Norwood dam
Norwood
Norwood Dam, located on the Raquette River in St. Lawrence County, New York, is a gravity dam built in 1928 for hydroelectric purposes. Owned privately, but regulated by the Federal Energy Regulatory Commission, this dam stands at 24 feet tall and spans 238 feet in length, with a storage capacity of 1,736 acre-feet and a surface area of 350 acres. It has a maximum discharge capacity of 19,200 cubic feet per second and features an uncontrolled spillway with a width of 188 feet.
With a high hazard potential and a moderate risk assessment rating, Norwood Dam is inspected regularly by FERC to ensure its structural integrity and safety. The dam is equipped with two slide gates for outlet control and is situated in a picturesque location ideal for hydroelectric power generation. Despite not being state-regulated, the dam plays a crucial role in water resource management and climate adaptation efforts in the region, offering a sustainable source of clean energy while mitigating flood risks and supporting the local ecosystem. For water resource and climate enthusiasts, Norwood Dam serves as a fascinating example of the intersection between infrastructure, energy production, and environmental stewardship.
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 Norwood -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Raquette River At Raymondville Ny | 2,050 cfs | → |
| Grass River At Chase Mills Ny | 992 cfs | → |
| St. Regis River At Brasher Center Ny | 1,150 cfs | → |
| W Br St. Regis R Nr Parishville Ny | 362 cfs | → |
| Raquette River At South Colton Ny | 1,050 cfs | → |
| Oswegatchie River Near Heuvelton Ny | 2,030 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Norwood .
Boat launches
- Mcginnis Road 398, Saint Lawrence County
- St Regis River
- Park Lane Waddington
- Wilson Hill Causeway Saint Lawrence County
- Lakeshore Drive Morrisburg
- Grass River
Campgrounds
- Coles Creek State Park
- Riverside/Cedar - St. Lawrence
- Upper Canada Sanctuary - St. Lawrence
- Iroquois Municipal Campground
- Farran Park - St. Lawrence
- Mclaren Campsite - St. Lawrence
More reservoirs
Track Norwood 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 Norwood
Where does the data for Norwood 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 Norwood .