Black River at Elyria OH

Lorain County, Ohio · USGS gauge 04200500 · NWS ELRO1 · Ohio river levels

Nearby: river levels near Elyria

Is Black River at Elyria OH flooding right now?

Black River at Elyria OH measured 0.79 ft on 2026-09-11 01:15:00 UTC. That observation was 8.7 ft below its 9.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
0.79 ft
as of 49 min ago
Streamflow
20 cfs
data refreshed 2 min ago

Minor flooding here begins at 9.5 ft, with major flooding at 20 ft. The highest crest on record was 26.4 ft on Sun, Jul 6, 1969.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action7 ft6.2 ft below
Minor flood9.5 ft8.7 ft below
Moderate flood17 ft16.2 ft below
Major flood20 ft19.2 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
26.4 ft1969-07-06
22.9 ft1959-01-22
18.02 ft1956-05-13
17.29 ft2004-05-22
17.03 ft1977-12-15

Nearby gauges

GaugeDistanceCounty
East Branch Black River at Elyria OH2.3 miLorain County
West Branch Black River above Elyria OH4.8 miLorain County
Plum Creek near Olmsted Falls OH9.6 miCuyahoga County
Unnamed Tributary to W B Rocky River near Olmsted Falls OH10.1 miCuyahoga County
West Branch Rocky River at West View OH10.6 miCuyahoga County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast