21-20 Broadway, Queens, NY 11106 Flood Risk | Flood Form
FLOOD FORM 21-20 BROADWAY
Queens, 11106
F
Resilience Grade
How to improve this score
Access Your Flood Form
Enter your email and confirm your address to unlock the full flood exposure data for this property.
Property Summary
High 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. Estimated groundwater depth of about 4' indicates a persistently shallow water table with elevated seepage potential into below-grade spaces. Soil records near this property point to groundwater that may sit close to the surface; a percolation test is recommended before any infiltration work. Property drains to the BB-029 combined sewer outfall.
Property TypeMixed Use, Built 1960
Building Footprint1,144 SF
Roof Runoff 1" Rain713 Gallons
Elevation14'
Groundwater Depth4'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupMinimal
StormwaterMinimal
GroundwaterHigh
CoastalLow
Infiltration CriteriaValue
Lot Impervious Area3,156 SF
Block Impervious %85%
Soil Infiltration Rate3 IN/HR
Available Area1,891 SF
Infiltration RatingModerate
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupMinimal
Lot Impervious Area3,156 SF
StormwaterMinimal
Block Impervious %85%
GroundwaterHigh
Soil Infiltration Rate3 IN/HR
CoastalLow
Available Area1,891 SF
Infiltration RatingModerate
Own this property and want this page removed from search? Request removal.
