Ground conditions at 73 20th Street

Foundation risk band: Moderate · data coverage Fair

~32 ftgroundwater depth

~188 ftdepth to bedrock

~9 ftground elevation

14boring sites within ½ mi

The nearest boring data is 160 17th Street, 0.21 mi away, where groundwater was about 32 ft down and fill reached 3 ft.

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Boring data within ½ mile

Site	Distance	Groundwater	Fill
160 17th Street	0.21 mi	32 ft	1–3 ft
635 4th Avenue	0.26 mi	40 ft	2 ft
179 22nd Street	0.28 mi	33 ft	n/r
584 4th Avenue	0.28 mi	46 ft	n/r
Red Hook Smith Street	0.29 mi	8 ft	38 ft
651 4th Avenue	0.31 mi	38 ft	5 ft
575-581 4th Avenue	0.33 mi	40 ft	n/r
610 Smith Street	0.33 mi	8 ft	n/r
609-619 4th Avenue	0.33 mi	43 ft	2–6 ft
737 4th Avenue Site	0.36 mi	22 ft	5–7 ft
Former Strauss Auto	0.38 mi	43 ft	6.5–9.5 ft
127 12th Street	0.41 mi	n/r	3–5 ft

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