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Hydrograph River at a Glance Download
Lake Ashtabula at Baldhill Dam Pool (ft)Observed: 1266.02 ft at 7:00PM Oct 17, 2021Observed: 1266.02 ft at 7:15PM Oct 17, 2021Observed: 1266.02 ft at 7:30PM Oct 17, 2021Observed: 1266.02 ft at 7:45PM Oct 17, 2021Observed: 1266.02 ft at 8:00PM Oct 17, 2021Observed: 1266.02 ft at 8:15PM Oct 17, 2021Observed: 1266.02 ft at 8:30PM Oct 17, 2021Observed: 1266.02 ft at 8:45PM Oct 17, 2021Observed: 1266.02 ft at 9:00PM Oct 17, 2021Observed: 1266.02 ft at 9:15PM Oct 17, 2021Observed: 1266.02 ft at 9:30PM Oct 17, 2021Observed: 1266.02 ft at 9:45PM Oct 17, 2021Observed: 1266.02 ft at 10:00PM Oct 17, 2021Observed: 1266.02 ft at 10:15PM Oct 17, 2021Observed: 1266.02 ft at 10:30PM Oct 17, 2021Observed: 1266.02 ft at 10:45PM Oct 17, 2021Observed: 1266.02 ft at 11:00PM Oct 17, 2021Observed: 1266.02 ft at 11:15PM Oct 17, 2021Observed: 1266.02 ft at 11:30PM Oct 17, 2021Observed: 1266.02 ft at 11:45PM Oct 17, 2021Observed: 1266.02 ft at 12:00AM Oct 18, 2021Observed: 1266.02 ft at 12:15AM Oct 18, 2021Observed: 1266.02 ft at 12:30AM Oct 18, 2021Observed: 1266.02 ft at 12:45AM Oct 18, 2021Observed: 1266.02 ft at 1:00AM Oct 18, 2021Observed: 1266.02 ft at 1:15AM Oct 18, 2021Observed: 1266.02 ft at 1:30AM Oct 18, 2021Observed: 1266.02 ft at 1:45AM Oct 18, 2021Observed: 1266.02 ft at 2:00AM Oct 18, 2021Observed: 1266.02 ft at 2:15AM Oct 18, 2021Observed: 1266.02 ft at 2:30AM Oct 18, 2021Observed: 1266.02 ft at 2:45AM Oct 18, 2021Observed: 1266.02 ft at 3:00AM Oct 18, 2021Observed: 1266.02 ft at 3:15AM Oct 18, 2021Observed: 1266.02 ft at 3:30AM Oct 18, 2021Observed: 1266.02 ft at 3:45AM Oct 18, 2021Observed: 1266.02 ft at 4:00AM Oct 18, 2021Observed: 1266.02 ft at 4:15AM Oct 18, 2021Observed: 1266.02 ft at 4:30AM Oct 18, 2021Observed: 1266.02 ft at 4:45AM Oct 18, 2021Observed: 1266.02 ft at 5:00AM Oct 18, 2021Observed: 1266.02 ft at 5:15AM Oct 18, 2021Observed: 1266.02 ft at 5:30AM Oct 18, 2021Observed: 1266.02 ft at 5:45AM Oct 18, 2021Observed: 1266.02 ft at 6:00AM Oct 18, 2021Observed: 1266.02 ft at 6:15AM Oct 18, 2021Observed: 1266.02 ft at 6:30AM Oct 18, 2021Observed: 1266.02 ft at 6:45AM Oct 18, 2021Observed: 1266.02 ft at 7:00AM Oct 18, 2021Observed: 1265.98 ft at 7:15AM Oct 18, 2021Observed: 1265.97 ft at 7:30AM Oct 18, 2021Observed: 1265.97 ft at 7:45AM Oct 18, 2021Observed: 1265.97 ft at 8:00AM Oct 18, 2021Observed: 1265.97 ft at 8:15AM Oct 18, 2021Observed: 1265.97 ft at 8:30AM Oct 18, 2021Observed: 1265.97 ft at 8:45AM Oct 18, 2021Observed: 1265.97 ft at 9:00AM Oct 18, 2021Observed: 1265.97 ft at 9:15AM Oct 18, 2021Observed: 1265.95 ft at 9:30AM Oct 18, 2021Observed: 1265.96 ft at 9:45AM Oct 18, 2021Observed: 1265.95 