FLOOD FORM
23-36 30 AVENUE

Queens, 11102

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 220' 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. 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 TypeMulti-Family Residential, Built 1965

Building Footprint1,225 SF

Roof Runoff 1" Rain764 Gallons

Elevation28'

Groundwater Depth37'

SewershedBB-029

Flood Exposure TypeScore

Sewer BackupLow

StormwaterModerate

GroundwaterMinimal

CoastalMinimal

Infiltration CriteriaValue

Lot Impervious Area2,578 SF

Block Impervious %83%

Soil Infiltration Rate3 IN/HR

Available Area985 SF

Infiltration RatingModerate