Presented by: Agustin Socarras, P.E. Chief, W & WW – Conveyance Section

1. Pollution Prevention in Private Sanitary Sewer Systems Presented by: Agustin Socarras, P.E. Chief, W & WW – Conveyance Section Department of Environmental Resources Management DERM Pollution Prevention and Environmental Essentials Conference July 31, 2002

2. Topics of Presentation • Defective Laterals (Smoke Testing) • Private Sanitary Sewers (PSO) • Grease Discharge Program (GDO)

3. Defective Laterals (Smoke Testing) Defective Clean-Out

4. Defective Laterals (Smoke Testing) Defective Lateral

5. Roof Interconnection Defective Laterals (Smoke Testing) Roof Drain

6. Defective Laterals (Smoke Testing) Interconnection

7. Defective Laterals Directional Drilling

8. Clean-Out Defects • Utility Leaves Door Hanger Notice • DERM follows up until corrected • Lateral Defects • Utility forwards field report to DERM • DERM follows up until corrected • Direct Drilling • Utility performs the repair • Roof Drain • Inspector issues Cease and Desist • Interconnection • Utility forwards field report to DERM • DERM follows up until corrected Repair / Enforcement

9. Repair / Enforcement * Defects identified by M-DWASD only.

10. Private Sanitary Sewers Operating (PSO) Permit Program

11. Private Sanitary Sewers Operating Program (PSO) Who is required to have a PSO Permit? • Facilities with one, or more, Private Sanitary Sewer Pump Stations • Facilities with a large Sanitary Sewer Collection System • 1,000 L.F. or more of 6 in. pipe diameter, with or without a PS.

12. Private Sanitary Sewers Operating Program (PSO) • Main Requirements • Operations & Maintenance (O&M) Manual • December 1, 1999 • Sanitary Sewer Evaluation System (SSES) • Final report by November 12, 2002 • Must follow provisions and requirements set forth in the U.S. EPA's Sewer System Infrastructure Analysis and Rehabilitation Handbook (October, 1991 EPA/626/6-91/030)

13. Private Sanitary Sewers Operating Program (PSO) • Objectives of the Operations and Maintenance Manual • To demonstrate the facility’s capability to operate and maintain the system as intended. • To assure normal continues operation • Prevent environmental nuisances

14. Private Sanitary Sewers Operating Program (PSO) Sanitary Sewer Evaluation Survey (SSES) • To prevent sanitary sewage overflows (SSO) and exfiltration, and to reduce or eliminate infiltration /inflow of groundwater and rainwater into the sanitary sewer collection system by monitoring and required rehabilitation. • DERM prepared Guidelines

15. Private Sanitary Sewers Operating Program (PSO) • 775 private Sanitary Sewer Systems permitted • ALL are required to do the SSES by 11/12/02 • 23% Submitted • ALL were required to submit an Operation and Maintenance Manual • 97% Submitted

16. Grease Discharge Program (GDO) Program Objective • To reduce oil and grease concentrations in wastewater that is discharged to the public sanitary collection/transmission system by monitoring, sampling and educating facility operators.

17. Grease Discharge Program (GDO) Who is required to have a GDO Permit? • Restaurants • Bakeries • Cafeterias • Supermarkets • Food Processors • Specialty Shops • And Other Non-residential facilities

18. Grease Discharge Program (GDO) Common Problems Found: • Severe Rusting • Holes/Breaches • Missing/Broken Baffles • Poor Maintenance • Improper Plumbing • Undersized Systems • Wastewater Backups • Difficult Access

21. Legal Authority • Chapter 24 of Miami-Dade County Code • Chapter 62-604, State of Florida • M-DC Ordinance 94-132, GDO • M-DC Ordinance 96-166, PSO

22. Additional Questions? DERM - W&WW Conveyance Section, Ph. (305) 372-6899