ft at 10:00AM Oct 18, 2021Observed: 1265.95 ft at 10:15AM Oct 18, 2021Observed: 1265.95 ft at 10:30AM Oct 18, 2021Observed: 1265.95 ft at 10:45AM Oct 18, 2021Observed: 1265.95 ft at 11:00AM Oct 18, 2021Observed: 1265.95 ft at 11:15AM Oct 18, 2021Observed: 1265.95 ft at 11:30AM Oct 18, 2021Observed: 1265.95 ft at 11:45AM Oct 18, 2021Observed: 1265.95 ft at 12:00PM Oct 18, 2021Observed: 1265.94 ft at 12:15PM Oct 18, 2021Observed: 1265.94 ft at 12:30PM Oct 18, 2021Observed: 1265.94 ft at 12:45PM Oct 18, 2021Observed: 1265.94 ft at 1:00PM Oct 18, 2021Observed: 1265.94 ft at 1:15PM Oct 18, 2021Observed: 1265.94 ft at 1:30PM Oct 18, 2021Observed: 1265.94 ft at 1:45PM Oct 18, 2021Observed: 1265.93 ft at 2:00PM Oct 18, 2021Observed: 1265.91 ft at 2:15PM Oct 18, 2021Observed: 1265.9 ft at 2:30PM Oct 18, 2021Observed: 1265.9 ft at 2:45PM Oct 18, 2021Observed: 1265.89 ft at 3:00PM Oct 18, 2021Observed: 1265.89 ft at 3:15PM Oct 18, 2021Observed: 1265.89 ft at 3:30PM Oct 18, 2021Observed: 1265.89 ft at 3:45PM Oct 18, 2021Observed: 1265.89 ft at 4:00PM Oct 18, 2021Observed: 1265.89 ft at 4:15PM Oct 18, 2021Observed: 1265.91 ft at 4:30PM Oct 18, 2021Observed: 1265.91 ft at 4:45PM Oct 18, 2021Observed: 1265.92 ft at 5:00PM Oct 18, 2021Observed: 1265.92 ft at 5:15PM Oct 18, 2021Observed: 1265.92 ft at 5:30PM Oct 18, 2021Observed: 1265.92 ft at 5:45PM Oct 18, 2021Observed: 1265.93 ft at 6:00PM Oct 18, 2021Observed: 1265.94 ft at 6:15PM Oct 18, 2021Observed: 1265.95 ft at 6:30PM Oct 18, 2021Observed: 1265.95 ft at 6:45PM Oct 18, 2021Observed: 1265.95 ft at 7:00PM Oct 18, 2021Observed: 1265.95 ft at 7:15PM Oct 18, 2021Observed: 1265.95 ft at 7:30PM Oct 18, 2021Observed: 1265.95 ft at 7:45PM Oct 18, 2021Observed: 1265.95 ft at 8:00PM Oct 18, 2021Observed: 1265.95 ft at 8:15PM Oct 18, 2021Observed: 1265.95 ft at 8:30PM Oct 18, 2021Observed: 1265.95 ft at 8:45PM Oct 18, 2021Observed: 1265.94 ft at 9:00PM Oct 18, 2021Observed: 1265.94 ft at 9:15PM Oct 18, 2021Observed: 1265.94 ft at 9:30PM Oct 18, 2021Observed: 1265.94 ft at 9:45PM Oct 18, 2021Observed: 1265.94 ft at 10:00PM Oct 18, 2021Observed: 1265.94 ft at 10:15PM Oct 18, 2021Observed: 1265.94 ft at 10:30PM Oct 18, 2021Observed: 1265.94 ft at 10:45PM Oct 18, 2021Observed: 1265.94 ft at 11:00PM Oct 18, 2021Observed: 1265.94 ft at 11:15PM Oct 18, 2021Observed: 1265.94 ft at 11:30PM Oct 18, 2021Observed: 1265.94 ft at 11:45PM Oct 18, 2021Observed: 1265.95 ft at 12:00AM Oct 19, 2021Observed: 1265.96 ft at 12:15AM Oct 19, 2021Observed: 1265.96 ft at 12:30AM Oct 19, 2021Observed: 1265.96 ft at 12:45AM Oct 19, 2021Observed: 1265.97 ft at 1:00AM Oct 19, 2021Observed: 1265.97 ft at 1:15AM Oct 19, 2021Observed: 1265.97 ft at 1:30AM Oct 19, 2021Observed: 1265.95 ft