|
Search by city or zip code. Press enter or select the go button to submit request |
|
|
|
|
 |
| 2436.6 |
Crest elevation of dam. |
| 2428.9 |
At this level, capacity of spillway is 33,200 cfs. |
| 2423.5 |
Auxillary spillway crest elevation. |
| 2420.0 |
Top of Active Conservation pool and service spillway gate crest elevation. |
| 2416.5 |
Outlet works capacity is 40 cfs at this level. |
| 2405.0 |
Top of inactive conservation. |
| 2404.0 |
Top of dead storage. |
|
|
|
|
|
Latitude: 46.869700° N,
Longitude: 102.826900° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
0 ft |
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 |
N/A |
N/A |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
N/A |
N/A |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
N/A |
N/A |
Older USGS topographic maps, MSL benchmarks |
| Other |
2400 |
N/A |
|
|
|
|
|
|
This facility is also know as E. A. Patterson Lake and is operated by the U.S. Bureau of Reclamation. |
|
|
Hydrologic Resources
|
Additional Resources
|
|
|
| |
|
|
|
|
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 |
 |
|
|
|
|
|
weather.gov 
