Ground conditions at 170 Heyward Street

Foundation risk band: Moderate · data coverage Good

~9 ftgroundwater depth

~161 ftdepth to bedrock

~16 ftground elevation

67boring sites within ½ mi

The nearest boring data is 415-419 Marcy Avenue, 920 ft away, where groundwater was about 7 ft down and fill reached 3 ft.

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Boring data within ½ mile

Site	Distance	Groundwater	Fill
415-419 Marcy Avenue	920 ft	7 ft	3 ft
47 Walton Street	967 ft	6 ft	2–3 ft
89 Union Avenue	972 ft	13 ft	n/r
242 Wallabout Street - DOB Job No. NB-301813278	0.20 mi	7 ft	8 ft
100 Union Avenue Redevelopment Site	0.21 mi	8 ft	n/r
100 Union Avenue	0.21 mi	8 ft	n/r
131 Harrison Avenue	0.21 mi	12 ft	n/r
527 Flushing Avenue "New Bldg."	0.22 mi	9 ft	6–8 ft
535 Flushing Ave.	0.22 mi	13 ft	10 ft
151 Lorimer Street - DOB Job No. 320965354	0.23 mi	8 ft	5 ft
153 Lorimer Street	0.24 mi	8 ft	5 ft
Former Pfizer Site A	0.25 mi	8 ft	5 ft

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