supernatant Scow POLYMER FINAL CLARIFIERS o 3 1J4l%S o 65• Diameter o 13-fh Me Nail o 482 OFR ALUM RAS ® NAS 3.2 090 • LIME Lime SIUrry ® = PUMPING STATIONS METHANOL EFFLUENT FILTRATION/ DENITRIFICATION 0 3 Units o 330 ft? Each o 2.24 ppm/ft2 CHLORINE SULFUR DIOXIDE TREATED EFFLUENT TO IINSPINNINGOAL DUSTRIAL FOR REUSE CHL DEICHLONE RINATIONION/[....... 0 30 Nlnutes Detention Ilse Finer Backwash SLUDGE STRBLI ZATI ON/ THICKENING STORAGE 'LAGOONS o FOUr Basins o .45 MC EOCf I--]EFFLUENT REUSE PS REAERATION o One 7.5 hp sutroce Aerator RIVER: DISCHARGE PIPE • SLUDGE TO LAND APPLICATION PROJECT N0. 19975 CAUSTIC 1131adiC&1Vatcf Asbeggo. North Caro no CITY OF WASHINGTON, N.C. WASTEWATER FACILITIES IMPROVEMENTS FIGURE A WWTP PROCESS SCHEMATIC City of Washington WWTP NC0020648 EXISTING WASTEWATER TREATMENT PLANT FACILITIES The Wastewater Treatment Plant was built in 1986 and upgraded in 1994 and has an ave. day max. month capacity of 3.2 mgd. The plant uses an oxidation ditch modified for nutrient removal by the use of alum and tertiary filters. EXISTING WASTEWATER TREATMENT PLANT FACILITIES Screening Grit Removal Oxidation Ditch Tank Total Flow 3.2 mgd 2-mechanical bar screens, 1-inch spacing, front cleaned, front returned 2-rectangular aerated grit removal, air lift with screw grit washer; PD blower located in the Blower Building 25' x 645' x 15' SWD, volume 1.80 mg; Detention, 13.5 hrs. @ 3.2 mgd Flow 60% + 40% = 3.2 mgd Oxidation Ditch Aeration System 2-platform mounted draft tube mixers and coarse bubble diffusers; 125 hp @ 1,200 rpm Blowers - Draft Tube 2 - 750 scfm PD blowers 2 - 550 scfm PD blowers Blowers - Diffusers 4 - 1,000 cfm PD blowers 192 coarse bubble diffusers Aeration Basin 38' x 109' x 15' SWD, Volume 0.465 mg (Converted Digestor) Detention 3.5 hrs. @ 3.2 mgd Flow 40% of 3.2 mgd 2430 scfm air supply from diffuser blower Clarifiers Filter Pump Station 3 - 65 ft. dia., center feed, peripheral weirs, with full surface skimmers; area 3,318 sf 2@13'SWD, 1@15'ISWD Overflow rate 321 gpd/ft2 @ 3.2 mgd 4 - submersible pumps with pipe rotation basin wet well 600- 1,500 gpm @ 21' TDH Page 1 of 3 City of Washington ww7P NC0020648 Denitrification Filters 3 - 9.5 x 35 = 332.5 sf ea. 3.2 mgd x 694 = 2.23 gpm/sf 997.5 sf ra? 8.0 mid x 694 = 8.32 gpm/sf 997.5 sf Backwash Pumps 2 - submersible 2,000 gpm ® 35' TDH Backwash Blowers 2 - P.D.Blowers 1,660 cfm @ 10 psi Methanol Storage 10,200 gal. steel tank 10' dia. x 17.5' height Methanol Feed Pump 0-15 gph ® 40 psi Filter Clear Well 1,608 gal. 33 x 21.5 x 10 Chlorine Feeders Chlorine Storage Chlorine Contact Basins Dechlorination Reaeration Basin 2 - remote vacuum, variable orifice, auto switchover, 500 lb./day 2 - 2,000 lbs. cylinders w/4,0001b. load cells 2 - lbs. space cylinders 2- 15 x 30 x 7.65 SWD Volume - 20,900 gallons each Detention - 30 min. ® 3.2 mgd 2 - sulfur dioxide feeders, 200 lbs./day 2 - 150 lb. cylinders 1-29x31 x6.16 SWD Volume - 41, 400 gals. Detention, min. -18.6 @ 3.2 mgd 1 - Floating, high speed,mechanical aerator 7.5 hp Effluent Pump Station 5 - vertical mixed flow pumps 1,900 gpm @ 25' TDH Page 2 of 3 City of Washington WWIP NC0020648 Effluent Force Main Return Sludge Pumps Clarifier 1 & 2 Sludge Storage Lagoons Sludge Transfer Pumps Supernatant Pumps Sludge Loadin& Pumps Lime System 24" 2- Horizontal, centrifugal belt drive, 2-speed 1050gpm @22' 690 gpm @ 14 4 - 450,000 gallons @ 8 ft. max. depth 2 for sludge, 1 for backwash & 1 for National Spinning Sludge 2 - Vertical, Centrifugal 650 gpm @ 26' TDH 2 - Horizontal, centrifugal 200 gpm @ 20' TDH 6,000 gal. sludge tank 25 hp vacuum pump For alkalinity control at oxidation ditch influent Hydrated lime silo, 2,940 cf 1,680 lbs./hr screw feeder, 750 gal. slurry tank 2 - air diaphragm pumps @ 15 gpm Page 3 of 3 Potential Facility Changes Information taken from Preliminary Engineering Report dated March 1999 Washington Sewer Study - PER 3/99 7.0 PLANT DEFICIENCIES 7.1 GENERAL The plant needs additional clarifier, filter capacity now to handle the current peak flows. The filter mud well is inadequate to hold multiple backwashes during peak flows. Additional storage could be obtained by converting all abandoned clarifiers to backwash storage. With the peak flow modifications, the Treatment Plant capacity could be increased to 3.65 mgd and the plant would operate more efficiently. An additional oxidation ditch will be needed in the future to provide parallel units as required by the new regulations. With the additional oxidation ditch, the plant flow could be increased to 4.50 mgd and handle flow through 2010. The City of Washington also wants to change to UV disinfection to improve safety. 