21-21 30th Road, Queens, NY 11102 Flood Risk | Flood Form
FLOOD FORM 21-21 30 ROAD
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 1950
Building Footprint966 SF
Roof Runoff 1" Rain602 Gallons
Elevation15'
Groundwater Depth23'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupLow
StormwaterModerate
GroundwaterMinimal
CoastalLow
Infiltration CriteriaValue
Lot Impervious Area1,918 SF
Block Impervious %81%
Soil Infiltration Rate3 IN/HR
Available Area1,939 SF
Infiltration RatingModerate
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupLow
Lot Impervious Area1,918 SF
StormwaterModerate
Block Impervious %81%
GroundwaterMinimal
Soil Infiltration Rate3 IN/HR
CoastalLow
Available Area1,939 SF
Infiltration RatingModerate
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