Preventing Storm Surcharges in the Sanitary Sewer and Basement Backups What Avon Lake Municipal Utilities is Doing and What Residents Can Do November 16, 2011 and November 17, 2011 Presented by: Todd Danielson Avon Lake Municipal Utilities

Outline The Sanitary and Combined Sewer System What ALMU is doing What can residents do The Partnership 2

The sanitary and combined sewer system 3

What ALMU is doing Inwood/Dellwood/Bellaire sanitary sewer rehabilitation (completed ~10/31 for ~$1.6M) Combined Sump Separation Program (initiated in Sept, est. cost ~$130k) Sunset Rd. Stormwater Sources Survey (initiated in Oct for $29k) Identifying and removing storm sources (yard & driveway drains, catch basins, old sewers draining woods) 4

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What ALMU is doing – cont’d Working with Council on implementing Point of Sale Inspections re stormwater in sanitary and landscaping ordinance Designing installation of flow relief structures in Lake Road Interceptor Considering “Best Practice” of installing new sanitary lateral during future combined sewer separations, as well as relief structures to be used until sufficient stormwater is removed 7

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What residents can do – Prevent stormwater entering sanitary Separate combined foundation/sanitary sumps Prevent stormwater from entering lateral – down spouts, footer tiles, yard/drive drains, leaky laterals Assure cleanout caps are preventing drainage Slope ground away from house, fill voids, extend down spout leaders 9

10 Disconnect footer drains from sanitary lateral Sanitary Sewer Assure cleanouts are capped Assure down spout leaders direct far away from house Assure lateral is competent Assure yard drains disconnected from sanitary lateral Slope soil away from foundation

What residents can do – Prevent backups/bsmt flooding Reduce/prevent backups by installing stand pipes and/or check valves or disconnect bsmt from gravity drainage by installing sanitary sewage pump 11

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"One of the illusions of life is that the present hour is not the critical, decisive one." - Ralph Waldo Emerson "Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has." - Margaret Mead

Whom to call in an emergency Basement Flooding – ALMU – (business hours, 8 AM – 4:30 PM) – (after hours) Street Flooding – Avon Lake Service Dept. – (business hours) – (after hours, Police Dept.) Clogged sewer lateral/sump pump failure – Call your plumber 15

Call us when the problem is occurring 16