7.2 PEAK FLOWS The operational data indicates that solids wash out of the clarifier and the filters go into repeated backwash when the flow exceeds the 3.2 mgd plant design capacity for more than a few hours. Refer to the circular Chart Recorder data in the Appendix to see visually how flows over 3.2 mgd cause multiple backwashes over a short period of time. On 4/9/99, the flow exceed 3.2 mgd and filters began backwashing. Over the next 9 hours, the flow stayed between 4.5 and 05.5 mgd, and there were 8 backwashes. There were times when the effluent peaks exceeded the influent peaks as filters went through backwash. A similar instance occurred on 8/27/98, when the flow varied from 3.2 mgd to 3.8 mgd and 6 backwashes occurred over 10 hours. The clarifier overflow rate and the filter rate need to be reduced to improve performance at peak flows. 7.3 CLARIFIERS The clarifier overflow rate at 3.2 mgd is 320 gpd/sf. By adding another clarifier, the plant capacity could be increased to 3.65 mgd and still keep the overflow rate to 275 gpd/sf. This would significantly improve the ability of the clarifiers to retain solids. When the plant flow is increased to 4.5 mgd, a total of 5 - 65' dia. clarifiers would be needed to keep the overflow rate to 271 gpd/sf. P:\Muni\Wash\W&SStdy\PER\WSSPER Page 14 Washington Sewer Study - PER 3/99 7.4 FILTERS At plant design flow of 3.2 mgd, the filter rate is 2.2 gpm/sf and the plant experiences major problems in this range and above with multiple backwashes in a short period time. By adding one more filter, the filter rate drops to 1.666 gpm/sf. By adding 1 more filter and increasing the design flow to 3.65 mgd, the filter rate becomes 1.90 gpm/sf. Adding 2 more filters and increasing the flow to 4.5 mgd changes the filter rate to 1.80 gpm/sf. In order to improve the flow to and from the filters, the filter feed pumps will have to be upgraded and fitted with variable frequency drives. A new filter feed pump station will be provided for the new clarifier(s). The filters will have to be modified to equalize flow between filters by cutting a notch in the wall between filters. If the remaining filters can't handle the flows while one filter is being backwashed, the excess flow will go to the backwash mud well. The filter controls will be modified to throttle the filter effluent valves when a newly backwashed filter comes on line to a rate similar to the filter pump. The PLC in the filter controls will be modified to compose the filter pump flow and the plant effluent flow and throttle the newly cleaned filter to keep the total effluent flow within 10% of the filter influent flow. 7.5 MAINTENANCE - STORAGE BUILDING The WWTP does not have adequate space for maintenance and storage at the WWTP. A metal building with space for repairs, storage and maintenance personnel workspace and offices is needed. 8.0 RECOMMENDATIONS 8.1 PHASE 1 IMMEDIATE NEEDS • The City of Washington should proceed with the Phase 1 upgrade discussed in this report to solve the immediate flow related deficiencies. The Total Project Cost is given on Table 10. This will allow a small increase in flow which will provide time to prepare for the Phase 2 expansion for the year 2010. The City of Washington qualifies for high unit cost grants which would provide $3,000,000 in grants for this project. 8.2 PHASE 2 FUTURE NEEDS The City of Washington should continue to plan for an expansion for 2010 including a parallel oxidation ditch and Ultraviolet Disinfection. Washington should also continue with the current I/I program to identify cost effective reductions in I/I. P:1Muni\Wash\W&SStdy\PER\WSSPER Page 15 Washington Sewer Study - PER 3/99 8.3 FUTURE CONSTRUCTION The City of Washington should make any cost effective corrections in the collection system to reduce UI. Washington should plan for and encourage sewer extension to serve Whichard's Beach and Washington Park as discussed in the 1975 201 Facilities Plan as soon as funds are available that provide sewer at a reasonable user cost. Washington should plan for sewer to areas recommended for annexation in the Land Use Plan and new residential developments such as the 400 unit mobile home park north of the City. 8.4 FUTURE PLANNING Since the 5th and Respess Pump Station handles the majority of the wastewater flow for the City, we recommend that Washington acquire additional land adjacent to the existing facilities for future expansion and improvements to the station. • P:1Muni\Wash\W&SStdy\PER\WSSPER Page 16 Washington Sewer Study - PER 3/99 TABLE 9 PROPOSED WASTEWATER TREATMENT PLANT FACILITIES Additional Clarifiers & Return Sludge P.S. 2 - new 65' dia or 1 - 92' dia. Overflow rate @ 3.65 mgd - 220 gpd/sf Phase 1 3,650,000 = 220 gpd/sf 5 x 3,318 Overflow rate @ 4.5 mgd - 271 gpd/sf Phase 2 4,500 gpd = 271 gpd/sf 3x3,318+2x3,318 Filter Pump Station Modifications VFD Drives & Flow Controls Filter Modifications Additional Filters & Filter Pump Modify Valves, Controls & Tanks 2 - new filters Filter rate @ 4.5 mgd - 1.88 gpm/sf 4.5 mgd x 694 = 1.88 gpm/sf 1,663 Maintenance 30' x 60' Metal Building - Storage Building P:IMuni\Wash\W&SStdy1PER\WSSPER Page 17 LONG TERM MONITORING PLAN REQUEST FORM FACILITY: City of Washington WWTP NPDES NO.: NC0020648 EXPIRATION DA 3/31/00 REGION: WaRO P&E REQUESTOI Michael Myers PRETREATMENT CONTAC1Tom Poe DATE OF REQUE 1/7/00 INDICATE THE STATUS OF PRETREATMENT PROGRAM: Unknown 1) THE FACILITY HAS NO SIU'S AND SHOULD NOT HAVE PRETREATMENT LANGUAGE 2) THE FACILITY HAS OR IS DEVELOPING A PREATREATMENT PROGRAM. 