Sanitary Sewer Release and Overflows

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What are sanitary sewer overflows?

The City of Franklin received an updated NPDES permit that became effective July 1, 2017 that defines a difference between a release and overflow.  In each below definition, the permittee is defined as the City of Franklin.

 

A release is defined as “the flow of sewage from any portion of the collection or transmission system owned or operated by the permittee other than through permitted outfalls that does not add pollutants to waters.  In addition, a “release” includes a backup into a building or private property that is caused by the blockages, flow conditions, or other malfunctions originating in the collection and transmission system owned or operated by the permittee.  A “release” does not include backups into a building or private property caused by blockages or other malfunctions originating in a private lateral.

 

A “sanitary sewer overflow” is an unpermitted discharge of pollutants from the collection or transmission system owned or operated by the permittee other than through a permitted outfall.

 

For either situation, the discharge of sewage can be attributed to the following causes:

  • Blockages of sewer lines often due to grease, rags, or other materials wrongfully put into these sewer lines.
  • Infiltration/inflow of excessive stormwater into sewer lines during heavy rainfall.
  • Malfunctions of pumping stations, either equipment or electrical outages.
  • Broken sewer lines, caused by construction, line failure, or geologic conditions.

 

IF YOU ARE EXPERIENCING A RELEASE OR OVERFLOW, PLEASE CALL THE WATER MANAGEMENT DEPARTMENT AT (615) 794 – 4554 MONDAY-FRIDAY 7AM TO 4PM.  CALL (615) 791 – 3260 AFTER HOURS, WEEKENDS, AND HOLIDAYS.

 

The City is required to initially report releases and overflows to the Tennessee Department of Environment and Conservation within 24 hours. Basic information will be reported here within two (2) business days of the event.

List of Releases

 Date/Time Location   Status  Duration  Estimated Volume  Cause  Detailed Report
 9/19/2017 @ 8:40 am  Intersection of Riverview Dr & Forrest Park Cir  Resolved Unknown   10 Gallons  Broken air relief valve  Riverview Dr and Forrest Park Cir
 10/12/2017 @ 11 am  1412 Adams St  Resolved  45 Minutes  135 Gallons  Roots in main at service  1412 Adams St
             

 

List of Overflows

 Date/Time   Location  Status  Duration
 Estimated Volume  
Cause
 Detailed Report
 2/21/2017 @ 6:30 pm 1255 Adams St  Resolved  45 Minutes 90 Gallons Partial main blockage as well as illicit private infrastructure 1255 Adams Street
 3/3/2017 @ 5:30 pm 400 Sugartree Lane (Release as defined by 2017 permit)  Resolved 1 Hour 25 Minutes 50 Gallons  Grease 400 Sugartree Lane
 3/22/2017 @ 4:12 am Water Reclamation Facility (Release as defined by 2017 permit)  Resolved  13 Minutes  500 Gallons  54" plug from contractor burst Water Reclamation Facility
 3/24/2017 3794 South Carothers Parkway (Release as defined by 2017 permit)  Resolved Unknown  Contractor 3794 South Carothers Parkway
 4/5/2017 @ 3:35 pm 3794 South Carothers Parkway (Release as defined by 2017 permit) Resolved Unknown 100 Gallons Contractor blasting near unmarked service line  3794 South Carothers Parkway
 4/22/2017 Open ditch repair near Chestnut Bend pool house  Resolved 17.5 Hours 8.48 MG Wet Weather 555 Ploughmans Bend
 6/16/2017 @ 11:17 am  175 Rosa Helm Way  Resolved 

 33 Minutes

100 Gallons      Contractor

175 Rosa Helm Way

 10/20/2017  411 Meadowcrest Cir  Resolved  Unknown  500 Gallons  Contractor 411 Meadowcrest Cir 
 11/7/2017 @ 11:30 am  506 Mt. Hope St.  Resolved  1 Hour 45 Minutes  500 Gallons  Wet Weather 506 Mount Hope St 
 11/7/2017 @ 12:15 pm  602 4th Ave N  Resolved  3 Hours 55 Minutes  500 Gallons  Wet Weather 602 4th Ave N 
             

 

 

 

2016 overflows

Sanitary Sewer Overflow Response Plan Document (SORP): COMING SOON!

National Pollutant Discharge Elimination System (NPDES) Permit

Find out what you can do at home to prevent blockages!  #FranklinGreasebusters