30-47 23rd Street, Queens, NY 11102 Flood Risk | Flood Form
FLOOD FORM 30-47 23 STREET
Queens, 11102
D
Resilience Grade
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Property Summary
Moderate 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. Property drains to the BB-029 combined sewer outfall.
Property TypeMulti-Family Residential, Built 1925
Building Footprint1,160 SF
Roof Runoff 1" Rain723 Gallons
Elevation18'
Groundwater Depth22'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupLow
StormwaterModerate
GroundwaterMinimal
CoastalMinimal
Infiltration CriteriaValue
Lot Impervious Area1,899 SF
Block Impervious %59%
Soil Infiltration Rate5 IN/HR
Available Area773 SF
Infiltration RatingModerate
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupLow
Lot Impervious Area1,899 SF
StormwaterModerate
Block Impervious %59%
GroundwaterMinimal
Soil Infiltration Rate5 IN/HR
CoastalMinimal
Available Area773 SF
Infiltration RatingModerate
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