USGS -- Water Resources of the United States

Explanation of symbols on the state map.

Network wells depicted on the St. Charles County, MO 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	384323090405801	46N3E-22.8b1	24.46 BLS	6/8/2009	29.3	Quaternary System
2	384411090354601	46N4E-17.3a1	10.54 BLS	6/8/2009	29.4	Quaternary System
3	384422090420701	46N3E-17.1b1	10.9 BLS	7/7/2009	23.7	Quaternary System
4	384504090394701	46N3E-10.1a1	1.9 BLS	6/8/2009	22.9	Quaternary System
5	384619090382701	46N3E-2.7d1	1.3 BLS	6/8/2009	42.9	Quaternary System
6	384629090350901	46N4E-4.8f1	8.48 BLS	6/8/2009	21.4	Quaternary System
7	384634090430201	46N3E-5.8f1	2.37 BLS	6/8/2009	8.0	Quaternary System
8	384635090355101	46N4E-5.5g1	6.41 BLS	6/8/2009	15.2	Quaternary System
9	384646090375501	47N3E-36.3a1	1.58 BLS	6/8/2009	20.0	Quaternary System
10	384734090384801	47N3E-35.2h1	14.1 BLS	7/7/2009	27.6	Quaternary System
11	384737090372001	St. Peters	100.1 BLS	11/23/2009	860	Champlainian Series
12	384846090510301	Wentzville	185.73 BLS	11/23/2009	1337	Canadian Series
13	384917090401601	47N3E-22.5g1	31.68 BLS	6/8/2009	34.2	Quaternary System