a range of illicit discharge experiences - apwa-nc...
TRANSCRIPT
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Kristen O’ReillyWater Quality
Program Specialist
A Range of Illicit DischargeExperiences - Mobile Washers to
Pools and Many in Between
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Mobile Washers &Power Washing
• Frequency of vehicle detailing in parking lots without BMPs
• Frequency of power washing without BMPs
• 2014 City Council complaint
• “Good” washers complain about lack of enforcement
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Mobile Washers & Power Washing
What did we do?• Developed BMP Guidance
• Mailing
• Sponsored a Workshop
• Enforcement Blitzes
• Developed “Field Notice ofViolation”
• Weekend Enforcement
• Worked with CityTransportation and BuildingMaintenance staff
OK1
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Slide 3
OK1 Craig to ask John and AndrewCode Enforcement noticed improved compliance. see their email.O'Reilly, Kristen, 9/13/2017
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• “BMPs for Pressure Washers, Vehicle Detailers and OtherSurface Cleaning Operations”
• “Acceptable Practices for Disposal of Wash Water”
• “Containment, Collection and Filtering Products”
Mobile Washers & Power Washing
Guidance
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Mobile Washers & Power Washing
Challenges/ Recommendations
• Workshops
• Guidance
• Enforcement andmonitoring
• Problems with disposal anddraining to a landscapedarea.
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Problem: chlorinated water, salt water, volumeof discharge, maintenance waste
Residential pools: Average 20 – 30,000 gallons
Commercial pools: > 1,400 and 50 new ones /yr.
Pools
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• Developed BMP Guidance
• Presentations– Pool Operator Meetings
• Mailings– Pool service companies
Pools
What did we do?
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• “ BMPs for Swimming Pools and Spas”– Drain to Yard or Landscaped Area: Dechlorinate below 0.1 mg/liter.– Drain to Storm Drain System– Drain to Sanitary Sewer
Pools
Guidance
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• What to do with salt water?
• Contacting residents with pools?
• Contacting pool construction/ maintenance contractors?
Pools
Challenges/ Recommendations
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• Every commercial structurebuilt has a dumpster pad
• Dumpsters built over astorm drains
• Plugs missing. Mostdumpsters leak.
• Impacts
Dumpster Pads
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Building Standards Policy Paper• Dumpster pad cannot have a
storm drain.
• Any storm drain must be aminimum of 20’ from pad.
• Dumpster pad can drain to thesanitary sewer provided:– It is connected via a grease interceptor
– The entire pad must be under cover
– The area surrounding the pad must besloped away from the pad.
– The pad itself must also be slopedtoward the interior.
Dumpster Pads
What did we do?
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• No guidance for coverdimensions
• Justification for 20 feet?
• Drainage to storm drainanyway?
• Authority of guidance?
• Build relationship withMechanical/ Plumbing CodeAdministrator
Dumpster Pads
Challenges/ Recommendations
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Fiber Optic Drilling
• Damages to sewer and water lines
• Sediment slurry discharges to stormwater drainage systemand local creeks
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• Developed guidance• Presentations• Disposal facilities• CDOT ROW inspectors• NOVs to prime & subs
Fiber Optic Drilling
What did we do?
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• Emphasized vacuumcollection as the prime BMP
Fiber Optic Drilling
Guidance
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• Volume and frequency ofwork
• Contractors from all overthe country
• Lack of proper equipmentby subcontractors
• Disposal sites?
• Communicate w primecontractors!
Fiber Optic Drilling
Challenges/ Recommendations
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Don’t pump yourpool into me!
Questions? Input?
Kristen O’Reilly, ph: (704) 517 0814, email: [email protected] Mecklenburg Storm Water Services http://charlottenc.gov/stormwater