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HomeMy WebLinkAboutNCG120023 DMR SW (7)Semi-annual Stormwater Discharge Monitoring Report for North Carolina Division of Water Quality General Permit No. NCG120000 Date submitted November 11, 2015 CERTIFICATE OF COVERAGE NO. NCG'12 0 0 2 3 FACILITY NAME Onslow County -Land#tll COUNTY Onslow PERSON COLLECTING SAMPLES -Daniel-Forbes LABORATORY Pace Analytical, -Inc.- Lab -ter 4 -3771-2/37731 Comments on sample collection or analysis: - Part A: Stormwater Benchmarks and Monitoring Results SAMPLE COLLECTION YEAR 2015 SAMPLE-PEMOD ❑ 1a", ne- ©-dufy-Dec or ® Monthly' September (month) DISCHARG1,NGTOACLASS- ❑ow ❑Nqw OT -rout -[:IPNA -E]iero-flow _❑WaterSupply [:]SA -®other Former -Borrow Pot PLEASE REMEMBER TO SIGN ON THE REVERSE 4 F� No discharge this period?z Outfall No. Date;Sample -Collected' (mo/dd/yr) 24-hour rainfall amount,- Inches3 Chemical Oxygen Demand Fecal Coliform Total Suspended- Solids Benchmarks =__> - - 120 mg/L 1000 count per 100 mL 100 mg/L or 50 mg/O 2 9/28/15 0.62 34.0 1,800 3.7 3 9/28/13 0.62 130 6,000 30.7 ' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedancefor-the same-parameteratthE-same-outfall: 2 For sampling periosts with -no -discharge -atany single -outfall.- you-muststill submit -this discharge -monitoring repo-rt--with=a-checkmark=here: - 3The total precipitation -must be recorded-using-datafrom:an-on-siterain-gauge -Unattended sites- may -he eligiblefor--awaiverofthe-rain-gauge.requirement.- 4 See General Permit text, Table 3, identifying the especially sensitive receiving-water°classifications where the more protective-trenchmark=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. WhenTmultsare-belowtheapphcable limits; theymust-be-reported=irr-the=format: "<XX-me/t":-where-XXtsthe-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 ">W. 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 > SS gal of new oil per month. n No discharae this Deriod?2 Date Sample Outfall No. Collected' (mo/dd/yr) 24-hour rainfall amount, Non -polar O&G/TPH by inches' EPA 1664 (SGT -HEM) Total Suspended Solids pH Benchmarks 15 mg/L 100 mg/L or 50 mg/L 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 t, Tier 2, or Tier 3 responses. See General Permit text. FOR PART A AND PART B MONITORING RESULTS: , • A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE -PERMIT -PART II SECTION B. • 2 EXCEEDANCES IN A'ROW, FOR'THE SAME PARAMETER AT THE SAME OUTFALLTRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B. Y 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: Bethany GeorgOUlidS Mail -an orlainal and-one.copy of this-DA4R including all "No- Dischame" reports within 30 days of receipt of the lab results for at end of monitoring aerio_d in the case of "No Dischar e" resorts) 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 -responsible -for-gathering the -information; the Information submitted is, to the best of my knowledge and belief, true, accurate, and complete. am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." Permit Date: 11/1/2012-10/31/2017 (Date) SWU-248, last revised 10/25/2012 Page 2of2