3) ADDITIONAL CONDITIONS REGARDING THE PRETREATMENT PROGRAM ATTACHED. PERMITTED FLO\ 3.2 MGD % INDUSTRIAL 16% % DOMESTIC 84% Pretreatment Unit Staff (Region) Bo McMinn (WSRO) Tom Poe (FRO, ARO, WiRO) Dana Folley (RRO, WaRO) Joe Pearce (MRO) rilltt - 1* ,b7 V 541r ' ; CV ci c i 1v,1il, / c�V, ��,M� ,Se, Al �lcN>ff g T$: /1/,,1116 > Dom, TK,, 77/, Tim 1442 thjc22 i' �' » 1iYyZ_ Appal 4B. Rumple LTMPSvalmay Data Ram NPD>SINOND1 SAMPLE PCI1W NAME= C 15 ail WAS A , Ar oA., kil vTP �.xG1�P tars= QP 0 Cc' A' LAC�►7i�t E Ju epa Below Detection Limit Data (EDP.) should be marked as "< and the detection limit", i.e. O.O2. SAMPLE DAM 1 2 3 4 F n /� 5 5-0 CAM 6 7 -0g 8 - 9 l0 P II 12 13 14 15 16 1T LB 19 20 I� 1 -I 0 - 1-q 6)10/2. * TOTAL= 6 VALAES = AVERAGE= MAXIMUM MINIMUM = A.e613 4- c. PotiurAttir• 1 POLLUTANT �- O.60 eirgsc1. r1. POILU CA NT = 4NS iif iffa 31 cif . 3I: . 3314 Jag $22 1 o. I.3a (7, 2 14 Po] Q ANT °t.0 POLLUTANT A/a3-4/ 0.� 0,0301 4 in. 0 0, 63 •y 1 .c.a a f POLLUTANZ _gyp 4 POLLMArrr • 5 0. 37 (o.3 f A 1 4._ 1 10- BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (Le. 0,112 DETECTION LIMIT, THE DETECTION LBW). Chapter: LTMP Guidance Fikasr c LIMP data sum Revision Data: September 41993 f -T N q.5- 9q ow 7/L Oi4 Appendix. 48 Page 1 - c 0 11 • - �I�F� -u N • 6~ c TW NAME NPDESINONOISCIIARcemoor • i SAMPLE LOCATION o Long Tam Mo Ouid nce Appaidix 4-B. Rumpk LTPSttrnmo3 Dab Foreri C + 4ail WdS A rAv3/ 4 . i vLvTP1 era Below Detection Limit Data (BDL) should be marked as "< and the detection limit", i.e. <0.002. a 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 .40, era: 401003 co,flroA-(70. s r .: i •� 0, no -o, o,_ TOTAL z. 4 VALUES AVERAGE MAXIMUM = MINIMUM ©. 00..7 1,0.00 ►05 D.O6G zo, Oa5 .40.•01 0,003 4., r 040-1. O.no3 e;-0 3Y5- 1.0 , 0 0 3 G.d o .5 Ow • 30 / rr .LOJO& 40, o.as r P 05 5 ,_Q, 003 401005 Gvtf/Z.) zo.aC3 40,0o3 L0 036 I�- 404 003 3 c NMI IVRr1 II t 4.0,0V Irrs s ► _ Ls 00 2 BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. I/2 DETECTION LIMIT, THE DETECTION LIMIT). Chapter: LTMP G uidan c MN= LIMP data sum Revision Data September 2,1993 Chapter4 Appcndii 4B Page l •Iq WAa L = • cn -D W 1- POTW NAME = ChM(' Long Taem Monitoring Jew Guidance Appendix 4-B. maple LTPAP Sti n nary Daum Fong , 4 off' Was Ar n.571oA. tAitvTP tsc�tARc� � C 0o 1. 0 612' SAMPLE LOCATION = I F'�'f U ,a,, NPDESINONn PERMIT Below Detection Limit Data (BDL) should be marked as "< and the detection lit", le, <0.002. SAMPLE. DATE l i- I2-4 ct 2 2,6-aq 3 3-2.3..4 4 6 s 9 0 11 12. I3 IS 14 6 17 1a 19 20 (erftt/Z.) c PLOW _ POLLITTANT= POULUr1 ANT= hSP,v � c 449.005 40'.00.4 / O 00S POLLUTANT'. lIOLL[TrANT=/1014 .261;C.41 L0, 00 .�o,an ,0o.3 , 000 , 40. 005 S 0 op. 4.0,00S Q.00 L O. 0002 LO100001 ,moo, on .015 L0iOO ..o. Q O .� 0r Oa O.00 , POLLUTANT s Zatij h0400 .torog POU..IJfANT POLLUTANT • POId7TANT: -coos i ..0205 .La.000 & 4 az Op l -0 r 000 & 4¢, 00 <Q, coo Ltd 005 40.oace 4 605 Q,coo 46001 .LQ.OD ZaOn �. o, o0 r1. nno • Ln, 00 s O. 0 0.5 TOTAL = 1 VALUES AVERAGE MAXIMUM = MINIMUM = .O,O6 o a. aQ..5 I i..o 005 40.003, .4D.0G0 I 40 o .y .40.n 0 I2la .40,O0S 0 V-5 L 100S' . ,Qvv 2 .4.0, Q05 . od o a .Z-0, 65 R 40,000.2 .'Dr00.S d7, 00S BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e, 0,112 DETECTION LIMIT, THE DEl'ECIION anytr. LTb1P Guide= Fiknie: LIMP dash spurn Revisit" Date: September 1,1993 Mow 4 Appetidki 4-5 Pagel 0 3 u;IN �0 N ss Lacs =Len Gaidame Appau 4-11. Ewmp1e LTIiW Sumin 'y Data Pam EOTW NAME = NPDESINONDISCHARGE PERIAT 4 = SAMPLE LOCATION N 4-: of Was Arkg/o&. LPdk,TP. I/T ooI 64f fl1, Below Detection Limit DM (BDL) should be IDarked as "t.aad the detection limit", Le. 2- I SAMPLEDA1E PLOW= 11' 12 12 14 is 16 17 16 L9 i — 0-q POLLITI'Al T s foO. Q3 POLLUTANT= Cp q �t 337 Li. to POLLUTANT 7%tf1/ 31.53 3.$ 0S6 3d111 �Poturr� �aoci- 0. 0 'mg OM 011 3 05. Ght/Z. UTANT • 1 PoLWlANT g.1.qCr 33.1) I 11. l�w VJ 7 ILO XrST, S. $t,r 1 0.o2 r • 0.3 4' -D'f4 R Atiks PowiTANT= 0 1 3 5g 17.5- '7f �13 TaTAL. •i • VALUES AVERAGE MAXIMUM = MINIMUM = 1035 1.1 1.3 5,n :;1u.554 C.1 3 , af3' Iq,16S eats 0.115? 6.23. 