31-21 30th Street, Queens, NY 11106 Flood Risk | Flood Form
FLOOD FORM 31-21 30 STREET
Queens, 11106
D
Resilience Grade
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Property Summary
Moderate Compound Flood Exposure index.Stormwater flooding is the primary exposure factor for this property.High infiltration potential — standard systems such as drywells and French drains are viable. Property drains to the BB-029 combined sewer outfall.
Property TypeMulti-Family Residential, Built 1925
Building Footprint800 SF
Roof Runoff 1" Rain499 Gallons
Elevation45'
Groundwater Depth25'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupMinimal
StormwaterModerate
GroundwaterMinimal
CoastalMinimal
Infiltration CriteriaValue
Lot Impervious Area4,245 SF
Block Impervious %80%
Soil Infiltration Rate3 IN/HR
Available Area3,477 SF
Infiltration RatingHigh
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupMinimal
Lot Impervious Area4,245 SF
StormwaterModerate
Block Impervious %80%
GroundwaterMinimal
Soil Infiltration Rate3 IN/HR
CoastalMinimal
Available Area3,477 SF
Infiltration RatingHigh
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