Dam Report

Monson Pond dam

Maine, USA Pattee Hazard Low
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Tonight low
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Dam height
16ft
Hazard rating
Low
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Monson Pond -- None dam
Monson Pond None · Pattee
About this dam

Monson Pond

Monson Pond, located in Aroostook, Maine, serves as a vital water supply source for the local community. This earth dam, completed in 1925, stands at 16 feet high and has a storage capacity of 1820 acre-feet. With a surface area of 160 acres and a drainage area of 12 square miles, the pond plays a crucial role in supplying water for fire protection, livestock, recreational activities, and general water supply needs.

Managed by the local government and regulated by the Maine Emergency Management Agency, Monson Pond is inspected regularly to ensure its structural integrity and safety. Despite being classified as having a low hazard potential, the dam's condition assessment is currently not rated. With a spillway width of 10 feet, the pond has the capacity to handle potential overflow events. The surrounding Pattee River contributes to the pond's water source, making it an important resource in the region's water management and climate resilience efforts.

Water resource and climate enthusiasts can appreciate the significance of Monson Pond in sustaining the local ecosystem and providing essential water services. As a key water supply source with multiple purposes, including recreation and livestock support, the pond's management and regulation by the Maine Emergency Management Agency ensure its continued functionality and safety. With its low hazard potential and regular inspections, Monson Pond stands as a vital reservoir in Aroostook, Maine, contributing to the region's water security and environmental sustainability.

StateNone
River / streamPattee
NID IDME00231
Owner typeLocal Government
Primary purposeWater Supply
Dam typeEarth
Year built1925
Dam height16 ft
Dam length120 ft
Max storage1,820 AF
Normal storage1,280 AF
Surface area160.0 ac
Drainage area12.0 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionFri, 25 Jan 2002 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 Monson Pond -- inflows here typically show up in storage 24-72 hours later.

Track Monson Pond 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 Monson Pond

Where does the data for Monson Pond 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 Low 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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Premium feature

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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