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Managing Septage

Managing Septage. Brett A. Ballavance, P.E. Topics. Not all POTWs accept septage. If accepting septage , POTWs need a septage acceptance program. What are my options in winter? Centralized Storage/Treatment. POTWs accepting septage. Septage acceptance programs. Winter options.

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Managing Septage

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  1. Managing Septage Brett A. Ballavance, P.E.

  2. Topics Not all POTWs accept septage If accepting septage, POTWs need a septage acceptance program What are my options in winter? Centralized Storage/Treatment POTWs accepting septage Septage acceptance programs Winter options

  3. Not all wastewater plants accept septage 748 POTWs 373 Ponds 218 Mechanical 157 Other Small %not encouraged 22 % POTWs accepting septage Septage acceptance programs Winter options

  4. Plants accepting septage POTWs accepting septage Septage acceptance programs Winter options

  5. Duluth – an example of a well-managed septage program POTWs accepting septage Septage acceptance programs Winter options

  6. Well-managed program • Local ordinance allows for acceptance & enforcement • Written policy communicated • Pumpers are licensed and pay a license fee • Pumpers must report POTWs accepting septage Septage acceptance programs Winter options

  7. Well-managed program Rates established – based on BOD and TSS Site is • Secure • Monitored POTWs accepting septage Septage acceptance programs Winter options

  8. Duluth – WLSSD POTWs accepting septage Septage acceptance programs Winter options

  9. Moose Lake card reader & grinder POTWs accepting septage Septage acceptance programs Winter options

  10. Grand Marais Honey Monster POTWs accepting septage Septage acceptance programs Winter options

  11. Grand Marais honey monster POTWs accepting septage Septage acceptance programs Winter options

  12. Other septage programs Grand Rapids Aurora International Falls (NKASD) POTWs accepting septage Septage acceptance programs Winter options

  13. What about permitting for centralized storage/treatment? 1.Get a Type IV license 2. Submit annual report 3. Get individual land-application site approval Septage in Centralized storage/treatment Solids out Liquids out MechanicalBiosolids(MN 7041) Non-mechanical Septage(Fed 503) • No discharge • Discharge to POTW – pretreatment agreement • Discharge to soil/surface water • MPCA SDS permit if >10,000 gal/day • County permit if <10,000 gal/day • MPCA NPDES permit if surface discharge POTWs accepting septage Septage acceptance programs Winter options

  14. Summary POTWs accepting septage Septage acceptance programs Pumper Permitting Centralized Treatment plant

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