Datum Conversions - Lewisetta VA (LWTV2)
Flood Level	MLLW	MHHW	NAVD88
Zero MLLW	0.00	-1.51	-0.83
Action	2.50	0.99	1.67
Minor	3.00	1.49	2.17
Moderate	3.50	1.99	2.67
Major	4.00	2.49	3.17