San Diego Hydrogeology


Site Description for Otay Trolley - SDOT (18S/2W-22E3–7)

STATION NUMBER: 323527117050001–5 018S002W22E003–7S   Agency: USGS
LOCATION: Latitude 32°35'27.62", longitude 117°05'00.51" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 NW 1/4 sec.22, T.18 S., R.2 W., San Diego County, CA
WATER-LEVEL RECORD: The period of record for intermittent and daily water-level measurements is listed below.
State well number USGS station number Intermittent Water-level Daily water-level
18S/2W-22E3
18S/2W-22E4
18S/2W-22E5
18S/2W-22E6
18S/2W-22E7		 323527117050001
323527117050002
323527117050003
323527117050004
323527117050005		 4/11/2008 to present
4/11/2008 to present
4/11/2008 to present
4/11/2008 to present
4/11/2008 to present		 8/23/2008 to present
8/23/2008 to present
8/23/2008 to present
8/23/2008 to present
8/23/2008 to present
COOPERATION: The station is operated under cooperative agreement with the Sweetwater Authority
WELL CHARACTERISTICS:
Well Id Hole depth (ft) Well depth (ft) Perforation depth (ft) Casing size & type
18S/2W-
22E7
22E6
22E5
22E4
22E3
1610
1610
1610
1610
1610
65
235
560
930
1535¹
45–65
215–235
540–560
910–930
1455–1535*
2" PVC
2" PVC
2" PVC
2" PVC
3" PVC
* Note: 40-foot sump (1495–1535).
¹ Note: Sump
ROAD LOG: Start at: 12110 Tech Center Dr Poway, CA 92064

1. Head north on Tech Center Dr toward Gregg St - 0.2 mi
2. Take the 2nd left onto Scripps Poway Pkwy - 4.4 mi
3. Continue onto Mercy Rd - 0.1 mi
4. Turn left to merge onto I-15 S - 11.2 mi
5. Continue onto CA-15 S - 5.9 mi
6. Take exit 1C to merge onto I-5 S toward National City/Chula Vista -7.3 mi
7. Take exit 5B for Main St - 0.3 mi
8. Turn left at Main St - 0.6 mi
9. Take the 3rd right onto Jacqua St - 0.1 mi
10. Turn right at Faivre St - 0.1 mi

Project Chief: Wes Danskin
Phone: 619-225-6132
Email: wdanskin@usgs.gov

Welcome to the United States Geological Survey (USGS) San Diego Hydrogeology (SDH) project website, which provides geologic and hydrologic information for the transboundary San Diego–Tijuana area, USA and Mexico. This website provides background information about the project; a variety of news items; a large amount of data, in particular for USGS multiple-depth, monitoring-well sites; geologic and hydrologic models; and additional resources including photos, illustrations, and references.

Last updated: July 2023.

Some additional data may be available from the USGS database National Water Information System (NWIS).

Questions about San Diego Hydrogeology? Please contact Wes Danskin (email: wdanskin@usgs.gov or send a letter). 619.225.6132