11-21 31st Drive, Queens, NY 11106 Flood Risk | Flood Form
FLOOD FORM 11-21 31 DRIVE
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.Low infiltration potential — conveyance and management strategies may be more appropriate. Property drains to the BB-029 combined sewer outfall. Proximity to a NYS DEC remediation site warrants soil testing before any infiltration work.
Property TypeTwo Family Residential, Built 1920
Building Footprint1,000 SF
Roof Runoff 1" Rain623 Gallons
Elevation13'
Groundwater Depth12'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupMinimal
StormwaterLow
GroundwaterLow
CoastalHigh
Infiltration CriteriaValue
Lot Impervious Area2,460 SF
Block Impervious %95%
Soil Infiltration Rate5 IN/HR
Available Area1,241 SF
Infiltration RatingLow
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupMinimal
Lot Impervious Area2,460 SF
StormwaterLow
Block Impervious %95%
GroundwaterLow
Soil Infiltration Rate5 IN/HR
CoastalHigh
Available Area1,241 SF
Infiltration RatingLow
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