Ground conditions at 47-40 21 Street

Foundation risk band: Moderate · data coverage Fair

~9 ftgroundwater depth

~55 ftdepth to bedrock

~12 ftground elevation

24boring sites within ½ mi

The nearest boring data is 11-51 47th Avenue, 519 ft away, where groundwater was about 10 ft down and fill reached 15 ft.

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Boring data within ½ mile

Site	Distance	Groundwater	Fill
11-51 47th Avenue	519 ft	10 ft	15 ft
46-30 21st Street	532 ft	11 ft	2 ft
Arch Street Yards (Lirr)	668 ft	4 ft	3–5 ft
47-28 11th Street	775 ft	10 ft	10 ft
46-34 11th Street	814 ft	8 ft	4–5 ft
Gdc Lic Development	0.21 mi	n/r	6–8 ft
Former Neptune Meter Site	0.23 mi	n/r	18 ft
5-22 49th Avenue	0.31 mi	9 ft	n/r
24-19 Jackson Avenue	0.31 mi	n/r	7–10 ft
23-30 Borden Avenue Development	0.31 mi	11 ft	n/r
Off-Site Paragon Paint And Varnish Corp.	0.32 mi	10 ft	n/r
5-01 47th Road	0.33 mi	14 ft	n/r

Estimates come from public records near this lot and can differ from conditions on the lot itself.