Mazon River near Coal City
Grundy County, Illinois
The past week
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What floods at each level
- 24 ft
Residential structures may be threatened along Forest Drive and West Avenue west of Coal City.
- 22 ft
Structures may be threatened along Spring Road west of Coal City. Whitetie Road may be threatened west of Coal City.
- 20 ft
IL-113, Pine Bluff Road, and McArdle Road may be threatened west of Coal City. Reed Road may be threatened southwest of Coal City.
- 18 ft
Spring Road may be threatened west of Coal City.
- 16 ft
Gorman Road and Grand Ridge Road may be threatened southwest of Coal City. Widespread inundation of agricultural land occurs.
- 15 ft
Water may begin to overflow into nearby lakes along the river.
- 12 ft
Low-lying agricultural land is inundated west of Coal City.
- 10 ft
Low-lying agricultural land is inundated northwest of Coal City near the Illinois River.
- 8 ft
Water overtops low-lying banks along the river west of Coal City.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Aug 7, 1924 | 21 ft | — |
| Jul 14, 1958 | 19.7 ft | 17,600 cfs |
| Dec 3, 1982 | 19.51 ft | 22,400 cfs |
When the water runs low
- 0.5
River nears zero flow.
More on Mazon River
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