Monongahela River at Elizabeth Lock and Dam
Allegheny County, Pennsylvania
The past week
Loading chart…
What floods at each level
- 32 ft
Elizabeth immediately downstream of Lock 3 floods.
- 30.5 ft
Water Street, First Street and Second Street in West Elizabeth flood. Flood waters are 4 to 5 feet deep in homes along Water Street.
- 27 ft
Serious damage to homes and industries in West Elizabeth. Many roads flood.
- 25.6 ft
Water reaches the first floor of numerous homes from the intersection of First and Border Streets north to the intersection of Mill and First streets in West Elizabeth.
- 24.05 ft
Water levels reach the flood levels of the flood of July 30, 2017.
- 23 ft
Industrial Chemical Corporation plant floods.
- 22 ft
In West Elizabeth basements of numerous homes in the block bounded by First and Water streets begin to flood.
- 20 ft
Small communities around Lock 3 area begin minor flooding.
- 18.1 ft
Lock walls overtopped.
- 17.5 ft
Navigation suspended, lock out of service.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 17, 1936 | 32.5 ft | — |
| Nov 5, 1985 | 31.6 ft | — |
| Jan 19, 1996 | 30.3 ft | — |
More on Monongahela River
Get an alert when Monongahela River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.
