30-88 23rd Street, Queens, NY 11102 Flood Risk | Flood Form
FLOOD FORM 30-88 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 4' indicates a persistently shallow water table with elevated seepage potential into below-grade spaces. Soil records near this property point to groundwater that may sit close to the surface; a percolation test is recommended before any infiltration work. Property drains to the BB-029 combined sewer outfall.
Property TypeMulti-Family Residential, Built 1921
Building Footprint1,000 SF
Roof Runoff 1" Rain623 Gallons
Elevation13'
Groundwater Depth4'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupModerate
StormwaterModerate
GroundwaterHigh
CoastalLow
Infiltration CriteriaValue
Lot Impervious Area2,681 SF
Block Impervious %94%
Soil Infiltration Rate3 IN/HR
Available Area690 SF
Infiltration RatingLow
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupModerate
Lot Impervious Area2,681 SF
StormwaterModerate
Block Impervious %94%
GroundwaterHigh
Soil Infiltration Rate3 IN/HR
CoastalLow
Available Area690 SF
Infiltration RatingLow
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