CSI Winston-Salem: SSO Forensics Edition

CSI Winston-Salem: SSO Forensics Edition

Alex Palmatier, Project Manager, HDR Kim Duncan, Collection System Engineer, CCU

Background SSO Initiatives Meeting Design Action Items

Data Analysis Next Steps Conclusions

Background

Background

What? Collection System Improvement Program Why? Reduce SSO's and Increase Operational Efficiency Where? City of Winston-Salem, Forsyth County North Carolina Who? City/County Utilities (CCU) serving

o 100k sewer connections o 225 FTEs working in collection and treatment o 1750 miles of gravity sewer lines o 50 Pump stations

When? 5-year "CSIP" kicked off in July 2016 (assessment and fast start activities Mar-Jul 2016)

Historical SSOs

SSO Count

200

180

160

140

120

117

110

100

80

State Reportable

80

79

72

60

40

EPA Reportable

63

57

58

20

40

42

0

2012

2013

2014

2015

2016

Year

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