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Home My WebLink AboutNC0085812_Permit Issuance_20131025NCDENR North Carolina Department of Environment and Natural Resources Division of Water Resources Water Quality Programs Pat McCrory Thomas A. Reeder Governor Director October 25, 2013 Mr. Michael Moler, Division Manager — Water & Wastewater Operations Union County Public Works 500 North Main Street; Suite 500 Monroe, NC 28112 Subject: Issuance ofNPDES PermitNCO085812 Union County Public Works — Grassy Branch W WTP Union County John E. Skvarla, III Secretary Division personnel have reviewed and approved your application for renewal of the subject permit. Accordingly, we are forwarding the attached NPDES discharge 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 October 15, 2007 (or as subsequently amended). This final permit includes' no significant changes to its terms from those found in the draft permit sent to you on August 28, 2013. Please note that the receiving stream is listed as an impaired waterbody on the North Carolina 303(d) Impaired Waters List. Addressing unpaired waters is a high priority with the Division, and instream data will continue to be evaluated. If there is noncompliance with permitted effluent limits and stream impairment can be attributed to your facility, then mitigative measures may be required. 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 Resources or permits required by the Division of Land Resources, the Coastal Area Management Act or any other Federal or Local governmental permit that may be required. 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Location: 512 N. Salisbury St Raleigh, North Carolina 27604 Phone: 919 807-63001 FAX: 919-807&192 Internet: wxww.ncwaterquality.org An Equal Opportunity I Affirmative Action Employer Mr. Michael Moler NC0085812 Permit Renewal 2013 p.2 If you have any questions concerning this permit, please contact Bob Sledge at telephone number (919) 807-6398, or via e-mail at bob.sledge@ncdenr.gov. goma A. Reeder cc: Central Files Mooresville Regional Office/Water Quality NPDES File Permit NCO085812 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER RESOURCES PERMIT TO DISCHARGE WASTEWATER UNDER THE NATIONAL POLLUTANT DISCHA.RGE ELIMINATION SYSTEM In compliance with the provisions 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, Union County Public Works is hereby authorized to discharge wastewater from a facility located at Grassy Branch WWTP 1629 Old Fish Road (off NCSR 1610) Southeast of Fairview Union County to receiving waters designated as Crooked Creek in the Yadkin -Pee Dee River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, and IV hereof. The permit shall become effective December 1, 2013. This permit and the authorization to discharge shall expire at midnight on October 31, 2018. Signed this day October 25, 2013. Tl�qffias A. Reeder, Director �.. ivision of Water Resources By Authority of the Environmental Management Commission Page 1 of 4 • Permit NCO085812 SUPPLEMENT TO PERMIT COVER SHEET All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked. As of this permit issuance, any previously issued permit bearing this number is no longer effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the permit conditions, requirements, terms, and provisions included herein. Union County Public Works is hereby authorized to: 1. Continue to operate an existing 0.05 MGD wastewater treatment facility consisting of the following wastewater treatment components: ■ Influent pump station • Manual bar screen ■ Flow Equalization basin ■ Two aeration basins ■ Two Clarifiers ■ Aerated sludge digester ■ Two tertiary filters • Ultraviolet disinfection ■ Backup chlorination/dechlorination ■ Continuous flow measurement. ■ Standby power This facility is located at 1629 Old Fish Road (off NCSR 1610), southeast of Fairview, in Union County, and 2. Discharge from said treatment works through outfall 001 into Crooked