Dam Report

Scovill Reservoir Dam dam

Connecticut, USA Mad River Hazard High
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Dam height
32ft
Hazard rating
High
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Scovill Reservoir Dam -- None dam
Scovill Reservoir Dam None · Mad River
About this dam

Scovill Reservoir Dam

Scovill Reservoir Dam, also known as Scovill Aka Woodtick Reservoir, is a masonry dam located in the picturesque city of Wolcott, Waterbury, in Connecticut. Completed in 1917, this historic structure serves primarily for recreation purposes, with a normal storage capacity of 1300 acre-feet and a maximum storage of 1800 acre-feet. Situated on the Mad River, the dam stands at a height of 32 feet and stretches 280 feet in length, creating a surface area of 138 acres for water enthusiasts to enjoy.

Managed by local government authorities and regulated by the Connecticut Department of Energy and Environmental Protection (DEEP), Scovill Reservoir Dam poses a high hazard potential due to its design and location. Despite this, the dam's condition was assessed as satisfactory during the last inspection in December 2019, with a regular inspection frequency of every two years to ensure its structural integrity and safety. The dam's emergency action plan (EAP) was last reviewed in August 2014, indicating a commitment to preparedness and risk management for potential emergencies.

With its rich history, scenic location, and vital role in providing recreational opportunities to the community, Scovill Reservoir Dam stands as a testament to the importance of water resource management and climate resilience. As a significant landmark in New Haven County, Connecticut, this dam serves as a reminder of the delicate balance between harnessing the power of water for human benefit and ensuring the safety and well-being of local residents and visitors alike.

StateNone
River / streamMad River
NID IDCT00294
Owner typeLocal Government
Primary purposeRecreation
Dam typeMasonry
Year built1917
Dam height32 ft
Dam length280 ft
Max storage1,800 AF
Normal storage1,300 AF
Surface area138.0 ac
Drainage area8.5 sq mi
Hazard potentialHigh
ConditionSatisfactory
Last inspectionMon, 16 Dec 2019 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.

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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
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Long-term outlook

15-day temperature & precipitation

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

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Scovill Reservoir Dam -- inflows here typically show up in storage 24-72 hours later.

Track Scovill Reservoir 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 Scovill Reservoir Dam

Where does the data for Scovill Reservoir 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 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.

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