Elizabeth Mine Tp-1 dam
Elizabeth Mine Tp-1
Elizabeth Mine Tp-1, located in Orange, Vermont, is a privately owned tailings dam that was completed in 1958. This earth dam stands at a height of 120 feet with a length of 2100 feet, creating a storage capacity of 1250 acre-feet. The dam is situated on the West Branch Ompompanoosuc River and falls under the regulatory jurisdiction of the Vermont Department of Environmental Conservation.
Despite its satisfactory condition assessment as of October 2020, Elizabeth Mine Tp-1 poses a high hazard potential due to its location and storage capacity. The dam has a history of state regulation, inspection, and enforcement, ensuring its continued safety and functionality. The last inspection took place in July 2017, with a scheduled frequency of one inspection per year to monitor any changes in its condition.
Water resource and climate enthusiasts will find Elizabeth Mine Tp-1 an intriguing structure to study, given its significant height, storage capacity, and potential impact on the surrounding environment. Understanding the design, purpose, and regulatory oversight of this dam provides valuable insights into the management of tailings facilities and their potential risks. As a key component in water resource management, Elizabeth Mine Tp-1 serves as a reminder of the importance of monitoring and maintaining infrastructure to safeguard both human populations and natural ecosystems.
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 Elizabeth Mine Tp-1 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Ompompanoosuc River At Union Village | 16 cfs | → |
| White River At West Hartford | 1,580 cfs | → |
| Connecticut River At West Lebanon | 9,730 cfs | → |
| Ottauquechee River At North Hartland | 427 cfs | → |
| Ayers Brook At Randolph | 69 cfs | → |
| East Orange Branch At East Orange | 27 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Elizabeth Mine Tp-1.
Boat launches
- Post Pond Boat Launch
- Connecticut River Boat Launch
- Reservoir Pond Boat Launch
- Sanders Road Bethel
- Indian Pond Boat Launch
- Mascoma Lake Boat Launch
Campgrounds
Fishing spots
Paddle runs
- Source Above Fr 55 To Proclamation Boundary (Stony Brook)
- Headwaters To Woodstock, Vt
- Headwaters To Folsom Brook
- Thornton Railroad Bridge To Bridgewater/Bristol Town Line
- Woodstock/Thornton Town Line To Thornton Railroad Bridge
- Proclamation Boundary To Proclamation Boundary
More reservoirs
Track Elizabeth Mine Tp-1 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 Elizabeth Mine Tp-1
Where does the data for Elizabeth Mine Tp-1 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 Elizabeth Mine Tp-1.