NCG120065 DMR SW (14)

Orange County Solid Waste Management
P 0 Box 17177 Chapel Hill, NC 27516-7177 [phone] FAX[phone] www co.orange.nc.us/recycling
Orange County Landfill 932-2989 Orange Community Recycling 968-2788
May 9, 2016
North Carolina Department of Environment and Natural Resources IV
ED
Division of Water Quality
Attn: DWQ Central File MAY 1 1 2016
1617 Mail Service Center cl7R,a,L6LCS
Raleigh,North Carolina 27699-1617 p R SECTION
Re: Orange County MSW & C&D Landfills,leToje2d-
Stormwater Monitoring
Enclosed is the monthly Stormwater Discharge Monitoring Report for April 2016. Orange
County is currently in Tier II monitoring for the facility due to high TSS. The report indicates no
discharge for this month.
There were four qualifying rain events during the month. The events occurred during a time
period that the first flush discharge could not be captured in time to be collected or started too
late to be delivered to the testing laboratory within the hold time requirements for the testing
laboratory (maximum 6 hrs for E.Coli.).
Orange County continues to monitor the installed BMP's that help to control the amount of
onsite erosion and subsequent discharge of contaminated water; this includes the monitoring the
growth of our vegetative cover and minimizing the amount of disturbed land.
If you have any questions, please contact me at [e-mail] or 919-968-2788.
Sincerely,
6 -
Gordon Dively, PE
cc: Gayle Wilson, Director, OCSWM
Paul Spire, Operations Manager, OCSWM

Servo-arnuaD Stormwater Mscharge Monkoth' Reporti
for North Car;.,8ina Division of Water Qua&i y ( e eras Permit Nsf. NCG120000
Date submitted Cl C1 I)
CERTIFICATE OF COVERAGE NO. NICG3.2,Q L.I. SAMPLE COLLECTION YEAR Z.-4)1(e'.
FACILITY NAME SINS 6 (c ovurl LeProin A 0 SAMPLE PERIODfl Jan-June U July-Dec
COUNTY C or `] Monthly1 (month)
PERSON COLLECTING SAMPLES /�,C>al -- V1\SLI DISCHARGING TO CLASS UORW ❑HQW Trout ❑PNA
LABORATORY (C_Q) r Lab Cert.# ❑Zero-flow (Water Supply I ISA
Comments on sample collection or analysis: I !Other
PLEASE REMEMBER TO SIGN ON THE REVERSE r
Part A: Stormwater Benchmarks and Monitoring Results
N No discharge this period?2
(
Outfall No. Date Sample 24-hour rainfall
Collected) amount,
(mo/dd/yr) Inches Chemical Oxygen Demand Fecal Coliform Total Suspended Solids
Benchmarks===> _ - 120 mg/L 1000 count per 100 mL 100 mg/L or 50 mg/L4
4ej) alctoc
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 3 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
The total precipitation must be recorded using data from an on-site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit text,Table 3, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non-detect, ND, or other similar non-
numerical format. When results are below the applicable limits,they must be reported in the format, "<XX mg/L",where XX is the numerical value of the
detection limit, reporting limit, etc. in mg/L. Conversely, where fecal coliform results exceed the dilution upper limit, report the result as">XX".
Note: If you report a sample value in excess of the benchmark,you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Permit Date: 11/1/2012-10/31/2017 SWU 248, last revised 10/25/2012
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging> 55 gal ,.;f new oil per month.
►A No discharge this period?2
Date Sample 24-hour rainfall
Outfall No. 1
Collected amount, Non-polar O&G/TPH by
(mo/dd/yr) Inches3 EPA 1664(SGT-HEM) Total Suspended Solids pH
Benchmarks===> _ - 15 mg/L 100 mg/L or 50 mg/L4 6.0—9.0 SU
Footnotes from Part A also apply to this Part B
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
o A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
o 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
o TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ❑ NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE?. YES ❑ NO❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one copy of this DMR, including all"No Discharge"reports within 30 da s o' recei.t othe lab results or at end o monitorin• •eriod
in the case of"No Discharge"reports)to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law,that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system,or
those persons directly respion ible for gathering the information,the information submitted is,to the best of my knowledge and belief,true,accurate,and complete. I
am aware that ther are sig icant p nalties for submitting false information, including the possibility of fines and imprisonment for Knowing violations."
SC9I,
(Signature of Permittee) (Date)
Permit Date:11/1/2012-10/31/2017 SWU-248,last revised 10/25/2012
Page 2 of 2