14-50A 31st Avenue, Queens, NY 11106 Flood Risk | Flood Form
FLOOD FORM 14-50A 31 AVENUE
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.Moderate infiltration potential — standard systems such as drywells and French drains are viable. Estimated groundwater depth of about 5' indicates a persistently shallow water table with elevated seepage potential into below-grade spaces. Property drains to the BB-029 combined sewer outfall.
Property TypeTwo Family Residential, Built 1950
Building Footprint1,034 SF
Roof Runoff 1" Rain645 Gallons
Elevation11'
Groundwater Depth5'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupLow
StormwaterHigh
GroundwaterHigh
CoastalHigh
Infiltration CriteriaValue
Lot Impervious Area2,465 SF
Block Impervious %77%
Soil Infiltration Rate3 IN/HR
Available Area1,132 SF
Infiltration RatingModerate
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupLow
Lot Impervious Area2,465 SF
StormwaterHigh
Block Impervious %77%
GroundwaterHigh
Soil Infiltration Rate3 IN/HR
CoastalHigh
Available Area1,132 SF
Infiltration RatingModerate
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