30-71 31st Street, Queens, NY 11102 Flood Risk | Flood Form
FLOOD FORM 30-71 31 STREET
Queens, 11102
F
Resilience Grade
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Property Summary
High 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 TypeTwo Family Residential, Built 1905
Building Footprint520 SF
Roof Runoff 1" Rain324 Gallons
Elevation38'
Groundwater Depth18'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupLow
StormwaterHigh
GroundwaterLow
CoastalMinimal
Infiltration CriteriaValue
Lot Impervious Area2,031 SF
Block Impervious %81%
Soil Infiltration Rate3 IN/HR
Available Area1,229 SF
Infiltration RatingModerate
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupLow
Lot Impervious Area2,031 SF
StormwaterHigh
Block Impervious %81%
GroundwaterLow
Soil Infiltration Rate3 IN/HR
CoastalMinimal
Available Area1,229 SF
Infiltration RatingModerate
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