Pontiac (Illinois-American)
System Information
System Description
Water is pumped from the Vermilion River at up to 3,125 gpm either directly to the treatment plant or via an off-channel reservoir. That reservoir also serves as a storage basin for low nitrate water and as a pre-treatment sedimentation basin.
Satellite Communities and Water Districts
None
Population Served: |
12000 |
County: |
Livingston |
Watersheds: |
Vermilion - Illinois |
Water Source
| Name |
Type |
Stream |
DA (sq mi) |
SA (ac) |
Capacity |
Year Est. |
Est. 2010 Cap. (ac-ft) |
| Vermilion River* |
RW |
Vermilion R |
579 |
38 |
153 |
|
|
| Off-channel reservoir |
OCR |
Vermilion R |
0 |
250 |
2026 |
1992 |
2026 |
1989 Study: |
20-year drought yield insufficient at present level of water use. |
USGS Gages: |
Vermilion River at Pontiac (05554500) |
Developments since 1989:
The construction of an off-channel reservoir in 1993 protected the community from water shortages during the 2005 drought.
Note: *A low channel dam on the river creates storage as noted in the table.
Notes and Terminology
Vulnerability Report
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