1 o •tea. 1 3A.a1a 1R.TM 11,LI61 s')*.6 12 `1:77 2.5 6 ta. 1S 3 gt 1 BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (Le, 0,1/2 DETECI'ii ON LII]T, THE DETECTION LIM1T). Chaplet: LIMP Guidance Ft1c me: LIME data sum Revision Dale: September 1..1493 Quptet4 A►ppemdix 4-B Pagel s -Y ■ : 0 3 ; N m long Tenn bi��tan tina Warne Appendix 4-8. Exemplar...re Sammy Darn. Fain i 3 4 $ 6 . POTW NAME = NPDPS MONDISc 1M.RGEPMar•= SAMPLE LOCK LON = C :147 01 WAS 41 4140n, ivimTP Oo DPI Below Detection Limit Data (BDL) shoutd be marked as "< and the detection limit', i.e. O.002. SAMPLE DAM 0-R u= ;-q4 q Ala to 10-1 11 1 I -1 a SLOW • MOLL- TANT = POLLUTANT = ' POoLurrA N-r a,, C. 400Q� 0,0oL O. 9.. 11. 00 ara 7. Pawnfig 1. tea, ao too -f nad03 ± t zA 4.8„e -q q 12 ui-o"7-4q 13 14 13 16 17 l4 19 2D Qrio 4:i s _) L»43,a0!R -�s LP' OneViagt POLLUTANT. POLLUTANT ■ POLLUTANT = 8. i21.o kno§ Q: 81 (144 n.ff.nri ttrolcj ably meow 4040 tr•rommwict . • 01 0 nor 0 a go D, 8r44 0.0 , oo1 0 00 fit. 4.0.0 ca Crit0/4 PoLttrrANT: 7 P LUTArrr= O.al f0 Q� TOTAL= A VALUES = AVERAGE = MAXIMUM = MINIMUM •4 11 :11A- g.ggia no..gra a, oaf 1.0 I ..+ram. o o La. o ro, cis s 01 0 1 -0. n t 4 ()i OQS 12d. oos i OEN O, si3. p1 n.o1 0 q� • OO 003 1 p005 BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. 0,1/2 DETECTION LIMIT, THE DEfECIION LIIUIIT).. chapter: LIMP Guidance Fikrra nc: LIMP dW sum Reviiinn Date: September 1.1993 Chaptard Appe . d-B Peel LI'Wa • co '2 9 D tn en 3 6 a 9 OW( lgeni Teem hicatoeins All Guidance Appendix 4-11. Exaepla LIMP Seams► Data Facet POTW NAME C t� ailWAS A. �Ir5AL• �NU/TP NPDFSn4OND!SCNARGEPERMIT N a M C as 6tti sAMPr.E LocA-noN = Below Detection Limit Data (BDL) should be merited as "< and the detection limit", i.e. <0.002. SAMPLEDATE FLOW 40 0q-g4 1-o s - R °1-014- sol f�-04 --99 i•1 1 I -to-4(P 12 0 2-44 13 Li 14 16 17 16 19 20 Cirt$4/4 POLLUTANT POLLUTANT TC. rSe►J'ie. W,00 40'QQ 404 4i,QO IO,cro LQcOLI Lei 00 4- 0109 L COIS .[,O. 00ri8; Fog �.0,AO GONg 1.0,G005 POLW ANr=_ 1 fPOfLLUJTANT is 02L�PCI'�-}!l���Hltr 0.20 LA__QM S u.(1003 � .�j moo. 70 2 .000 1,0 U0 � � t00 �,. 1fl 1-0 * O. COS .� . Q12(A L.0'SO p LO,OooA 1 hC 0t L0,00 La QQ000- .4.0100 • La.UQO2 4n.00 40,000J. 40ggS cx.013. rL S L c�.33 POILUTA NT s VOLurrAI TP • POf WTANt' as POLLUTANT. • 0.00:5 2.0, a 4O no s Ut 40.00 40.00 CTi 00 4.O.00S 40.00 s 4004.0,90 i! 1.01 40. 003 TOTAL z � VALUES AVERAGE = )4AXIMUM MINIMUM = .LO,060 No Gil 0, 0 021 0,06(a 1O.o�OS 4L . Qos 1 �. 04.S 0. oPa3 G. oo S 44905 G 0 Q003 atoo°. 1 rid)0 5 ACM-5 005 4 o, OQ . 4p. OQ 5 BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. 0,1/2 DETECTION LIMIT, THE DEFECTION LIMIT). Tapia: LIMP Guidaaa F ssxnc: LIMP dw. futil ih 4 Revision Dais: September 1. 1993 Appetdis 4B Pigs 1 ' -- 6ZSZ WO 3 4 5 6 7 -., --'ik 1t �IL1-q 9 it~t in--11-. eta 12 L cfg- 13 14 IS 16 17 1$ 19 TOTAL. VALUES= AVERAGE MAXIMUM = MINIMUM cr auk Lang Tee Maiming Pke Cilkla zee Appmdi. 4-8. EaaeapIC LIMP Sam Data Perm NPDES{NONDISCHAttGE PERMIT r = POTIV NAME _+ C . 45 oil WAS A Lk /Dam itvemTP Below Detection Limit Data (BDL) should be marked as "<andthe detection limit", i.e. <0.0a2. C--01 /Z. ) POLLUTANT:1 POU.Ui*N T : POLLUTANT = PaLJ.UI'ANT= • • : • POLLUTANT • POLLUTANT: iTANT:. POLLUTANTa tic IMF fi r INVIAVIENIMIUmmi E ewai , . . 6 oi,, mim-upth. ..mi mow. ma&f, ..70111111MoNlif ME 111P111111MIWAXIMMI� '. SSA i L4.(4 2.3 im 0.i2. C. *i3 Q.0 BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e.. 0, i/2 DETECTION LIMIT, THE DETECTION LIMIT). der. LIMP Guidance Fkns= LIMP data sum 'ttevisian Dais $epiaaba 1.1993 Claps 4 Appendix 4=B Page ' M.rs21M5i.PW • Eta Wag Term P4orteno Girding Appendix 4-B. Extenple MCP Summary Data Fong Party NAMR C i 44) 01 4 S A, A. 0A� iwJA.'TP NPDPS, ONDISCHARGEPERMIT/ s 4� ft0 9. 0 Ct f SAMPLEuoCA1T.ONu g eisie Below Detection Limn Data (BDL) should be marked as "< and the detection ilinit", i.e. <0.002. SAMPLE DATE '43 2 4 5 6 7 8 14 l5 16 37 ]9 a �: qg • ▪ 41. POLLUTANT= POLLUTANT I �e 0. Oot L • • 00 r r 401 on el POLLUTANT= z tvs a, UO,S .,0loOS e• POLLUTANT . POLLUTANT• 40,.DQ.7 La ca., Op 5 40.003 4 Oo41 .4 010DS 0 kJ. 40tin _, •0 O1ad 40,00 S 1 1,0 • .00 s moo.• f Zn.onr Z.00Q_ • .t Z.:OA./S 4. 0. • ,00 0,120 • I i .,Q, 00,S Glit/4) POLLUTANT , I POLLUTANT .� Qt 003 d• , 0�c 4 o 3 .eof 0 _ dr I I. w POLLUTANT', 40,00.2 it V)Da p,pso 417. I I / t ti♦ L.04 71Q •D 40.01.2 .003 �� • 0, ,�a i s . 4. 0 00.2 r TOTAL • VALUES AVERAGE = MAX MUM ■ MINIMUM $ �t LQ.001k -71 LO.oc O, Ot o.ic� z 0.�n LDiOa mo, oci OS 40,00 LO.O& t9 0C 40, LG. X'- r�- 11. f �• r. Q. �o,�a _ j 05 r— 40,00 400o3 , zoi 0 05 _ Lri,Do.2%-• BDL DATA USED FOIL AVERAGES ARE ESTIMATED TO BE: (Le. 0,1/2 DETECTION LIMIT, THE DETECTION MITT). apt LT PGuida3oo Fken= LTMP data sum Ravid=Date: September I, 1993 Cluiptor 4 .Appendix 4-B Pape I I�I � 121 0 U3 cg c.n auPir • Lang Term Maaiteniat rims G t idrrme Appendix 4-13. Ex■mple•LiMP Smeary Data Foam POW NAME NPDESINOND1SCHARGEPERMIT = C:i5 of Mu 4, I1'C00?..oCt4r N/PA kvbvTP SAMPLE LOCATION = EMtie Ant Below Detection Limit Data. (BDL) should be marked as "< and the detection limit", i.e. <0.002. SAMiI D.ATE 1 3 4 L4—f • ft s _543-4 7 9 t 10 11 1219: 13 Ll 15 36 171 la 19 20 p1_ow = i pi -I3- 4g POLLUTANT= ...r. L. Al . 