San Diego Hydrogeology


Site Description for El Toyon Park - SDEP (17S/2W-16Q9–13)

STATION NUMBER: 324116117050801–5 017S002W16Q009–13S   Agency: USGS
LOCATION: Latitude 32°41'16.06", longitude 117°05'08.15" referenced to North American Datum of 1983, San Diego County, CA, alongitude North edge of park near curb, directly across the street from 2305 East 1st Street, 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-16Q9
17S/2W-16Q10
17S/2W-16Q11
17S/2W-16Q12
17S/2W-16Q13
324116117050801
324116117050802
324116117050803
324116117050804
324116117050805
09/12/2003 to present
09/12/2003 to present
09/15/2003 to present
09/12/2003 to present
09/11/2003 to present
12/22/2005 to present
12/22/2005 to present
12/28/2005 to present
12/22/2005 to present
12/22/2005 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-
16Q13
16Q12
16Q11
16Q10
16Q9

1320
1320
1320
1320
1320

170
430
760
960
1300

150–170
410–430
740–760
920–960
1260–1300

2" PVC
2" PVC
2" PVC
2" PVC
2" PVC
ROAD LOG:

Start at: 12110 Tech Center Dr Poway, CA 92064
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 S via the ramp on the LEFT. 11.2 miles
5: I-15 S becomes CA-15 S. 2.6 miles
6: Merge onto I-805 S. 3.8 miles
7: Take the PALM AVE exit toward NATIONAL CITY. 0.3 miles
8: Turn RIGHT onto PALM AVE. 0.2 miles
9: Turn LEFT onto E DIVISION ST. 0.5 miles
10: Turn RIGHT onto EUCLID AVE. <0.1 miles
11: Turn RIGHT onto E 1ST ST. <0.1 miles
12: End at 2305 E 1st St, National City, CA 91950-2047, US. Well cluster is located alongitude North edge of park near curb, directly across the street from 2305 E. 1st. St. 

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