USGS -- Groundwater Watch

Explanation of symbols on the state map.

Map generated 2/15/2019 10:17:17 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	13.61 BLS	9/27/2018	320	Piney Point Formation
2	382847076190901	DO Db 19	71.74 BLS	9/27/2018	540	Aquia Formation
3	382916075491702	DO Dh 27	5.35 BLS	9/27/2018	63	Beaverdam Sand
4	382945075570201	DO Df 12	18.45 BLS	9/27/2018	335	Calvert Formation
5	382945075570203	DO Df 14	16.59 BLS	9/27/2018	179	Choptank Formation
6	383151076080801	DO Cd 1	59.15 BLS	9/27/2018	390	Piney Point Formation
7	383225075565002	DO Cf 36	3.13 BLS	1/28/2019	16	Columbia Group
8	383243076042801	DO Ce 84	65.39 BLS	9/27/2018	1346	Patapsco Formation
9	383256076035301	DO Ce 85	25.07 BLS	9/27/2018	230	Cheswold Aquifer
10	383328076153602	DO Cb 8	4.48 BLS	7/31/2018	15	Columbia Group
11	383340076041601	DO Ce 5	92.61 BLS	9/27/2018	405	Piney Point Formation
12	383408076042402	DO Ce 15	15.87 BLS	9/27/2018	970.50	Magothy Formation