0r, 00 l.;7 qg .p0 no .ca aat5 i POLLtUTANT= 40, 01). O.0 POLLUTANT = Prue if '9.0oy_ . �a.Ooa� igt. .�,�Ii.r1no I Z0.00 . ,G.. 0r 000 A. Zcia ad . 00' 40 . Qg0 40i70 . 0. Qoa .00 q . noa0. noa s 4.daon POLLUTANT • fdd&tug Ghtk) POLLUTANT • POLLUTANT tUTANT • POLLUTANT • 1 O.i0 OtOej 00o s •1 S < i O .tn . oe_5 Q, oos .4o. no t o, 01 toi60.E <0. 0 03 0.400 cr. POLLUTANT a Q0-7 I TOTAL = • VALUES= AVERAGE: MAx]MUM = MINIMUM = 1 LR,00s LDi005 .c . .�Caon.< Iorn L n. 0175 .G Q r1( 9, IQ r2. 0.0002 - .Cd O. 1. OO D oO 2 Z. a. otia9 LO,D4 o.Oak &co.? L BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (Le. 0, 1/2 DETECTION LIMIT, THE DETECTION LIMIT). Chapter: LIMP Guidance. File L.TMP4ata sum R mask a Date: Sepstmba I, 1993 Chaphi4 Apr:Wit 4-8 Pagel • Cren • .�1litq r• 3 4 6 7 'lo Tam Mon>;antt Piss C1Qidaayoo Appendix 4-B. Rumple L Th1P Sir Data Foam FEW NAME C: aj S WAS pfr.5/a4_, Wiryrig NPDE INOND1SC1{A.RGE PERM1T. ; iticoalcatir SAMPLE e w Below Detection Limit Data (BDL) should be marked as "< and the detection limit", i.e. <0.002. SAMPLE DATE gum —q 9 9 -16-4 so 1 -t3- q 11 1- eigiF 13 14' 1316 17 18 19 2 FLOW: POLLUTANT= OD POLLUTANT ��$ 9 Li 0,0 ISA POLLUTANT= u 44 POLLUTANT s �lAo Al . • ! • a 0.1 11 1; • 4.0 3O 4 F,t: PO .3 Ght/Z.) POILUTANr. A 1 2 POLLUTAPIT= ^ POLLRTi'AN T= LP -rgs I2 1 f' 10 5 • TOTAL = 1 VALUES AVERAGE MAXIMUM! zP MINIMUM = 11 1 J 5gOh -- 10 3 00. 14 +% 2Q..61 xi 1t Q,c,f �1.53 19 g BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. 0,112 DETECTION LIMIT, THE DETECT ION LIMIT). Clap = LIMP Guidance Fi en= LIMP dam sum Rcvisioa Daz September I.1993 Caput 4 Appal& 4-B Page 1 1. 2 POW NAME = NPDESINONDISOIARGE PERMIT • is SAMPLE LOCATION = ChaPC Lam Tenn Monitoring Plan Guidance Appendix 4-B. evm.pk LIMP Stunmm Dw Form C:15 SP WAS A. tvgicA, W vYP 11/G00.0€14f Below Detection Limit Data (BDL) should be marked as "< and the detection limit", i.e. <0.002. SAMPLE DATE rr1 3 \ 3-o -Q s 13- 4 6 s 10 1.2 Id 13 15 16� 17 111 19� 2D Gm, FLOW = POLLUTANT= r9. '7, 2 POLLUTANT s I. JsLVJ2 4.11 00 40,00D AZon4-o,QP1 POLLUTANT = POLLUTANT s C. .no 4a.0a s -�. 8; Iq.0o,�' -1 ziain a61:44k.9 e ,��P.110 2c yo. b. at r�. Oat L.005 40.00 3 42 .Q13 .10. 03a2 0.Li �.nu 262 al POLLUTANT 11'���� �0. 00S 5 z on �O.DO_S n5 .. POLLUTANT lePOLLUTANT: ! Q,Oty . gaff Q. oocr r�,rat5 4.0. �3 fl. t7 0, p04 Do f.10 .aos 1100 ao 00 100 fli ni n.04w PO1..UTAIdT • tea. .dd .00 011L TOTAL = N VALUES : AVERAGE 1 MAXIMUM = MINIMUM = vait r i {t0 'kkO 4 o.oc �t z0.00 G.1 L7.QQ) 41 U . 041 E 1 .��tv )2:0. o1�{ _ 4 , �a ia.00s 0,023 i 1.0,003 0, Qc 12.. O. 00'7 1 o�: Q .I• CP? �.13� VCo ,aft D 01,2:7 'IS. BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. 0, I/2 DETECTION LIMIT, THE DE['EC'ITDN L IMLT). Ca: LIMP Guidance Filename: LIMP data win Revision Darr. September I.3993 Mon 4 Appendix 4-1I Page I ZT 'd 60E0SL62Q2 WONd • Long Teem Moulmein Pin Gtridwee 2 3 m.c Appendix 4-8. Example LTIIP Smarmy Data Fain POr1W NAME: NPDESINONDDSCHARGE PERMIT SAMPLE Lt7CA1TON = - G: Oil WAS w//A. 1A/lvTP Below Detection Limit Data (BDL) should be masked as "< and the detection limit`, i.e. c01.002. SAMPLE DATE 1-13-9 4.Wb 6 10 10-1 1 I t : j • -�9 12'to. $- 9 I3 14 13 14 11 18 19 20 FLAW r POLLUTANT = POLLUTANT o. POLLUTANT: C 1" ),.ter I.o.D s O.o .c 0►0 4040 •�a.4i0 `..C.CJ. 0.00 C (Pv/Z. POLLUTANT= -0, 00 S . 00 . 00 43.roan I.C.Doq imam g �Dooda Lr t. _ ' O 410.cr R / D.n0 a.J Mono 1 ._10.00 POLLUTANT ■ 9delVt it w 40, .Ca5 Iano9 404,90 0.00r La, &I0S );O.0o t94 00 j I COS e ,,a I.O.1 .40.00 FVWTTANT POLLUTANT POLLUTANT I TOTAL= 1 If VALUES = AVERAGE MAXIMUM zj MINIMUM ..:�, LOAO S Zo.0o S f a 063� 2. 00 .0.005 O. 00a , 00 .0 j00S 40.0004 40400 S fin.. er. BDL DATA. USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. 0, t12 DETECTION LIMIT, THE DEIECFION UNIT). Chapter LIMP Guidance) Roam: LIMP Sail sum ampler 4 Revision Date: September 1. 1993 Appendii 4-B Page VZ:VZ 00d LT 'W13.d .+ 1 tan Taro M�oar:.1a Guidance Appendie.4-B. Example LThW Sammy Data Form puny NAmgNJ\C 15 off' WA s A, Af>/01_, MWT P RB PERMIT,:iV C Q a 1. D ‘tir SAMPLE LOCATION: Below Detection Limit Data (BDL) should be marked as "< and the detection limit i.e. 002. mG.b _ SAMPLEDA1E I - - qi 2 L— i2 " PLOW . Avg Pow IL Ia 143 I ict, Ifs io-pa b_,= 1010 - — . 12 . lm515 13 14 15' I • a POILUTANT Syr POLLUTANT= n • 8,4 mamma = Pou u rulr. I renown s I09 •e_cf V Q. Q. of L3S-Low - '3, c KILawir LUTA/4? 0 • 3 • .40 1. Q 16 17 111 19 ?A t0TAL. i%orti21 M VALUES 1 S.• fliVit AXDAVERuM_ I . MINIMUM 1. 44 $1 f' O. b a, CI, I. 1 (47 c 5.8 1 6 au R t° Ls l./ 8II4 •.a LO,C L 20,01 ti -Lo. 0 t ILL 10 s37'S iL-14S 0, , 1915 Q I 0.4 1 BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (Le. 0,1/2 DETECTION LIMIT, THE DETECTION Leff). Char: I.ThP Guidance Fiisai= LIMP dux ma Revision Dna Scptearbes 1.1.993 Appendix. 