Dam Report

Tankerhoosen Lake North Dam dam

Connecticut, USA Tankerhoosen River Hazard Significant
Today high
--
Tonight low
--
Dam height
16ft
Hazard rating
Significant
Loading current conditions…
Loading next 24 hours…
Loading 7-day outlook…
Tankerhoosen Lake North Dam -- None dam
Tankerhoosen Lake North Dam None · Tankerhoosen River
About this dam

Tankerhoosen Lake North Dam

Tankerhoosen Lake North Dam, located in Vernon, Connecticut, is a historic masonry dam completed in 1830 with a primary purpose of recreation. The dam stands at 16 feet tall and stretches 237 feet in length, creating a reservoir with a storage capacity of 99 acre-feet and a surface area of 16.5 acres. Situated on the Tankerhoosen River, this dam plays a crucial role in providing recreational opportunities for the surrounding community.

Despite its age, Tankerhoosen Lake North Dam is deemed to be in fair condition as of the last assessment in 2015, with a significant hazard potential. The dam is state-regulated and subject to regular inspections, with a mandated inspection frequency of five years. In case of emergencies, the dam lacks an updated Emergency Action Plan, raising concerns about its readiness in the face of potential risks. With its picturesque location and rich history, Tankerhoosen Lake North Dam remains a vital resource for water and climate enthusiasts seeking to explore the intersection of nature and human engineering.

StateNone
River / streamTankerhoosen River
NID IDCT00623
Owner typeState
Primary purposeRecreation
Dam typeMasonry
Year built1830
Dam height16 ft
Dam length237 ft
Max storage99 AF
Normal storage99 AF
Surface area16.5 ac
Drainage area11.0 sq mi
Hazard potentialSignificant
ConditionFair
Last inspectionWed, 08 Apr 2015 00:00:00 GMT

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.
Detailed forecast

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.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

Loading hourly forecast…
Deep dive

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.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
Loading detailed forecast…
Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

Loading 15-day outlook…
Regional inflow

Nearby streamflow gauges

USGS streamgauges around Tankerhoosen Lake North Dam -- inflows here typically show up in storage 24-72 hours later.

Track Tankerhoosen Lake North Dam 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.

FAQ

About Tankerhoosen Lake North Dam

Where does the data for Tankerhoosen Lake North Dam 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 Significant 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.

More reservoirs

Other water bodies near here

Snoflo-tracked reservoirs and dams within driving distance of Tankerhoosen Lake North Dam.