San Diego Hydrogeology


Site Description for Naval Base - SDNB (17S/2W-20F1–5)

STATION NUMBER: 324055117064401–5 017S002W20F001–5S   Agency: USGS
LOCATION: Latitude 32°40'55.49", longitude 117°06'44.57" referenced to North American Datum of 1983, San Diego County, in semi-fenced paved parking lot directly east of guard shack at the Main Street/Division Street gate.
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
17S/2W-20F1
17S/2W-20F2
17S/2W-20F3
17S/2W-20F4
17S/2W-20F5		 324055117064401
324055117064402
324055117064403
324055117064404
324055117064405		 8/11/2006 to present
8/11/2006 to present
8/11/2006 to present
8/11/2006 to present
8/11/2006 to present		 10/13/2006 to present
10/13/2006 to present
10/13/2006 to present
10/13/2006 to present
10/13/2006 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
17S/2W-
20F5
20F4
20F3
20F2
20F1
1501
1501
1501
1501
1501
25
85
200
680
1500
20–25
80–85
180–200
660–680
1460–1500
2" PVC
2" PVC
2" PVC
2" PVC
3" PVC
ROAD LOG: From the Poway Field Office:

1: Start out going NORTH on TECH CENTER DR toward SCRIPPS POWAY PKWY. 0.1 miles
2: Turn LEFT onto SCRIPPS POWAY PKWY. 4.4 miles
3: SCRIPPS POWAY PKWY becomes MERCY RD. <0.1 miles
4: Merge onto I-15 SOUTH via the ramp on the LEFT. 11.2 miles
5: I-15 S becomes CA-15 S. 6.6 miles
6: Take the MAIN ST exit toward NATIONAL CITY BL. 0.4 miles
7: From the stoplight at the end of the Main St. exit ramp cross Main St. and proceed straight ahead to Naval Base gate. You MUST show a valid Government ID and be in a vehicle with US Government license plates to be allowed to enter the base. A copy of the USGS ID is in the approved ID book in the guard shack.
8: Make an immediate left turn after the guard shack and proceed straight to the end of chain link fence on the left side of the road. Make a left turn into paved parking lot on left. Well vault is located in paved parking lot maked with 4 yellow metal corner posts. 
Vault is located in semi-fenced paved parking lot directly east of guard shack at the Main St. / Division St. gate. Vault is marked by four yellow metal corner posts.

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