San Diego Hydrogeology


Site Description for Mile of Cars - SDMC (17S/2W-33D1–5)

STATION NUMBER: 323915117055301–5 017S002W33D001–5S   Agency: USGS
LOCATION: Latitude 32°39'15.89", longitude 117°05'53.68" referenced to North American Datum of 1983, San Diego County, CA, Hydrologic Unit is unknown, southwest corner of fenced, empty lot at 3303 National City Blvd, National City.
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-33D1
17S/2W-33D2
17S/2W-33D3
17S/2W-33D4
17S/2W-33D5		 323915117055301
323915117055302
323915117055303
323915117055304
323915117055305		 10/13/2005 to present
10/13/2005 to present
10/13/2005 to present
10/13/2005 to present
10/13/2005 to present 		11/30/2005 to present
11/30/2005 to present
11/30/2005 to present
11/30/2005 to present
11/30/2005 to present
COOPERATION: The station is operated under cooperative agreement with the Sweetwater Authority
WELL CHARACTERISTICS: Due to tidal influcences, some wells in this cluster may have brackish water. In order to obtain an accurate reading, the sensitivity knob on the electic tape must be set more towards "low".
Well Id Hole depth (ft) Well depth (ft) Perforation depth (ft) Casing size & type
17S/2W-
33D5
33D4
33D3
33D2
33D1
1502
1502
1502
1502
1502
75
280
720
1120
1480
35–75
260–280
700–720
1100–1120
1440–1480
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
3: Merge onto I-15 S via the ramp on the LEFT. 11.2 miles
4: I-15 S becomes CA-15 S. 2.6 miles
5: Merge onto I-805 S. 6.0 miles
6: Merge onto CA-54 W. 1.6 miles
7: Take the NATIONAL CITY BLVD exit toward BROADWAY. 0.1 miles
8: Turn RIGHT onto NATIONAL CITY BLVD. <0.1 miles
9: End at 3303 National City Blvd National City, CA 91950. 
Well cluster is located in Southwest corner of fenced, empty lot at 3303 National City Blvd, National City, CA 91950. Drive-in access is possible through gate at Northwest corner of empty lot ( lock on gate). Walk-in access is possible by parking on paved drive to "Swap Meet" entrance, stepping over metal guard rail and walking down slope to vault.

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