USGS -- Groundwater Watch

Explanation of symbols on the state map.

Map generated 5/25/2018 10:23:18 AM

Network wells depicted on the Dorchester County, MD location map
Note: Color shading in the table below indicates multiple wells that plot as a single point on the state location map above.
Note: BLS = Water Level in Feet Below Land Surface, RVD = Water Level referenced to a vertical datum

Map Index	Site ID	Site Name	Most Recent Measurement	Date	Well Depth	Local Aquifer
1	382800076180701	DO Db 17	13.74 BLS	4/19/2018	320	Piney Point Formation
2	382847076190901	DO Db 19	75.13 BLS	4/19/2018	540	Aquia Formation
3	382916075491702	DO Dh 27	5.61 BLS	4/19/2018	63	Beaverdam Sand
4	382945075570201	DO Df 12	18.19 BLS	9/22/2017	335	Calvert Formation
5	382945075570203	DO Df 14	16.36 BLS	9/22/2017	179	Choptank Formation
6	383056075500201	DO Ch 42	1.71 BLS	8/23/2017	40.7	Pleistocene-pliocene Series
7	383100076061103	DO Cd 66	13.86 BLS	8/23/2017	129.5	Chesapeake Group
8	383151076080801	DO Cd 1	56.05 BLS	9/25/2017	390	Piney Point Formation
9	383225075565002	DO Cf 36	4.33 BLS	4/19/2018	16	Columbia Group
10	383243076042801	DO Ce 84	65.73 BLS	9/22/2017	1346	Patapsco Formation
11	383256076035301	DO Ce 85	24.88 BLS	4/19/2018	230	Cheswold Aquifer
12	383340076041601	DO Ce 5	89.63 BLS	9/25/2017	405	Piney Point Formation
13	383408076042402	DO Ce 15	16.23 BLS	4/19/2018	970.50	Magothy Formation
14	383708075503801	DO Bg 59	53.57 BLS	4/7/2015	537	Piney Point Formation