2013 StormwaterWorkshop

June 13, 2013

Sponsored ByMichiana Stormwater Partnership

John J. DillonDirector, LTCP Management

City of South Bend

South Bend Consent Decree

Entered May 2, 2012 Required to Develop a CSO LTCP

Eliminate dry weather overflows Reduce # of wet weather overflows events

to 4 or fewer. Disinfect overflows in order to meet

Michigan water quality standards at state line.

DamDam

Overflow PipeOverflow Pipe

St. JoeRiver

St. JoeRiver

Pipe To Wastewater

Treatment Plant

Pipe To Wastewater

Treatment Plant

RunoffRunoff

Why Our Sewers Overflow

CombinedSewer

CombinedSewer

Sewage

Sewage

Plan OverviewProject Description Cost

(2007 Dollars)Cost

(2013 Dollars)

Wastewater Treatment Plan Upgrades WWTP Upgrades $52,416,000 $61,068,000

Phase 1 CSO Collection System Controls

Removal of storm water from South Bend's Facility by implementing sewer separation, detention basin management, or Green Infrastructure Measures.

$49,777,000 $57,993,000

Phase 2 CSO Collection System Controls

CSO Controls Upstream of East Race

Memorial Park Storage Tank $22,220,000 $25,888,000

Old Fire Station Storage Tank $8,683,000 $10,116,000

Ice Rink Parking Lot Storage Tank $20,821,000 $24,258,000

Randolph and Sampson $17,313,000 $20,171,000

Nuner School Storage Tank $7,103,000 $8,275,000

CSO Controls Downstream of East Race

Leeper Park Storage Tank $40,670,000 $47,383,000

Brownsfield Park Storage Tank $6,182,000 $7,202,000

Storage Conduit $42,817,000 $49,884,000

Parallel Interceptor $41,970,000 $48,898,000

Phase 2 Contingency $36,779,000 $42,332,000

Engineering, Legal, Admin Cost $48,912,000 $56,882,000

Other Collection System Projects Sewer Extensions and Replacements, River Crossing #5, and Engineering $74,228,000 $86,480,000

Amount Spent on Phase 1 (2004-2010) $39,570,000 $39,570,000

Total Capital Cost $509,460,000 $586,400,000

WWTP Upgrades

Primary Clarifiers Rehabilitation

No. 2

Anaerobic Digester Upgrade

No. 6 No. 7

Final Clarifiers Upgrade

Aeration Influent Channel and Tank Modifications

Phase 1 CSO LTCP Projects – Upstream of East Race

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Phase 1 CSO LTCP Projects – Downstream of East Race

Phase 2 CSO Collection System Controls

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LTCP Schedule