Dam Report

Fernwood Lake West Dam dam

Massachusetts, USA Little River Basin Hazard High
Today high
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Tonight low
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Dam height
11ft
Hazard rating
High
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Fernwood Lake West Dam -- None dam
Fernwood Lake West Dam None · Little River Basin
About this dam

Fernwood Lake West Dam

Fernwood Lake West Dam, located in Gloucester, Massachusetts, was completed in 1877 and serves primarily for recreational purposes. This earth dam stands at a height of 11 feet and spans a length of 373 feet, creating a reservoir with a normal storage capacity of 225 acre-feet and a maximum storage of 370 acre-feet. The dam is situated within the Little River Basin and is under the regulatory oversight of the Department of Conservation and Recreation in Massachusetts.

Despite its historical significance, Fernwood Lake West Dam poses a high hazard potential due to its poor condition assessment. The dam has a high-risk classification, indicating the need for close monitoring and potential risk management measures. The last inspection in January 2020 revealed the dam's deteriorating state, highlighting the urgency for maintenance and emergency preparedness.

Water resource and climate enthusiasts should take note of Fernwood Lake West Dam's critical condition and the potential risks it poses to the surrounding area. With its high hazard potential and poor condition assessment, there is a pressing need for proactive measures to ensure the safety and integrity of this vital water infrastructure. As climate change continues to impact water resources, the maintenance and management of dams like Fernwood Lake West Dam are crucial for safeguarding communities and ecosystems against potential risks and disasters.

StateNone
River / streamLittle River Basin
NID IDMA01337
Owner typeLocal Government
Primary purposeRecreation
Dam typeEarth
Year built1877
Dam height11 ft
Dam length373 ft
Max storage370 AF
Normal storage225 AF
Surface area28.0 ac
Drainage area0.5 sq mi
Hazard potentialHigh
ConditionPoor
Last inspectionThu, 16 Jan 2020 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 Fernwood Lake West Dam -- inflows here typically show up in storage 24-72 hours later.

Track Fernwood Lake West 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 Fernwood Lake West Dam

Where does the data for Fernwood Lake West 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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