Wyman dam
Wyman
Wyman, a private hydroelectric dam located in Bingham, Maine, harnesses the power of the Kennebec River to generate clean energy. Completed in 1930, this Earth-type dam stands at 155 feet tall and stretches across 3054 feet, with a storage capacity of 208,910 acre-feet. With a maximum discharge of 59,630 cubic feet per second, the dam plays a crucial role in controlling water flow to prevent flooding and provide a reliable source of renewable electricity.
Managed by the Federal Energy Regulatory Commission, Wyman has a high hazard potential due to its size and location, but its risk is mitigated through regular inspections and emergency preparedness measures. While its condition assessment is not available, the dam's emergency action plan was last revised in December 2019 to meet federal guidelines. With a very high risk rating of 1, Wyman remains a key player in the region's water resource management and climate resilience efforts, highlighting the importance of sustainable infrastructure in the face of environmental challenges.
Dam data reference
Condition Assessment
- Satisfactory
- No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
- Fair
- No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
- Poor
- A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
- Unsatisfactory
- A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
- Not Rated
- The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Hazard Potential Classification
- High
- Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
- Significant
- Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
- Low
- Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
- Undetermined
- Dams for which a downstream hazard potential has not been designated or is not provided.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Wyman -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Austin Stream At Bingham | 112 cfs | → |
| Kennebec River At Bingham | 6,390 cfs | → |
| Carrabassett River Near North Anson | 895 cfs | → |
| Dead River Near Dead River | 1,330 cfs | → |
| Kennebec River At The Forks | 1,890 cfs | → |
| Piscataquis River At Blanchard | 183 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Wyman .
Boat launches
- West Shore Road Caratunk
- Ferry Road Norridgewock
- Perkins Street Norridgewock
- Canadian Road Stratton
- North Shore Drive Smithfield
- Canaan Road 99, Fairfield
Campgrounds
- Happy Horseshoe Campground
- Harrison’S Pierce Pond Camp
- Safford Notch Campsite
- Avery Lean-To
- Horns Pond Lean-Tos
- Cranberry Stream Campsite
Paddle runs
- Kennebec Gorge
- Headwaters To Mouth At West Branch Pleasant River
- The South Branch Headwater From Hilton Farm To Bridge At Upper End Of Canada Falls Lake; Also Penobscot Lake And Brook
- Canada Falls Lake To Pittston Farm
- Lobster Lake To Confluence With West Branch
More reservoirs
Track Wyman in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About Wyman
Where does the data for Wyman come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the High hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Wyman .