21-09 31st Road, Queens, NY 11106 Flood Risk | Flood Form
FLOOD FORM 21-09 31 ROAD
Queens, 11106
F
Resilience Grade
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Property Summary
High Compound Flood Exposure index.Stormwater 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 4' indicates a persistently shallow water table with elevated seepage potential into below-grade spaces. Property drains to the BB-029 combined sewer outfall.
Property TypeMulti-Family Residential, Built 1965
Building Footprint1,034 SF
Roof Runoff 1" Rain645 Gallons
Elevation10'
Groundwater Depth4'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupLow
StormwaterHigh
GroundwaterHigh
CoastalHigh
Infiltration CriteriaValue
Lot Impervious Area1,340 SF
Block Impervious %91%
Soil Infiltration Rate3 IN/HR
Available Area1,421 SF
Infiltration RatingLow
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupLow
Lot Impervious Area1,340 SF
StormwaterHigh
Block Impervious %91%
GroundwaterHigh
Soil Infiltration Rate3 IN/HR
CoastalHigh
Available Area1,421 SF
Infiltration RatingLow
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