Download - FOG INITIATIVE “Cease the Grease”
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FOG INITIATIVE“Cease the Grease”
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• What is FOG?
• Issues at NCSD
• Combating the problem
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What is FOG?
• Fats, Oils, and Grease
•Fats – solid at room temperatureExamples include butter, shortening, meat trimmings, dairy
•Oils – liquid at room temperatureExamples include vegetable oils and salad dressings
•Grease – turns to liquid when cooking but solidifies when cooled
Examples include gravy, mayonnaise, meat fats
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How a Grease Trap works
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Why is FOG a
problem?
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FOG clogs sewer lines
Results in service calls for NCSD personnel
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Stormwater Sewer System
Could result in SSOs
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Clogs in Sewer Lines Result In:Service calls from NCSD Crews
Costly repairs to sewer lines
Overflows into streets, ditches, and waterways
Backups into businesses and homes
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Build-up in wet wells
Results in maintenance costs for NCSD
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Costs to NCSDCleaning of pump station wet-wells
$38,500 for ½ Northwoods PS (FY 2014)$38,500 for ½ Northwoods PS (FY 2015)$43,000 for ½ Popperdam PS (FY 2015)
New Vacuum truck $400,000
60,000 Gallons pumped from PS
Disposal Costs
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Grease pushed to WWTP
• WWTP not designed to handle grease
• New stricter NPDES Permit
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How NCSD is handling FOG?Tried using “bugs”
Very expensiveNo visible results
Test trials from various vendorsChemical/biological treatmentsNo visible results
New test trial FY 2015
Best method for handling FOG?Reduce/eliminate introduction into the system
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Food Service Establishments• Best Management Practices• Cleaning Log• Inspection Log• Inspection Report• Brochure• Postings
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Amendment to the Use Resolution• Requiring BMP for food service establishments
• Allowing NCSD to recoup cost for service call relating to grease
• Civil Penalty ($100/day) for not implementing BMP
• Civil Penalty ($100/day/instance) for not maintaining records
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Elsewhere in SCPCBs introduce into sewer systemIllegal dumping into grease trap by haulerSome utilities are requiring grease traps to
be secured with fencing, locks, cameras, etc
Lessons learned:Monitor your grease trap closelyNCSD program will help
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NCSD is asking for your help
Reduce amount of grease disposed of into sewer system
Reduce amount of grease build-up in sewer system
Maintaining grease traps
Keeping sewer rates as low as possible
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Fax Numbers: (843) 764-2655 (843) 764-2659 (843) 574-3249
Email: [email protected]@[email protected]@ncsd-sc.com
Website: www.ncsd-sc.com