21-33 31st Avenue, Queens, NY 11102 Flood Risk | Flood Form
FLOOD FORM 21-33 31 AVENUE
Queens, 11102
F
Resilience Grade
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Property Summary
High Compound Flood Exposure index.Groundwater flooding is the primary exposure factor for this property.Low infiltration potential — conveyance and management strategies may be more appropriate. Estimated groundwater depth of about 1' indicates a persistently shallow water table with elevated seepage potential into below-grade spaces. Property drains to the BB-029 combined sewer outfall.
Property TypeMixed Use, Built 1925
Building Footprint1,025 SF
Roof Runoff 1" Rain639 Gallons
Elevation14'
Groundwater Depth1'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupModerate
StormwaterModerate
GroundwaterHigh
CoastalLow
Infiltration CriteriaValue
Lot Impervious Area2,393 SF
Block Impervious %94%
Soil Infiltration Rate3 IN/HR
Available Area933 SF
Infiltration RatingLow
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupModerate
Lot Impervious Area2,393 SF
StormwaterModerate
Block Impervious %94%
GroundwaterHigh
Soil Infiltration Rate3 IN/HR
CoastalLow
Available Area933 SF
Infiltration RatingLow
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