Creek, a Class C water in the Yadkin -Pee Dee River Basin, at the location specified on the attached map. Page 2 of 4 Permit NCO085812 /t o ) i I] Union County Public Works Grassy Branch WWTP Stet. Grid/Ouad: STANFIEID Latitude: 35' 07' 50" N O 17 N W Lonsitude: 80° 29' 40" W Reeeivive St... Crooked Cr..k Draioaee Basin: Yadkin Pee Dee Stream Class: C SubIIasin: 03-07-12 . J ;�4 Facility Location 99ww not to scale NPDES Permit NCO085812 North Union County Page 4 of 4 Permit NCO085812 PART I A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to discharge treated wastewater from Outfa11001. Such discharges shall be limited and monitored by the Permittee as specified below: EF UENT,I,�A,RACTE - STfCS _ . L�MI�TS MONITORING REQUIREMENTS WOp. ly bail`y -.Measurement Sa ple. Sample:Lac�tion� Parameter„Code; AYea e; - ;Average; Maximit 1Freuency`_,y' Flow -50050 0.050 MGD Continuous Recording Influent or Effluent BOD, 5-day, 20°C2 C0310 (April 1-- October 31 5.0 mg/L 7.5 mg/L Weekly Composite Effluent, Influent (November 1 —March 31 day, C0310 Nov 10.0 mg/L 15.0 mg/L Weekly Composite Effluent, Influent Total Suspended Solids2 C0530 30.0 mg/L 45.0 mg/L Weekly Composite Effluent, Influent NH3 as N C0610 (April 1— October 31 2.0 mg/L 6.0 mg/L Weekly Composite Effluent NH3 as N C0610 November 1— March 31 4.0 mg/L 12.0 mg/L Weekly Composite Effluent Dissolved Oxygen 00300 Daily Average >— 5.0 mg/L Weekly Grab Effluent Fecal Coliform (geometric mean) 31616 200/100 ml 400/100ml Weekly Grab Effluent Temperature (°C) 00010 Weekly Grab Effluent Total Residual Chlorine3,4 50060 17 pg/L 2/Week Grab Effluent pH 00400 z 6.0 ands 9.0 standard units Weekly Grab Effluent Dissolved Oxygen 00300 Variables Grab U, D Temperature (°C) 00010 Variables Grab U, D Notes: 1. Sample locations: U- Upstream 50 feet above discharge point, D- Downstream at NC 218 bridge. Upstream/downstream samples shall be collected 3/Week during June, July, August, September, and 1/Week during the remaining months of the year. Instream monitoring requirements shall be provisionally waived so long as the Permitee remains a member of the Yadkin Pee Dee River Basin Association and the Association continues to function as approved by the Division and Environmental Management Commission. 2. The monthly average effluent BOD5 and TSS concentrations shall not exceed 15% of the respective influent value (85% removal). 3. Total Residual Chlorine monitoring is required only if chlorine is added to the effluent. 4. The Division shall consider all effluent TRC values reported below 50 µg/l to be in compliance with the permit. However, the Permittee shall continue to record and submit all values reported by a North Carolina certified laboratory (including field certified), even if these values fall below 50 µg/l. There shall be no discharge of floating solids or visible foam in other than trace amounts. Page 3 of 4 sb Public Notice North Carolina Environmental Management Commission/NPDES Unit 1617 Mail Service Center Raleigh, NC 27699-1617 Notice of Intent to Issue a NPDES Wastewater Permit The North Carolina Environ- mental Management Commis- sion proposes to issue a NP- DES wastewater discharge permit to the person(s) listed below. Written comments re- garding the proposed permit will be accepted until 30 days after the publish date of this notice. The Director of the NC Division of Water Quality (DWQ) may hold a public hearing should there be a sig- nificant degree of public in- terest. Please mail comments and/or information requests to DWQ at the above address. Interested persons may visit the DWQ at 512 N. Salisbury Street, Raleigh, NC to review information on file. Additional information on NPDES per- mits and this notice may be found on our website:blti)://i)grtgl.ncdenr.org /aitb/wa/sw /o /npdes/calen- d,�, or by calling 919 = 6390. The Union County Pub- lic Works Department reques- ted renewal of NPDES permit NCO085812 for the Grassy Branch WWTP in Union