12-23 31st Avenue, Queens, NY 11106 Flood Risk | Flood Form
FLOOD FORM 12-23 31 AVENUE
Queens, 11106
F
Resilience Grade
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Property Summary
High Compound Flood Exposure index.Coastal flooding is the primary exposure factor for this property.Moderate infiltration potential — standard systems such as drywells and French drains are viable. A soil boring about 310' away found groundwater at 7', a shallow water table with elevated seepage potential into below-grade spaces. Property drains to the BB-029 combined sewer outfall.
Property TypeOne Family Residential, Built 1901
Building Footprint533 SF
Roof Runoff 1" Rain332 Gallons
Elevation10'
Groundwater Depth7'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupModerate
StormwaterModerate
GroundwaterModerate
CoastalHigh
Infiltration CriteriaValue
Lot Impervious Area1,150 SF
Block Impervious %88%
Soil Infiltration Rate3 IN/HR
Available Area1,134 SF
Infiltration RatingModerate
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupModerate
Lot Impervious Area1,150 SF
StormwaterModerate
Block Impervious %88%
GroundwaterModerate
Soil Infiltration Rate3 IN/HR
CoastalHigh
Available Area1,134 SF
Infiltration RatingModerate
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