Mohican River at Loudonville
Ohio · Paddling & whitewater
Measured at USGS 03131500 — Black Fork at Loudonville OH · NWS forecast point LDVO1
Reading taken Jul 28, 11:45 PM UTC
Too low for most boats — rocky and technical
At 73 CFS, this gauge is running 56% of normal for late July — below the 130 CFS median USGS has recorded for this date across 7 years of record (1985–1991).
Data-derived guidance from USGS and NWS published values — not official advice, and not a safety assessment.
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Flood stages at Loudonville
Official National Weather Service categories for gauge LDVO1, issued by WFO CLE. Impact statements are the NWS's own wording for this location, reproduced verbatim.
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Major flood 15.0 ft
- 15.0 ft Wally Road will become inundated. Several campgrounds adjacent to the river will be flooded.
- 17.0 ft Several campgrounds along the Black Fork will be flooded. Significant evacuations will be needed. Wally Road inundated and impassable. Loudonville sewage treatment plant will be threatened.
- 18.0 ft Wally Road and adjacent campgrounds flooded. Both the Loudonville Water Department and Sewage Treatment Plant flooded.
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Moderate flood 11.0 ft
- 11.0 ft Campgrounds along Walley Road will begin to inundate. Evacuations may be necessary.
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Minor flood 10.0 ft
- 10.0 ft Mohican River will be at bankful through much of Loudonville. Some low lying campgrounds near the river could see some minor inundation.
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Action 9.0 ft
- Right now 3.23 ft
12 months of flow at Loudonville
Daily values from USGS gauge 03131500. Provisional data, subject to revision.
Highest crests on record at Loudonville
| Stage | Flow | Date |
|---|---|---|
| 11.81 ft | 5,136 CFS | Apr 5, 2026 |
| 11.56 ft | 4,800 CFS | Jul 10, 2013 |
| 11.47 ft | 4,684 CFS | May 10, 2021 |
| 11.05 ft | 4,161 CFS | Apr 4, 2018 |
| 10.95 ft | 4,047 CFS | Apr 6, 2025 |
| 10.55 ft | 3,629 CFS | Jun 17, 2019 |
| 10.31 ft | 3,392 CFS | Nov 19, 2017 |
| 10.28 ft | 3,363 CFS | Jan 13, 2017 |
| 10.01 ft | 3,110 CFS | Jan 13, 2017 |
Historical crests published by the National Weather Service for this gauge.
About Mohican River at Loudonville
This gauge measures Mohican River at Loudonville, Ohio — the reading paddlers, anglers and outfitters on this stretch check before committing to a shuttle.
Canoe Capital of Ohio; huge weekend volume.
Raw CFS means little on its own, so every reading on this page is shown against the USGS median for the same calendar day — 130 CFS for late July, from 7 years of record.
Because the National Weather Service also operates a forecast point here, the page carries the official flood-category ladder and the NWS's own stage-by-stage impact statements.
Mohican River at Loudonville — common questions
What is the current flow on Mohican River at Loudonville?
As of the last reading on this page, Mohican River at Loudonville was running 73 CFS at a gage height of 3.23 ft, or 56% of the USGS median for this date. The number updates automatically from USGS gauge 03131500, which reports every 15 to 60 minutes.
Is that high or low for this time of year?
The USGS median flow for late July at this gauge is 130 CFS, calculated from 7 years of record (1985–1991). Comparing today's reading against that median is the only way a raw CFS number tells you anything — 200 CFS is a drought on one river and a flood on another.
How often does this reading update?
USGS transmits from this gauge every 15 to 60 minutes. This page bakes in the most recent reading when it is rebuilt, then refreshes live from USGS when you open it. Readings are provisional and subject to revision by USGS.
What is a runnable level on this stretch?
riverlvl deliberately does not publish a runnable range. American Whitewater and the local paddling community maintain the correlations for this reach, and they are the authority. This page gives you the raw inputs — current CFS, gage height, the seasonal median, and the 12-month hydrograph — so you can apply whatever range you trust.
How fast can this gauge come up?
This is a free-flowing gauge, so it rises with rain in the basin. The 12-month chart on this page shows the shape of the past year's rises, which is the best available guide to how flashy this particular reach is.
Where does this data come from?
The flow and gage height come from USGS gauge 03131500, public-domain data from the U.S. Geological Survey. The flood categories, impact statements and forecast come from the National Weather Service's National Water Prediction Service, gauge LDVO1.