1. Lake Como Status Update South Monmouth Regional Sewerage Authority Michael J. Ruppel, Exec. Dir. (SMRSA)

2. Lake Como Lake is owned by three separate Boroughs. ( 30 Acres) Lake is owned by three separate Boroughs. ( 30 Acres) Considered Class III (Low Hazard) Dam by NJDEP Owned by Belmar, Spring Lake & Monmouth County

3. Historical Flooding Watershed Driven (rainfall events) Watershed Driven (rainfall events) Coastal Storm Surge (Super Storm Sandy) Coastal Storm Surge (Super Storm Sandy) Outlet plugged Influent kept coming but had nowhere to go

4. Hydraulics/Hydrology (the science) Peak Inflow 2 yr = 1145 cfs (3 in) 10 yr = 2186 cfs (5.4 in) 10 yr = 2186 cfs (5.4 in) 25 yr = 2873 cfs (6.7 in) 25 yr = 2873 cfs (6.7 in) 100 yr = 4191 cfs (9.2 in) 100 yr = 4191 cfs (9.2 in) "One-hundred-year storm" means the storm which is estimated to have a one percent chance, or one chance in 100, of being equaled or exceeded in one year.

5. (the science) cont’d

6. Peak Outflow approx. 40 cfs (when submerged) Pond storage capable of handling a 10 yr storm event (5.4 in) Tidal Influence

7. Lake Como’s Effect on SMRSA Two pump stations devastated (Lake Como & Pitney Ave) Two pump stations devastated (Lake Como & Pitney Ave) Loss of Service for seven days Loss of Service for seven days $ 2.88 million in damages (Sandy) $ 2.88 million in damages (Sandy) $.963 million in damages over past seven years (LC PS) $.963 million in damages over past seven years (LC PS) and….. and….. Potential flooding of WWTP which is surrounded by major contributory to Lake Como.

8. Add Sea Level Rise Does not include other effects of Climate Change i.e.( increased rainfall intensities, etc.)

9. Temp Emergency Measures 80 MGD pump system (123.79 cfs) since removed 80 MGD pump system (123.79 cfs) since removed Temp PVC outfall line (40 cfs) Temp PVC outfall line (40 cfs) Four 18” DIP pump discharge lines installed beneath Ocean Ave Four 18” DIP pump discharge lines installed beneath Ocean Ave

10. Moving Forward Protecting Infrastructure/Residents SMRSA – Lake Como PS Relocation Pitney Ave PS Mobile Enclosure SMRSA – Lake Como PS Relocation Pitney Ave PS Mobile Enclosure “Lake Como” – Issues “Lake Como” – Issues - Stakeholders/Ownership? - Funding? - Level of resiliency? - Regulatory? - Temp. Planning/ Future Schedule?

11. Questions? Michael J. Ruppel exdir@smrsa.org www.smrsa.org