Dam Report

Rabbitt Road Swm Pond dam

Maryland, USA Long Draught Branch Hazard Low
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Tonight low
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Dam height
23ft
Hazard rating
Low
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Rabbitt Road Swm Pond -- None dam
Rabbitt Road Swm Pond None · Long Draught Branch
About this dam

Rabbitt Road Swm Pond

Located in Gaithersburg, Maryland, the Rabbitt Road Swm Pond serves as a vital flood risk reduction infrastructure for the local government. Completed in 1981, this earth dam structure stands at 23 feet high and stretches 250 feet in length, with a maximum storage capacity of 55 acre-feet. Positioned along the Long Draught Branch river, the pond's spillway width measures 39 feet, allowing for a maximum discharge of 2700 cubic feet per second.

Despite being rated as having a low hazard potential, the pond underwent a structural modification in 2016 to enhance its resilience. Regular inspections are conducted every five years to ensure its functionality and safety, with the last assessment taking place in January 2017. While the condition assessment remains unrated, the risk assessment categorizes the pond as having a moderate risk level. With its strategic location and design, the Rabbitt Road Swm Pond plays a crucial role in mitigating flood risks and safeguarding the surrounding community from potential water-related hazards.

StateNone
River / streamLong Draught Branch
NID IDMD00551
Owner typeLocal Government
Primary purposeFlood Risk Reduction
Dam typeEarth
Year built1981
Dam height23 ft
Dam length250 ft
Max storage55 AF
Drainage area1.3 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionFri, 06 Jan 2017 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 Rabbitt Road Swm Pond -- inflows here typically show up in storage 24-72 hours later.

Track Rabbitt Road Swm 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 Rabbitt Road Swm Pond

Where does the data for Rabbitt Road Swm 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.