30-23 23rd Street, Queens, NY 11102 Flood Risk | Flood Form
FLOOD FORM 30-23 23 STREET
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. Soil borings about 180' away found no groundwater to a depth of 37' in 2024. Soil records near this property point to deep fill soil; a percolation test is recommended before any infiltration work. Property drains to the BB-029 combined sewer outfall.
Property TypeMulti-Family Residential, Built 1970
Building Footprint1,134 SF
Roof Runoff 1" Rain707 Gallons
Elevation21'
Groundwater Depth37'
SewershedBB-029
Flood Exposure TypeScore
Sewer BackupLow
StormwaterModerate
GroundwaterMinimal
CoastalMinimal
Infiltration CriteriaValue
Lot Impervious Area1,858 SF
Block Impervious %83%
Soil Infiltration Rate3 IN/HR
Available Area779 SF
Infiltration RatingModerate
Flood Exposure TypeScore
Infiltration CriteriaValue
Sewer BackupLow
Lot Impervious Area1,858 SF
StormwaterModerate
Block Impervious %83%
GroundwaterMinimal
Soil Infiltration Rate3 IN/HR
CoastalMinimal
Available Area779 SF
Infiltration RatingModerate
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