County; this permitted dis- charge is treated wastewater to Crooked Creek in the Yadkin Pee -Dee River Basin. The Union County Public Works Department requested . renewal of permit N00069523 for the Tallwood Estates WWTP in Union County; this permitted discharge is treated wastewater to Clear Creek in the Yadkin -Pee Dee River - Basin. NORTH CAROLINA, UNION COUNTY AFFIDAVIT OF PUBLICATION Before the undersigned, a Notary Public of said County and State, duly commissioned, qualified, and authorized by the law to administer oaths, personally appeared Marvin Enderle who being first duly sworn, deposes and says: that he is Publisher engaged in the publication of a newspaper known as The Enquirer -Journal, published, issued, and entered as second class mail in the City of Monroe 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 Enquirer - Journal on the following dates: CL �a 30, 20/ 3 and that the said newspaper in which such notice, paper, document, or legal advertisement was published was, at the time of each and every such publication, a newspaper meeting all 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. This 30 day of 2013 Sworn to and subscribed before me, this Vday of dead • * 2013 'It - Notary Public �Q.�B �1 Seal ` Q \�QTA/gy My commission expires - * May 26, 2018 AUB L `G =U` Monroe, NC Date:30 io 2013 " �G,``` Account # IN ACCOUNT WITH The Enquirer -Journal 500 West Jefferson Street Monroe, NC 28112 IMPORTANT LEGAL DOCUMENT, PLEASE RETAIN FACT SHEET FOR EXPEDITED PERMIT RENEWALS This form must be completed by Permit Writers for all expedited permits which do not require full Fact Sheets. Expedited permits are generally simple 100% domestics (e.g., schools, mobile home parks, etc) that can be administratively renewed with minor changes, but can include facilities with more complex issues (Special Conditions, 303(d) listed water, toxicity testing, instream monitoring, compliance concerns). Basic Information for Expedited Permit Renewals Permit Writer/Date Bob Sledge 8/28/2013 Permit Number NCO085812 Facility Name UCPW — Grassy Branch WWTP Basin Name/Sub-basin number Yadkin- Pee Dee 03-07-12 Receiving Stream Crooked Creek Stream Classification in Permit C Does permit need Daily Max NH3 limits? Already included Does permit need TRC limits/language? Already included (UV with Cl backup) Does permit have toxicity testing? No Does permit have Special Conditions? No Does permit have instream monitoring? Yes: DO & Temp Is the stream impaired (on 303(d) list)? For whatparameter? Yes Ecological/biological integrity — Benthos� & Turbidi gv J)3dp c {c Any obvious compliance concerns? No Any permit mods since lastpermit? No Current expiration date 10/31 /2013 New expiration date 10/31/2018 Comments received on Draft Permit? Yes No If Yes, discuss response with Supervisor Most Commonly Used Expedited Language: • 303(d) lanauatze for Draft/Final Cover Letters: "Please note that the receiving stream is listed as an impaired waterbody on the North Carolina 303(d) Impaired Waters List. Addressing impaired waters is a high priority with the Division, and instream data will continue to be evaluated. If there is noncompliance with permitted effluent limits and stream impairment can be attributed to your facility, then mitigative measures may be required". • TRC language for Compliance Level for Cover Letters/Effluent Sheet Footnote: "The facility shall report all effluent TRC values reported by a NC certified laboratory including field certified. However, effluent values below 50 ug/l will be treated as zero for compliance purposes." BIMS Compliance Download: Queries>Reports>Violations>Monitor Report Violations>Limit Violations for Past 3 Years Reminder: Permits that are not subject to expedited renewal include the following: 1) Major Facility (municipal/industrial); 2) Minor Municipals with pretreatment program; 3) Minor Industrials subject to Fed Effluent Guidelines (lb/day limits for BOD, TSS, etc); 4) Limits