413 Page 1 --{ - 0SL6zS2 WO lj_ • LongTcrm M 3ton i1I1 G1 4aoe Appendix 4-B. Example MCP Swm eery Pas Boni ppm r1AMe- c:1.5 al' %ai A.,ryia.. WW1 ]SC tARc PERMITS = A! C. 00 10 At ft SAMPLE LOCA1]O91 • EFF Below Detection Limit Data (BDL) should be marked as "< and the detection Bent", i.e. <0.002. SAMPLE DATE _ 3.3—t L-• g 4 14- 6 7 S! 9 10 11 11� 13 14 1S L6 17 18 19' 1 i2_- r TJ CPat * 1 TOM •VALUES= AVERAGE= MAXIMUM = MINIMUM. -7f PXLUT Cd t I PccurrAmr C 4 ,00a <0. 40.005 .00 40r00 POLLUTANT POLLUTANT mama b 10, 4 "7.Q 4O,0O2 1-0i00 L0,00g ,o+, oc S 40.0C 0. 40.00 . 4. , r./Io 40rOu/ 40 Orin_ 0. 00 00 0 4 DO 0 O. . 033 4- Z.0 03 ID 3 0,00 0 4.O.D ..0, o0 40, aq 4.0,O0. .L O,00S 40,005 140 C vQ mrANTo POLE. rr'APIT ■ 1 4 L r/f3 Cj:OLw Z. jOO ,03 40,00 ,0-13 4.0,00 a,C} .00 1-0 Q. 0,23 0,0 0,0 0.00 L°f00' 93.000 t 0.002 L, f3aObn fLf 00. IBDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i,e. 0.1 f2 DETEC I1ON LIMIT, THE DEFECTION LIMIT). Charm:. LTMPCnidirste Fiimtrne: LIMP data Rum Revision Dam Scpsrmnba E.1993 Chapter 4 Appgadk 4.B Pap 1 • gZ:VG 00, LT •' a IirgifiWOMBIK r NAML. NFDL'+SIN. ot1DISONARGE PERMITS SAMPLE L OCATIo91. Lad Tam 31oisa Oradea Appendix a'B. &ample LIMP Sumaisly Dau Form C {4j W4S ,/, /D4 i44, TP t/rc, oo:Ao 6%4 r Below Detection Limit Data (BDL) should be marked as "< and he detection limit', i.e. <0.0O2. SAMPLE DAIS I 4/2 3� 4j PLOW. POLLUTANT 5 it 37—'— ql7 8 ,fir- a3- 9 q.r to10 11111 — . 00 ,00 .tQ. 4Q .40,00 Lc), oo 11) 1- °17 13 :14 15 16 17 18 19 .LOr QaS 1�005 Pou JrANr• LQ4D0 LQ100 40100 40100 40, 00 40<0S zO.-oo 5 o, oa Z-0.00 f .tea, oa1 0 0 . .00 �o'00aa Y0 POUAIRANT o�00 40, 000 2 q 0 ,aua avg. 2,, pp0 Dy moo, aoox 40, aoa C Cep1/4) POV.UTANr• 1rr*12'• POLLUTANT= PIOID/iiIofr+rrr4- S At urv+._ 0 00.5 400S _ 40• Oti rou vriarr• 40.00 _ 40.00 S. . 01900P A41,00 142i Ow I .Loeoo. ZO, coo a. ar. 40.60 oa 40.00E Z.o.U0 -d-O, 00 .10.00 2e • TOTAL VALUES AVERAGE • MAXIMUM ■ MINIMUM ■ BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. 0,1/2 DETECTION LIMIT, THE DETECIION LIM T). ampial MP Ream: LIMP dies sas Casper 4 Rnr1:1oi D11c Sotember 1.1993 I LZ:i1T 00. LT NPD131140141iSQlARGB1aF1tM1Ti= c POW/ NAME; Loci Team M �tlan Guidance Appendix 4-13. Example LIMP Summery OForm rm C:15 oil WAS A. kJQ� ,., 'u TP ` %i, . 0 0 0 eV R. A,8C SAM1AA11ON =1 Z1,I 1 Below Detection Limit Data (BDL) should be marked as "< and the detection limit", i.e. <01.002. 11 1 13 14 15 L6 17 Col& ) BDL. DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. 0,1 /2 DETECTION LIMIT, THE OSTECTION LIMIT'). Mow LtMPGuidance Pik : LIMPdass sum Rion Date: SepIslaber 1,1993 Clo pima 4e L , r- a. 0 664 y.9 7 m 0 3 -U Loc Tom M " tiara Guiding Appcatrix 4-11. Example LTMP S =unary Disa Farm r 2 3 4 s 6 7 1 poly NAME: SAMPLE LOCATION: 10 13 C ic7 c Was Ai •.54A, I 'k# P Below Detection Limit Data (BDL) :should be marked as "< and the detection limit", Lc. <0.002. 12 13 SAMPLE Dk1E 1 4— 14 1S 16 17 LB 19 26 'TOTAL • 9VALUES • AVGE� MAXIMUM : MINIMUM -7. '1 P 4-O. 4Q frr LO 1 fo rL 0. no 12. 61Q,00 Z.n.(10 LO,00 POILITrANT ■ POLLUTANT: I PO{ LL1TA]+1TLI M 'RD 1 a,o�s O. D'k3 �♦I6',a���jc�� i110 in 0,0ol Q. d14 0. 3.5 1 �..03 0,115 •LDS nOS �. C f7t7S loos Cpts;14) POLLUTANT TTANT,i PQLLUTANP • leiOiw .1rl( 001.1 el, O.O6 MOO S .2h/ O.O4O ...C1.06s e 40,00 , 003 .40, go Q.03.7 ,go 040 POILUTANT: a.CO' IBDI, DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (Le. 0, 112 DETECTION LIMIT, THE *DETECTION L1Mfl). MIME: LIMPGoldin= Mumma na MN*. sous /Wilke Dsks Septcmbar 1,1993 0Oc Ckaita- .. �- '�r�%�.'��=f��'��I���i • Long Term =Ciao Guidance Appendix 4-a. Ex mple 1.17.1P Sammy Da1L FORM l 2 ram NAME4I4 :J5 of WAS A iv,/Ai, invLV-T'P NPDEi/NDNDISCHAR1E I RM1T • . % C p Q c 614 g SAMPLE LOCATION : Below Detection Limit Data (BDL) should be marked as "< and the detection limit', i.e. <0.002. SAMPLE DA 1 (1)1/4 PLOW - 3 4 Li- 1'W W M1F - yP�OILU TANT POLLUTANT: POLLUTANT r POILLRAzas POLLUTANT -17 CW r?rSe tir' C Meet. c � 'iIkd iiim. ' Shcu 11 I, n(j' 4.0.00S AOoo1 4 0,OoS .4ry,ockg Ln.042 L['i.fraS Ln.Ilan a 0.na4t '• 46.Ot S 4 0. tin L 13. lint. Le, onfii 17.( Z. .S O. nn �. 0in Immo S 1. n,000A. i_[%riaS z. ova 3 5— 14 q 6 (-1L- 01' 7 - S� aR-11 9°J'-II- _cri 10f0-?- �1li VQ _ 40.n0 S °nog �10� 4. 0, ��f S � o. 000 (i. 0D S 44n, noa a. .a0 Q.nn k 0 000 2. at. 00 4o, nnS I n. 00o 3 oi_o_o 3 n. OD Liii -. 1219.q- Z. 0, o S ! f. O.,io 0,005 a. oos 1.12, 000 £ O. 00os.l Ll1. no.S . L n, no 0.011 Lb.ran 0.210 4Qr00 4O.00S LO.na 401 (PUS 40. 00 L.O.01 4ij 4o1Qa 4.0100 1ocwrANT- POLLUTANT : 14 15 16 17 18 19' 20 'TOTAL:. a VALUES • AVERAGE or\ MAXIMUM MINIMUM 4 LD04 a 140, 005 5,py 4otO4D9 CO,Oo 0, 002 T 4. fir.0 Eo ! lal 0. 