31-55 12th Street, Queens, NY 11106 Flood Risk | Flood Form
FLOOD FORM 31-55 12 STREET
Queens, 11106
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. Site overlaps a buried historic stream — groundwater levels may rise rapidly during rain events independent of the resting water table depth; subsurface investigation is recommended before any infiltration work.
Property TypeTwo Family Residential, Built 1925
Building Footprint416 SF
Roof Runoff 1" Rain259 Gallons
Elevation11'
Groundwater Depth1'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupLow
StormwaterHigh
GroundwaterHigh
CoastalHigh
Infiltration CriteriaValue
Lot Impervious Area1,568 SF
Block Impervious %69%
Soil Infiltration Rate3 IN/HR
Available Area1,529 SF
Infiltration RatingLow
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupLow
Lot Impervious Area1,568 SF
StormwaterHigh
Block Impervious %69%
GroundwaterHigh
Soil Infiltration Rate3 IN/HR
CoastalHigh
Available Area1,529 SF
Infiltration RatingLow
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