based on reasonable potential analysis (metals, GW remediation organics); 5) Permitted flow > 0.5 MGD (requires full Fact Sheet); 6) permits determined by Supervisor to be outside expedited process. Note: This sheet is located on NPDES Server/CurrentVersions/Expedited Fact Sheet May2010 To: Western NPDES Program Unit Surface Water Protection Section Attention: Charles Weaver Date: July 17, 2013 NPDES STAFF REPORT AND RECOMMENDATION County: Union Permit No. NCO085812 IWW'147Q"DQlBi:7:\AI►`Ix17:7u►:�If[IJ`►I Facility and Address: Grassy Branch WWTP 500 North Main Street, Suite 500_ Monroe, North Carolina 28112 2. Date of Investigation: July 17, 2013 Report Prepared By: Samar Bou-Ghazale, Env. Engineer II 4. Persons Contacted and Telephone Number: Jeremy Nance, ORC; (704) 634-3389 5. Directions to Site: From the intersection of Highways 601 and 218 in northern Union County, travel west on Highway 218 approximately 1.90 miles to the junction with Unionville Brief Road (SR 1601). Turn right onto SR 1601 and travel approximately 0.7 mile to the junction with SR 1610 (Old Fish Road). Turn left onto SR 1610 and travel approximately 0.6 mile to the WWTP located at the end of a dirt road. 6. Discharge Points: Latitude: 35' 0750" Longitude: 80' 29' 40" USGS Quad No.: G 17 NW USGS Name: Stanfield, NC Receiving stream or affected surface waters: Crooked Creek a. Classification: C b. River Basin and Subbasin No.: Yadkin Pee -Dee; 03-07-12 C. Describe receiving stream features and pertinent downstream uses: The receiving stream in this area is approximately 55-60 feet wide (bank to bank) and has considerable flow. General C classification uses downstream. PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS a. Volume of wastewater to be permitted: 0.05 MGD. b. What is the current permitted capacity of the wastewater MGD C. Actual treatment capacity of the current facility (current design capacity)? 0.05 MGD d. Please provide a description of existing or substantially constructed wastewater treatment facilities: The existing facility is an extended aeration WWTP consisting of a manual bar screen, a flow equalization basin, two aeration basins, two clarifiers, one sludge holding tank, two tertiary filters, ultraviolet disinfection with backup chlorination/dechlorination, standby power with automatic transfer switch, and instrumented effluent flow measuring. e. Possible toxic impacts to surface waters: None PART IV - EVALUATION AND RECOMMENDATIONS Union County Public Works Department is requesting renewal of its NPDES Permit for the discharge of treated wastewater. No changes to the W WTP since the last permit renewal. The facilities appeared to be in good operational condition during the time of the investigation. Pending review and approval by the NPDES Unit, It is recommended that the NPDES permit be renewed as requested. 7 � / ?, 2-4o13 \gnatt re'10 of Report `reparer ^ Date 7�iirs��l7�u�' Quality Regional Supervisor / Dater - NPDES APPLICATION FOR PERMIT RENEWAL - FORM A For Publicly Owned Treatment Works (POTW) or other treatment systems treating domestic wastes < 0.1 MGD with no pretreatment program. Mail the complete application to: N. C. Department of Environment and Natural Resources Division of Water Quality / NPDES Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 NPDES Permit 000085812 If you are completing this form in computer use the TAB key or the up — down arrows to move from one field to the next. To check the boxes, click your mouse on top of the box. Otherwise, please print or type. 1. Contact Information: Owner Name Union County Public Works Facility Name Grassy Branch WWTP Mailing Address 500 North Main Street, Suite 500 City Monroe State / Zip Code NC 28112 Telephone Number (704)296-4215 Fax Number (704)296-4232 e-mail Address michael.moler@co.union.nc.us 2. Location of facility producing discharge: Check here if same address as above ❑ Street Address or State Road 1629 Old Fish Road (off