005 ___n. d 0 C v. n. Z[l 0a ZOr00,E 0.O00tj MO.LO.0O Zp,00 S t.9,noa Ld. f Q Si 49,00 3 BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (Le. 0♦ 1l2 DETECTION MGT THE DETECTION Mel). Ogden L'!MPGuidance Fiknam : Medea Dna Revision Dstc September 1.1993 Omen 4 Appendix 4B s1;:iftWOPA f Long Tam =ro'Isrr Oak= Apprrd'is 443. Enpbr LIMP Soaaaarr Dam Farm BW pow HMS: C t5 Grin Wa SA. dvoL tivwrP 1 +nrs it/Cool.0•Stir sA1 PUILOCATION w I L'F Below Detection Lamar' Data (BDL) should be marked as "< and the de cction limit', i.e. ©0.002. SAMPLE DATE 2 3 4 3 6 7 1 9 10 11 12 13 14 IS 16 17 1B 19 TOTAL A VALUES MAXIMUM h 15? GSM 6)19/2-) 0.5 X.f,.1 Ll BDL DATA USED FOR. AVERAGES ARE ESTIMATED TO BE: (i.e. 0,DEMTION LIMIT, THE DETECITON LIM1Tn. Oupter: LTMP &Waco Ft LIW Bois sum Rcvkzlco Dam September 1.1993 Cbtpiar 4 Appcc is 48 Pie 1 at J-14.94 . 8.6•v 7 Ertl MI4IC .70 I bag Tens =Clan Guidance Appian 6-13. Example LIMP Sumer Data Farad > oTAP NAME=lC Iy o 1A/a',, .Mjc a, WTP1 RGe mar _ dI C a t O Cv SAMPLE LOCATIONrF Below won Limit Data (BDL) should be marked as "< and the detection limit", i.e. <0.002. SAMPI BDATB 1 2 -sa 3 1=, ' . 4 . S 30 . r 6.� 9 9-f1-q .LO t 1L0 3-Q 1212-IQ-4 13 14 15 16 17 1B l9� FLOW IT = POLU T�r =1 A POLLUTANT ■ I FWD./TAW= POLLUTANT in Cd c c 1 ; g° 111 00 ?. 40. 00 �. at00 .4_0 00 ILO, 00 L.o,O I.01Oa '4VC;6 o Ot00 .4a 00 Ceim,/z-) pownwir rouvr.247., Forma. 464,003 O, o 5 z ea_ ho,003 Ojo3 s alag Go _ 44o S .0O 20.00 S Z0, 003 I-Ot00S I.o, 023 0,0 Lam 4L ,00 3 .4 o,00$ 0, 003 4o,00 S 0,00 Q, 1 .14.0.00.S O, 00 1 .40. t7 LD,003 o, 00 0 .i 40,Qo .40.005 -moo, 005 4 iOQ,1 O- 0 moo6.0 0,003 0, 0 3.9 4 a, 00 9, 04 .4o.003 0 riw A 4.0. a 2. 9.033 4C�.aOl (lam 0,4 VICO D.o a. .CO, ? LO,o 3 0.�.0. Q TOTAL • VALUES In AVERAGE s ?AMMAN MINIMUM* LV3c) r • 1-443[2.titiMMU 3 N4 11iQ04_N .4 00 .5 0. 3J 1 %� Q I4•"� •r Gay jiti oo O,bol D•005 L0,00 L0o&3 .a 0GI.0.00 O.aai r,.o!1 L,0a5-� 1J.0 .Lo,qL Lo,005 4Q,003 4 D,00.4.o, o G 0. o 1� L. 0012- L 1 D. t 0 -01 n55 BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (Le. 0.112 DETECTION LEVITY, TIM DETECTION UM). Chapter LIMP Guidance Fika= LIMP dal aum Emilia'. Data Scpumbar 1.1993 (per 4 Apra: 4 3 Page 1 to !ors Term 14 r IN Gui ana Appoodix 4-B. Example LIMP Sammy Data Pain tuna NAB.! C 15 ail Was A, Ar , i,trvT ,, EPERMIT* = ,0 2' s c LOCATION = I f Below Detection Linri1Data (BDL) should be marked as "< and the detection limit', i.e. <0.002. 91 Q-II-9'6 10- IV -9 & ll 11-1-.a 6. 12 1O -q6 13 14 15 1i 17 10 19 POt3ANT RCN 4D, 00 L 00 z igo 00 0,0O 2.0 rO03 0i 0a LO <C0 .4 00 4 0 0l0c �.�,OO' .'0000 ,4C1100 .LO, Oo POLLUTANT Arseivr �o POLL17TANT= POLLUTANT Mer .0:144, L0401 o.O .40a GOO .O,O0S 0,O0 0.000 .[� COO �. .40)000.2. •�+f}. Goa 2 .La, coo o. 000 2. O.Oo(. +, 000 100. ho,O'05 AO, 000 iO 40, 00 hp moo Critsw2. POLuUTAN - rammer Sae w+vw 4 0,00 i 0•005 . 0,00 a.0a 4040 5 4 0, 00S LO, Sao LDS 00 O.0O 49.00 S 40100 2.0.0.0 POLLUTANT PCL UTANT= 40,10PS .CA, 00 . 4Qr0w 20 TOTAL kQIJGC, ` .ICJ,0gd 0„001l ' 3,065 A 4 0. O D01 Q 0 2 0: 005 L.0. OD vM 4 dkCQ LQ,Da' n. Q c71 0,005 a, c� MINIMUM G, Q _ 40,0 z chow 2 l LQr 0I 5 1 L0r 00 5 0 b BDL DATA USED FOR AVERAGES ARE ESTIMATED TO BE: (i.e. 0, 1flDETECIIDN LI IIT, THE DEFECTION LIM ,. Chapter LTM1 Midaow F L1Wdim a= Starlike Data Sepwetober 1, 1993 Chapter Pat 1 r • ra .o ���I�?=� ft • C Smog Tenn M Gvitlam A ppcadis 4-B. Examp k LIN P Stmuan Mu Form POr1...C.15 1�A ailWas A, ar5/01 I %V TP f . LSOSA I3EPERMiC•s Al G a 2. 0 rtj(4)1/Z" SAMPLE LACATLQE1= IX f - Below Detection Limit Data CBDL) should be marked as "< and the detection limit", i.c. <0.002. FLOW = ANT = po1ltTrAM'lc pore vrAuT = POCIAMPc- Pou UrANr= POLLUTANT,.iga• mummy. SAMPLE DAIS N0 COO /VO, �p Lehi A/ At 1--A/ P 3 27- f a. t; ElkillinarkiWili: "Sit 44 -- - . T'1� ao .r .• 7 - - I ��, TAIN 0 3. ' . ..F ��� wI. . -,Qtti ag Iii&LIS: Jr 9 10' !0-14- q 1t j ,--i� - �? IL I2.- r -� 13 14 15 16 17 A 1.9 .0 65,3 1-- 14"- •65 Ly, 0 31 3co 20 TOTAL 9 VALUES = AVERAGE= MAXIMUM MINDIUM 101= 3 1424 1 10 0 We 3 1 %C.0 0.1 RN. aLf q. g0 i 0,1 .91 3.LI •1 !Zan BDL DATA USED FOR AVERAGES ARE ESTIKKIED TO BE (i.e. 0. l I2 DETECTION i.EM; THE DETECTION Y. ?• Chapter: LIMP Ciaadin Fi"lca�os: LTIO data ISM 'Revision Date Sgturber 1,1993 Chapter 4 Appends: 4-3 Pagel ro m !=S s Isms Tam Ma=Celan Guidance Appendix 4-B. Example LIMP Si iw uy Doi Faso NPE,DARGE PERMIT • a SAMPLE LOCATION s AV coo l a Ati g' Below Detection Limit Data (EDP should be mulled as "c and the detection limit", i.e. 41002. ANT SAMPLE DAIS 111 4 s 6 ma r - 1 2. 40, no a. -Q1 - 9 -� 10 10-Itw -q 111 11- 3 -9 12 is-f0 -9 13 14 1S 16 17 18 19 20 2 1 POLIflANT. PO Ltmun. POLLUTANT Pk/ 4.0.4nS nff2n .- o.n iamt POLLUTANT .o3 I,I ♦r0' ♦ AO '' 001 i f Lp. D .40.60 ,1)G .�„a. 00.2 Go 0 n1 10Tu� i VALUES is MAXIMAVPl;ACISI MINIMUM UM -?,3 12_ 00 1� - .�, 0, °0 n .0 ik Q. 41*),j2Q g $. 