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facts & figures: dwu gis statistics & trivia
Note:  This information is currently being compiled (5/11/99)
and is not complete at this time.

Sanitary Mainlines (including Service area):
   Total Number of Mainlines: 15,364
   Total Feet of Pipe: 3,003,300

Combined Mainlines (including Service area):
   Total Number of Mainlines: 27,780
   Total Feet of Pipe: 5,499,425

Drainage Mainlines (including Service area):
   Total Number of Mainlines: 13,608
   Total Feet of Pipe:  2,466,750

Side Sewers (including Service area):
   Total Number of Side Sewer pipes:
   Total Feet of Pipe:

Drainage Laterals (including Service area):
   Total Number of Lateral pipes:
   Total Feet of Pipe:

Citywide Mainline Totals (NOT including Service area):
   Sanitary pipes: 12,321 pipes; 2,349,940 total linear feet
   Combined pipes: 26,487 pipes; 5,128,615 total linear feet
   Drainage pipes: 12,876 pipes; 2,309,084 total linear feet

Mainlines in Combined Classification Areas (NOT incl. Service area):
   Sanitary pipes: 763 pipes; 120,869 total linear feet
   Combined pipes: 10,766 pipes; 2,115,516 total linear feet
   Drainage pipes: 303 pipes; 35,486 total linear feet

Mainlines in Partially Separated Classification Areas (NOT incl.
Service area):

   Sanitary pipes: 3,344 pipes; 537,389 total linear feet
   Combined pipes:14,604 pipes; 2,762,194 total linear feet
   Drainage pipes:10,544 pipes; 1,948,328 total linear feet

Mainlines in Separated Classification Areas (NOT incl. Service area):
   Sanitary pipes: 7,766 pipes; 1,603,032 total linear feet
   Combined pipes:363 pipes; 64,941 total linear feet
   Drainage pipes: 1,819 pipes; 285,649 total linear feet

Sewer Classification Areas (NOT incl. Service area):
   Separated Areas:  151,733 acres
   Combined Areas: 166.136 acres
   Partially Separated Areas: 254,878 acres

Catch Basins by Classification Area: Total Number = 45,006
   Separated Areas: 4,382
   Combined Areas: 15,999
   Partially Separated Areas: 24,388
   Unassigned: 237

Sand Boxes by Classification Area: Total Number = 1,333
   Separated Areas: 361
   Combined Areas: 325
   Partially Separated Areas: 641
   Unassigned: 6

Pump Stations by Classification Area: Total Number = 71
   Separated Areas:  16
   Combined Areas: 13
   Partially Separated Areas: 39

Total Number of Records in the DWU GIS Data Base:
Total Number = 3,757,568

   Pipes:  1,871,251
   Points: 1,886,317

Steepest Pipe:

Deepest Maintenance Hole (feet below ground level):

Highest Invert (in NAVD88):

Lowest Invert (in NAVD88):

Total Land and Water Area within City Limits:
87.43 Sq Miles (55955.2 acres)

   Total Land Area:  84.01 sq miles (53766.4 acres)
   Total Water Body Area:  3.42 sq miles (2188.8 acres)

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