30-87 23rd Street, Queens, NY 11102 Flood Risk | Flood Form
FLOOD FORM 30-87 23 STREET
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 TypeMulti-Family Residential, Built 1910
Building Footprint649 SF
Roof Runoff 1" Rain405 Gallons
Elevation12'
Groundwater Depth1'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupLow
StormwaterHigh
GroundwaterHigh
CoastalMinimal
Infiltration CriteriaValue
Lot Impervious Area1,618 SF
Block Impervious %79%
Soil Infiltration Rate3 IN/HR
Available Area1,378 SF
Infiltration RatingLow
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupLow
Lot Impervious Area1,618 SF
StormwaterHigh
Block Impervious %79%
GroundwaterHigh
Soil Infiltration Rate3 IN/HR
CoastalMinimal
Available Area1,378 SF
Infiltration RatingLow
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