Warner River at Davisville
New Hampshire — Water Level & Flood Stage
Located in Merrimack County, New Hampshire on the Warner River. Live water level data from USGS gauge 01086000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
12 ft
7,960 cfs
Moderate Flood
10 ft
4,670 cfs
Minor Flood
8 ft
2,310 cfs
Action Stage
6 ft
750 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
13 ft
In Warner, Depot Street floods with water surrounding businesses. Chemical Lane flooded near the confluence with the Silver Brook, cutting off access to a dozen properties including those on Willey Lane. Wallaby Colby Lane flooded. In Hopkinton, homes along Deer Path, Well House, and Dustin Roads are at risk from high water especially if the Contoocook River is also at high flows.
12 ft
In Warner, areas that flood are West Roby District Road, West Joppa Road covered bridge, Waterloo Road covered bridge, Morse Lane, and the Tom Pond area experience flooding. Properties south of Depot Street are inundated with impacts to parking areas. Significant flooding to Riverside Park.
10 ft
Low lying roads along the Warner River begin to have a flood threat. The most flood prone areas include West Joppa Road in Warner, cutting off access to the Dalton covered bridge.
9.5 ft
Basement flooding of properties along Tom's Pond in Warner begins.
8.5 ft
Properties along Tom's Pond including Pine Lane in Warner are flooded with water overtopping retention walls.
8 ft
Riverside Road floods along with increasing depths over recreational fields in Warner.
6.5 ft
Although no structures are affected, water inundates recreational areas in Warner and Davisville. The river is at bankfull in other reaches, some erosion may occur.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 21, 1938 | 12.8 ft | — |
| Sep 21, 1938 | 12.8 ft | — |
| May 14, 2006 | 12.35 ft | 8,640 cfs |
| May 14, 2006 | 12.35 ft | 8,640 cfs |
| Apr 15, 2007 | 11.87 ft | 7,730 cfs |
About This Gauge
USGS Site
NWS LID
DAVN3
River
Warner River
County
Merrimack, NH
Coordinates
43.2509°N, 71.7322°W
Get Flood Alerts for Warner River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Warner River at Davisville?
The Warner River at Davisville gauge is maintained by USGS (site 01086000) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Warner River at Davisville?
The NWS-defined flood stage for Warner River at Davisville is 8 feet. Action stage begins at 6 feet. Moderate flooding starts at 10 feet, and major flooding at 12 feet.
How do I get alerts when Warner River rises?
Download StormCast free on Google Play, go to River Gauges, and add Warner River at Davisville to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Warner River at Davisville gauge located?
The gauge is located in Merrimack County, New Hampshire at coordinates 43.2509°N, 71.7322°W. USGS site number: 01086000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey