31-44 30th Street, Queens, NY 11106 Flood Risk | Flood Form
FLOOD FORM 31-44 30 STREET
Queens, 11106
C
Resilience Grade
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Property Summary
Low Compound Flood Exposure index.Groundwater 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. Site overlaps a buried historic stream — groundwater levels may rise rapidly during rain events independent of the resting water table depth; subsurface investigation is recommended before any infiltration work.
Property TypeTwo Family Residential, Built 1925
Building Footprint1,280 SF
Roof Runoff 1" Rain798 Gallons
Elevation44'
Groundwater Depth26'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupMinimal
StormwaterMinimal
GroundwaterLow
CoastalMinimal
Infiltration CriteriaValue
Lot Impervious Area2,364 SF
Block Impervious %87%
Soil Infiltration Rate3 IN/HR
Available Area1,369 SF
Infiltration RatingModerate
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupMinimal
Lot Impervious Area2,364 SF
StormwaterMinimal
Block Impervious %87%
GroundwaterLow
Soil Infiltration Rate3 IN/HR
CoastalMinimal
Available Area1,369 SF
Infiltration RatingModerate
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