Dam Report

Dole Reservoir Dam dam

New Hampshire, USA Tr Stevens Brook Hazard High
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Tonight low
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Dam height
43ft
Hazard rating
High
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Dole Reservoir Dam -- None dam
Dole Reservoir Dam None · Tr Stevens Brook
About this dam

Dole Reservoir Dam

Dole Reservoir Dam, located in Claremont, New Hampshire, is a vital structure managed by the local government for water supply purposes. Constructed in 1913, this earth dam stands at a height of 43 feet and spans 526 feet in length, with a storage capacity of 133 acre-feet. Situated on the TR Stevens Brook, the dam serves the surrounding area with a normal storage capacity of 123 acre-feet, covering a surface area of 9.2 acres and draining a 0.05 square mile watershed.

Maintained by the NHDES Dam Bureau, Dole Reservoir Dam has been deemed to have a high hazard potential but is currently in satisfactory condition, as assessed in October 2017. With a moderate risk rating, the dam undergoes inspections every two years, with the last inspection conducted in July 2019. The spillway type is uncontrolled with a width of 30 feet, capable of handling a maximum discharge of 160 cubic feet per second. Despite its age, the dam continues to meet regulatory standards, providing a crucial water resource for the region while managing potential risks effectively.

For water resource and climate enthusiasts, Dole Reservoir Dam presents a historic yet functional piece of infrastructure that plays a crucial role in ensuring water supply reliability in the area. With a focus on safety and regulatory compliance, the dam's management by the local government and oversight by the state regulatory agency highlight the importance of sustainable water resource management in the face of changing climate conditions. As a key component of the region's water infrastructure, the dam serves as a reminder of the ongoing efforts to balance water supply needs with environmental considerations and risk management strategies in the face of potential hazards.

StateNone
River / streamTr Stevens Brook
NID IDNH00143
Owner typeLocal Government
Primary purposeWater Supply
Dam typeEarth
Year built1913
Dam height43 ft
Dam length526 ft
Max storage133 AF
Normal storage123 AF
Surface area9.2 ac
Drainage area0.1 sq mi
Hazard potentialHigh
ConditionSatisfactory
Last inspectionFri, 12 Jul 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 Dole Reservoir Dam -- inflows here typically show up in storage 24-72 hours later.

Track Dole 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 Dole Reservoir Dam

Where does the data for Dole 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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