at 1:45AM Oct 19, 2021Observed: 1265.95 ft at 2:00AM Oct 19, 2021Observed: 1265.95 ft at 2:15AM Oct 19, 2021Observed: 1265.94 ft at 2:30AM Oct 19, 2021Observed: 1265.95 ft at 2:45AM Oct 19, 2021Observed: 1265.97 ft at 3:00AM Oct 19, 2021Observed: 1265.97 ft at 3:15AM Oct 19, 2021Observed: 1265.97 ft at 3:30AM Oct 19, 2021Observed: 1265.97 ft at 3:45AM Oct 19, 2021Observed: 1265.96 ft at 4:00AM Oct 19, 2021Observed: 1265.97 ft at 4:15AM Oct 19, 2021Observed: 1265.97 ft at 4:30AM Oct 19, 2021Observed: 1265.97 ft at 4:45AM Oct 19, 2021Observed: 1265.97 ft at 5:00AM Oct 19, 2021Observed: 1265.97 ft at 5:15AM Oct 19, 2021Observed: 1265.97 ft at 5:30AM Oct 19, 2021Observed: 1265.97 ft at 5:45AM Oct 19, 2021Observed: 1265.97 ft at 6:00AM Oct 19, 2021Observed: 1265.97 ft at 6:15AM Oct 19, 2021Observed: 1265.98 ft at 6:30AM Oct 19, 2021Observed: 1266 ft at 6:45AM Oct 19, 2021Observed: 1266.06 ft at 7:00AM Oct 19, 2021Observed: 1266.09 ft at 7:15AM Oct 19, 2021Observed: 1266.1 ft at 7:30AM Oct 19, 2021Observed: 1266.1 ft at 7:45AM Oct 19, 2021Observed: 1266.1 ft at 8:00AM Oct 19, 2021Observed: 1266.1 ft at 8:15AM Oct 19, 2021Observed: 1266.1 ft at 8:30AM Oct 19, 2021Observed: 1266.1 ft at 8:45AM Oct 19, 2021Highest Observation: 1266.14 ft at 9:00AM Oct 19, 2021Observed: 1266.13 ft at 9:15AM Oct 19, 2021Highest Observation: 1266.14 ft at 9:30AM Oct 19, 2021Observed: 1266.11 ft at 9:45AM Oct 19, 2021Observed: 1266.12 ft at 10:00AM Oct 19, 2021Observed: 1266.11 ft at 10:15AM Oct 19, 2021Observed: 1266.11 ft at 10:30AM Oct 19, 2021Observed: 1266.11 ft at 10:45AM Oct 19, 2021Observed: 1266.09 ft at 11:00AM Oct 19, 2021Observed: 1266.1 ft at 11:15AM Oct 19, 2021Observed: 1266.09 ft at 11:30AM Oct 19, 2021Observed: 1266.1 ft at 11:45AM Oct 19, 2021Observed: 1266.11 ft at 12:00PM Oct 19, 2021Observed: 1266.11 ft at 12:15PM Oct 19, 2021Observed: 1266.11 ft at 12:30PM Oct 19, 2021Observed: 1266.11 ft at 12:45PM Oct 19, 2021Observed: 1266.11 ft at 1:00PM Oct 19, 2021Observed: 1266.11 ft at 1:15PM Oct 19, 2021Observed: 1266.11 ft at 1:30PM Oct 19, 2021Observed: 1266.11 ft at 1:45PM Oct 19, 2021Observed: 1266.11 ft at 2:00PM Oct 19, 2021Observed: 1266.13 ft at 2:15PM Oct 19, 2021Observed: 1266.13 ft at 2:30PM Oct 19, 2021Observed: 1266.12 ft at 2:45PM Oct 19, 2021Observed: 1266.13 ft at 3:00PM Oct 19, 2021Observed: 1266.12 ft at 3:15PM Oct 19, 2021Observed: 1266.12 ft at 3:30PM Oct 19, 2021Observed: 1266.13 ft at 3:45PM Oct 19, 2021Observed: 1266.1 ft at 4:00PM Oct 19, 2021Observed: 1266.1 ft at 4:15PM Oct 19, 2021Observed: 1266.11 ft at 4:30PM Oct 19, 2021Observed: 1266.06 ft at 4:45PM Oct 19, 2021Observed: 1266.08 ft at 5:00PM Oct 19, 2021Observed: 1266.08 ft at 5:15PM Oct 19, 2021Observed: 1266.08 ft at 5:30PM