0 .OLI 1 z.o . co A 1 c 0. 005 Oa 015 0: .00 Zo.00 40,00 t9'fCOS rceursorr. nor LI. OF3 0, 955 7- is Mal LAI 111i21L`1;► . trr+ r3 • j 1-0, 0 BDL DATA WED FOR AVERAGES ARE ESTIMATED TO BE: (i.c. 0,112 DETECTION LIMIT, THE DETECTION Lli411). Captor: L'FMP Woo Filenamm L1W dda BUM Rabic!, DM' 8q i mb& I, 1993 Curer 4 APpa a1R 4-B Page 1 • 2MN-qqW11§GtX - 'c ten Tens MC. Ism Guidance AFpr idbi 443. Fast* LIMP Summer Dale Farm PM/ NAME 4 C i5 71 WAS A. & Wok, IlviiI TP SAMPLEOC L *11ON =1 J iJ- Below Detection Limit Data (BDL) should be marked as'< and the detection limit", i.e. <0.002. 5 2 3 4 6 7 9 10 11 12 13 14 13 14 17 18 1 ?A SAMPLEDA1 —3-q Ceintilz) FLOW • POLLUTANT = POILUTANT POL 1J1 ANT = POLLUTANT = POLLUTAI+LT POLLUTANT • 1FC)LLITTANT= POLL TANT= . C1) 1viercv" hi: • SsiFiviu °Loos 1.► . t •F it . . .�.• �r - i Th7 - r �� 11111 . ,Lf].Ol}� tom. (?� S Q.Of�fJ_ �1 ♦ r'� f i., tea. ao n, ago II.. � � .�r�. no o, a� rri.Qapg �o.ao o,do U ao fit? SOS GCS noa9. LO.bO �•• �.� L1Jrlli -� .__I' t r • G ' +/..0, On S . r . 2. Z. r • ir, ill $ . . Oa• 1 OO S • • 000 . ' .1)0 4000 S 2- 0 -$e .00 . o oo,5 . , 000a• A 00 11111111 2.0. (in S TOTAL M VALVES AV BRAGS MAXIMUM MIXONIMI 3 LC1,#r L0,0O0X hO,005 Zo.00 jBDLDATA USED FOR AVERAGES ARE ESTIMATED TO BE:(i.e. ,112 DETECTION UMLT, THE DETECTION L1Mll'j Qom: LIMP Guidance Elm= LINPdam SIMI ReYaim Dow September 1,1993 Oscar 4 8 4. Appendix Paso 1 � • i i � n -c O l- :v PUBLIC NOTICE STATE OF NORTH CAROUNA ENVIRONMENTAL MANAGEMENT COMMIS- SION/NPDES UNIT 1617 MAIL SERVICE CENTER RALEIGH, NC 27699 -1617 NOTIFICATION OF INTENT TO . ISSUE A _, NPDES WASTEWATER PERMIT On the basis of thorough staff review and applica- tion of NC General Statute 143.21, Publiclaw 92- 500 and other lawful standards and regulations., the North Carolina Environmental Management Commission proposes to issue a National Pollu- tant Discharge Elimination System (NPDES) wastewater discharge permit to the person(s) list- ed on the attached pages effective 45 days from the publish date of this notice. Written comments regarding the proposed permit will be accepted until 30 days attar the publish date of this notice. All comments received prior to that date are considered in the final determina- tions regarding the proposed permit. The Director of the NC Division of Water Quality may decide to hold a public meeting for the proposed permit should the Division receive a significant degree of public interest. Copies of the draft permit and other supporting in- formation on file used to determine conditions present to the draft permit are available upon re- quest and payment of the, costs of reproduction. Mail comments and/or requests for information to the NC Division bf Water Quality at the above ad- dress or call Ms. Christie Jackson at (919) 733- 5053, extension 538. Please include the NPDES permit number (attached) in any communication. Interested persons may also visit the Division of Water Quality at 512 N. Salisbury Street, Raleigh, NC 27604-1148 between the hours of 8:00 a.m. and 5:00 p.m. to review information on file. NPDES Permit Number NC0020648, Town of Washington WWTP, P.O. Box 1988, Washington, NC 27889 has applied for a permit renewal for a facility located in Beaufort County discharging treated wastewater into Kennedy Creek in the Tar -Pamlico River Basin. Currently BOO, ammo- nia, dissolved oxygen, fecal coliform, and total re- sidual chlorine are water quality limited. This dis- charge may affect future allocations in this portion of the receiving stream. 2-4 1tc MAR - 8 2000 DENR - WATER QUALITY POINT SOURCE BRANCH Beaufort County.___ North Carolina AFFIDAVIT OF PUBLICATION Before the undersigned, a Notary Public of said county and state, duly commissioned, qualified and authorized by law to admin- ister oaths, personally appeared Gene Kin , who being first duly sworn, deposes an says: that he is the Advertising Director of the Washington Daily News, a newspaper published, issued and entered as second class mail in Washington, NC in said county and state; that he is authorized to make this affidavit and sworn statement; that the notice or other legal advertisement, a true copy of which is attached hereto, was published in the Wash- ington Dail News on the following dates: and that the said newspaper in which such notice, paper, document, or legal advertise- ment was published was, at the time of each and every publication, a newspaper meeting all of the requirements and qualifications of Section 1-597 of the General Statutes of North Carolina and was a qualified newspaper within the"meaning of Section 1-597 of the General Statutes of North Carolina. ThiI2..cday of..i:.1ZZ%L (Signature of ipi making affidavit) Sworn to and subscribeebef ore me, a Notary Public, this . LO... day of %'7 0/.... . ,� ck15) . (Notary My commission expires.. Publication cost $ 6 / Q Paid in full