NCSR 1610) City Monroe State / Zip Code NC 28110 County Union County 3. Operator Information: Name of the firm, public organization or other entity that operates the facility. (Note that this is not referring to the Operator in Responsible Charge or ORC) Name Union County Public Works G Mailing Address 500 North Main Street, Suite 500 City Monroe, a State / Zip Code NC 28112'A Telephone Number (704)296-4215 Fax Number (704)296-4232 4. Population served: 369 1 of 4 Form -A 1/06 NPDES APPLICATION FOR PERMIT RENEWAL - FORM A For Publicly Owned Treatment Works (POTW) or other treatment systems treating domestic wastes < 0.1 MGD with no pretreatment program. S. Do you receive industrial waste? ® No ❑ Yes (if you have an approved pre-treatment program, must complete Form 2A) 6. Type of collection system ® Separate (sanitary sewer only) ❑ Combined (storm sewer and sanitary sewer) 7. Outfall Information: Number of separate discharge points 1 Outfall Identification number(s) 001 Is the outfall equipped with a diffuser? ❑ Yes ® No S. Name of receiving stream(s) (Provide a map shouring the exact location of each outfall): Crooked Creek 9. Frequency of Discharge: If intermittent: Days per week discharge occurs: Continuous ❑ Intermittent Duration: 10. Describe the treatment system List all installed components, including capacities, provide design removal forBOD, TSS, nitrogen and phosphorus. If the space provided is not sufficient, attach the description of the treatment system in a separate sheet of paper. Influent Pump Station 2 Pumps - 100 gpm each Manual Bar Screen Flow Equalization Basin 15,000 gallons Two Aeration Chambers 25,000 each Two Clarifiers 5,870 gallons combined Aerated Sludge Digester 9,000 gallons Two Tertiary Filters 18.75 SF each, 519 gallons each UV Disinfection Trojan UV3000, 3 Modules/2 Lamps each Backup Chlorination/Dechlorination Tablet System Continuous Flow Recording Device V-Notch Weir / Float Controlled Recorder Standby Power 80 KW Generator Design Removal for BOD " to " TSS it of " Nitrogen it it" Phosphorous Not Permitted 11. Flow Information: Treatment Plant Design flow 0.050 MGD Annual Average daily flow 0.032 MGD (for the previous 3 years) Maximum daily flow 0.390 MGD (for the previous 3 years) 2 of 4 Form -A 1106 NPDES APPLICATION FOR PERMIT RENEWAL - FORM A For Publicly Owned Treatment Works (POTW) or other treatment systems treating domestic wastes < 0.1 MGD with no pretreatment program. 12. Is this facility located on Indian country? ❑ Yes ® No 13. Effluent Data Provide data for the parameters listed. Fecal Coliform, Temperature and pH shall be grab samples, for all other parameters 24-hour composite sampling shall be used. Effluent testing data must be based on at least three samples and must be no more than four and one half years old. Parameter Daily Maximum Monthly Average Units of Measurement Number of Samples Biochemical Oxygen Demand (BOD5) 7.9 1.9 mg/L 52 Fecal Coliform 720 9.5 #/ 100ML 52 Total Suspended Solids < 10.0 0.0 mg/ L 52 Temperature (Summer) 28.0 21.8 Celsius 214 Temperature (Winter) 19.0 13.5 Celsius 152 pH 8.2 7.2 Units 339 14. List all permits, construction approvals and/or applications: Type Permit Number Hazardous Waste (RCRA) UIC (SDWA) NPDES NCO085812 PSD (CAA) Non -attainment program (CAA) 15. APPLICANT CERTIFICATION Type NESHAPS (CAA) Ocean Dumping (MPRSA) Dredge or fill (Section 404 or CWA) Special Order of Consent (SOC) Other Permit Number I certify that I am familiar with the information contained in the application and that to the best of my knowledge and belief such information is true, complete, and accurate. Michael Moler Water & Wastewater Operations Division Manager Printed name of Person Signing Title North Carolina General Statute 143-215.6 (b)(2) states: Any person who knowingly makes any false statement representation, or certification in any application, record, report, plan, or other document files or required to be 3 of 4 Form -A 1/06