Oct 19, 2021Observed: 1266.08 ft at 5:45PM Oct 19, 2021Observed: 1266.08 ft at 6:00PM Oct 19, 2021Observed: 1266.08 ft at 6:15PM Oct 19, 2021Observed: 1266.08 ft at 6:30PM Oct 19, 2021Observed: 1266.08 ft at 6:45PM Oct 19, 2021Observed: 1266.08 ft at 7:00PM Oct 19, 2021Observed: 1266.08 ft at 7:15PM Oct 19, 2021Observed: 1266.08 ft at 7:30PM Oct 19, 2021Observed: 1266.08 ft at 7:45PM Oct 19, 2021Observed: 1266.08 ft at 8:00PM Oct 19, 2021Observed: 1266.08 ft at 8:15PM Oct 19, 2021Observed: 1266.08 ft at 8:30PM Oct 19, 2021Observed: 1266.08 ft at 8:45PM Oct 19, 2021Observed: 1266.08 ft at 9:00PM Oct 19, 2021Observed: 1266.08 ft at 9:15PM Oct 19, 2021Observed: 1266.09 ft at 9:30PM Oct 19, 2021Observed: 1266.11 ft at 9:45PM Oct 19, 2021Observed: 1266.11 ft at 10:00PM Oct 19, 2021Observed: 1266.1 ft at 10:15PM Oct 19, 2021Observed: 1266.1 ft at 10:30PM Oct 19, 2021Observed: 1266.09 ft at 10:45PM Oct 19, 2021Observed: 1266.09 ft at 11:00PM Oct 19, 2021Observed: 1266.09 ft at 11:15PM Oct 19, 2021Observed: 1266.07 ft at 11:30PM Oct 19, 2021Observed: 1266.07 ft at 11:45PM Oct 19, 2021Observed: 1266.05 ft at 12:00AM Oct 20, 2021Observed: 1266.05 ft at 12:15AM Oct 20, 2021Observed: 1266.05 ft at 12:30AM Oct 20, 2021Observed: 1266.03 ft at 12:45AM Oct 20, 2021Observed: 1266.03 ft at 1:00AM Oct 20, 2021Observed: 1266.03 ft at 1:15AM Oct 20, 2021Observed: 1266.03 ft at 1:30AM Oct 20, 2021Observed: 1266.03 ft at 1:45AM Oct 20, 2021Observed: 1266.03 ft at 2:00AM Oct 20, 2021Observed: 1266.04 ft at 2:15AM Oct 20, 2021Observed: 1266.05 ft at 2:30AM Oct 20, 2021Observed: 1266.05 ft at 2:45AM Oct 20, 2021Observed: 1266.05 ft at 3:00AM Oct 20, 2021Observed: 1266.05 ft at 3:15AM Oct 20, 2021Observed: 1266.06 ft at 3:30AM Oct 20, 2021Observed: 1266.06 ft at 3:45AM Oct 20, 2021Observed: 1266.07 ft at 4:00AM Oct 20, 2021Observed: 1266.07 ft at 4:15AM Oct 20, 2021Observed: 1266.07 ft at 4:30AM Oct 20, 2021Observed: 1266.07 ft at 4:45AM Oct 20, 2021Observed: 1266.05 ft at 5:00AM Oct 20, 2021Observed: 1266.05 ft at 5:15AM Oct 20, 2021Observed: 1266.06 ft at 5:30AM Oct 20, 2021Observed: 1266.06 ft at 5:45AM Oct 20, 2021Observed: 1266.06 ft at 6:00AM Oct 20, 2021Observed: 1266.06 ft at 6:15AM Oct 20, 2021Observed: 1266.06 ft at 6:30AM Oct 20, 2021Observed: 1266.05 ft at 6:45AM Oct 20, 2021Observed: 1266.05 ft at 7:00AM Oct 20, 2021Observed: 1266.07 ft at 7:15AM Oct 20, 2021Observed: 1266.06 ft at 7:30AM Oct 20, 2021Observed: 1266.06 ft at 7:45AM Oct 20, 2021Observed: 1266.05 ft at 8:00AM Oct 20, 2021Observed: 1266.04 ft at 8:15AM Oct 20, 2021Observed: 1266.04 ft at 8:30AM Oct 20, 2021Observed: 1266.04 ft at 8:45AM Oct 20, 2021Observed: 1266.04 ft at 9:00AM Oct 20, 2021Observed: 1266.05 ft at 9:15AM Oct 20, 2021Observed: 