SLIDE 1
Geographical Information Geographical Information System (GIS) at System (GIS) at Downers Grove Sanitary Downers Grove Sanitary District (DGSD) District (DGSD)
How did we survive without it? How did we survive without it? CSWEA CSWEA April 10, 2008 April 10, 2008 DeKalb DeKalb, IL , IL
SLIDE 2 Downers Grove Sanitary District Downers Grove Sanitary District
11 MGD WWTC
20,000 customers
9 Remote Lift Stations
235 Miles of Sewer
5,700 Manholes
Oldest Sewers: 1904
SLIDE 3 WHAT IS GIS? WHAT IS GIS?
- Geographical Information System
Geographical Information System
- Database behind desktop computer map
Database behind desktop computer map
- No limit to information you can store and
No limit to information you can store and recall (file room) recall (file room)
- Powerful tool for identifying geographic
Powerful tool for identifying geographic patterns (push patterns (push-
pin maps)
SLIDE 4
Assembling A GIS Assembling A GIS
SLIDE 5 DGSD Applications DGSD Applications
Sewer Maintenance
I/I Program Management
Overflows and Backups
Lift Stations
Asset Planning
Construction
SLIDE 6
Modern Plat Book Book
SLIDE 7
Database Database in the in the Background Background
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I/I I/I Flow Flow Monitoring Monitoring
SLIDE 9
Tracking Tracking Rehabilitation Rehabilitation Work Work
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Tracking Tracking Backups and Backups and Overflows Overflows
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SLIDE 12
Planning Future Sewers Planning Future Sewers
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Documenting Construction Documenting Construction
SLIDE 14 Things We Don Things We Don’ ’t Do With GIS (Yet) t Do With GIS (Yet)
Hydraulic Modeling
Asset Accounting
- Detailed Engineering Design
Detailed Engineering Design
