USGS -- Groundwater Watch

Explanation of symbols on the state map.

Map generated 8/18/2017 12:10:51 PM

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	13.99 BLS	4/21/2017	320	Piney Point Formation
2	382847076190901	DO Db 19	71.96 BLS	4/21/2017	540	Aquia Formation
3	382916075491702	DO Dh 27	5.93 BLS	4/21/2017	63	Beaverdam Sand
4	382945075570201	DO Df 12	18.11 BLS	9/23/2016	335	Calvert Formation
5	382945075570203	DO Df 14	16.31 BLS	9/23/2016	179	Choptank Formation
6	383151076080801	DO Cd 1	53.85 BLS	9/7/2016	390	Piney Point Formation
7	383225075565002	DO Cf 36	7.06 BLS	7/26/2017	16	Columbia Group
8	383243076042801	DO Ce 84	63.88 BLS	9/29/2016	1346	Patapsco Formation
9	383256076035301	DO Ce 85	24.74 BLS	4/24/2017	230	Cheswold Aquifer
10	383328076153602	DO Cb 8	6.14 BLS	8/8/2016	15	Columbia Group
11	383340076041601	DO Ce 5	87.16 BLS	9/7/2016	405	Piney Point Formation
12	383408076042402	DO Ce 15	16.78 BLS	4/21/2017	970.50	Magothy Formation
13	383708075503801	DO Bg 59	53.57 BLS	4/7/2015	537	Piney Point Formation