1266.04 ft at 9:30AM Oct 20, 2021Observed: 1266.05 ft at 9:45AM Oct 20, 2021Observed: 1266.08 ft at 10:00AM Oct 20, 2021Observed: 1266.09 ft at 10:15AM Oct 20, 2021Observed: 1266.12 ft at 10:30AM Oct 20, 2021Observed: 1266.11 ft at 10:45AM Oct 20, 2021Observed: 1266.12 ft at 11:00AM Oct 20, 2021Observed: 1266.13 ft at 11:15AM Oct 20, 2021Observed: 1266.13 ft at 11:30AM Oct 20, 2021Observed: 1266.13 ft at 11:45AM Oct 20, 2021Highest Observation: 1266.14 ft at 12:00PM Oct 20, 2021Highest Observation: 1266.14 ft at 12:15PM Oct 20, 2021Highest Observation: 1266.14 ft at 12:30PM Oct 20, 2021Highest Observation: 1266.14 ft at 12:45PM Oct 20, 2021Highest Observation: 1266.14 ft at 1:00PM Oct 20, 2021Observed: 1266.13 ft at 1:15PM Oct 20, 2021Observed: 1266.13 ft at 1:30PM Oct 20, 2021Observed: 1266.13 ft at 1:45PM Oct 20, 2021Observed: 1266.11 ft at 2:00PM Oct 20, 2021Observed: 1266.11 ft at 2:15PM Oct 20, 2021Observed: 1266.12 ft at 2:30PM Oct 20, 2021Observed: 1266.12 ft at 2:45PM Oct 20, 2021Observed: 1266.12 ft at 3:00PM Oct 20, 2021Highest Observation: 1266.14 ft at 3:15PM Oct 20, 2021Observed: 1266.1 ft at 3:30PM Oct 20, 2021Observed: 1266.12 ft at 3:45PM Oct 20, 2021Observed: 1266.12 ft at 4:00PM Oct 20, 2021Highest Observation: 1266.14 ft at 4:15PM Oct 20, 2021Observed: 1266.13 ft at 4:30PM Oct 20, 2021Observed: 1266.13 ft at 4:45PM Oct 20, 2021Observed: 1266.13 ft at 5:00PM Oct 20, 2021Observed: 1266.1 ft at 5:15PM Oct 20, 2021Observed: 1266.08 ft at 5:30PM Oct 20, 2021Observed: 1266.07 ft at 5:45PM Oct 20, 2021Observed: 1266.07 ft at 6:00PM Oct 20, 2021USGS--Water Resources of the United StatesBLDN8(plotting HPIRG) Graph Created (6:49PM Oct 20, 2021)ObservedLatest observed value: 1266.07 ft at 6:00 PM CDT 20-Oct-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts are not available for the Lake Ashtabula at Baldhill Dam. Only observed stages are available for this point.
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Upstream Gauge - near Cooperstown Upstream Gauge Downstream Gauge Downstream Gauge - below Baldhill Dam (Tailwater)
Flood Categories (in feet)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:12
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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1273.2 Old top of flood control pool....
About This Location Collapse

Latitude: 47.036111° N, Longitude: 98.081389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 1281.00 ft Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 1200.00 ft Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Eastern North Dakota/Grand Forks Weather Forecast Office
4797 Technology Circle
Grand Forks, ND 58203
(701) 772-0720
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