California Water Science Center (CAWSC) - Temecula Hydrogeology Project (THP)

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Temecula Hydrogeology

Welcome to the U.S. Geological Survey (USGS) Temecula website. This site provides hydrologic data collected or compiled by the USGS for the Temecula area; some additional data may be available from the USGS database National Water Information System (NWIS).

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

Temecula Creek - TMTC (8S/2W-15F1-5)

Lithologic Summary

[Altitude of land surface, 1110.53 feet above NAVD88. Depth is in feet below land surface. Soil and rock color notation from Munsell Color (2000). Drilled by U.S. Geological Survey using hydraulic rotary, March 2013. Total depth drilled 1720 feet. Screened intervals: 80-100, 240-260, 610-630, 1115-1135, and 1610-1650 feet.]

Depth (ft) Description
From To
0 8 Sand (m-vc) to Sandy (m-vc) gravel (gran.-sm.peb.) Lt. Yellowish Brown (2.5Y 6/3) 
8 24 Gravelly (gran.-sm. peb.) sand (m-vc) to Sand (vf-m) Grayish Brown (2.5Y 5/2) 
24 34 Gravelly (gran.-sm. peb.) sandy (vf-vc) clayey silt Dark Gray (2.5Y 3/1) 
34 61 Slightly gravelly (gran.-lg. peb.) sand (f-vc) w/ minor silt Lt. Brownish Gray (2.5Y 6/2) 
61 65 Sandy (vf-m) clayey silt w/ minor gravel (gran.-sm.peb.) Dark Gray (2.5Y 3/1) 
65 85 Slightly gravelly (gran.-v. lg. peb.) sand (m-vc) w/ minor clay hor. Lt. Olive Gray (5Y 6/2) 
85 105 Slightly gravelly (gran.-lg. peb.) sand (f-vc) w/ minor clay Lt. Yellowish Brown (2.5Y 6/3) 
105 118 Clayey silty sandy (vf-vc) (sticky) Yellowish Brown (10YR 5/4) 
118 149 Slightly gravelly (gran.-sm. peb.) sand (f-vc) w/ minor clay Lt. Yellowish Brown (2.5Y 6/3) 
149 204 Slightly gravelly (gran.-sm. peb.) sand (f-vc) w/ minor clay Yellowish Brown (10YR 5/4) 
204 226 Slightly gravelly (gran.-sm. peb.) silty clayey sand (vf-vc) Lt. Yellowish Brown (2.5Y 6/3) 
226 235 Slightly gravelly (gran.-sm. peb.) sand (vf-vc) w/ minor clay Brown (10YR 4/3) 
235 282 Slightly gravelly (gran.-sm. peb.) sand (vf-vc) w/ minor silt Lt. Yellowish Brown (2.5Y 6/4) 
282 397 Interbedded Sandy (vf-m) clayey silt & Sand (vf-vc) Lt. Olive Brown (2.5Y 5/3) 
397 403 Clayey sandy (m-vc) gravel (gran.-md. peb.) Pale Yellow (2.5Y 7/3) 
403 515 Interbedded Sandy (vf-m) silty clay & Clayey silty sand (vf-vc) w/ trace gravel (gran.) Lt. Olive Brown (2.5Y 5/3) 
515 526 Sandy (vf-c) silty clay to Sand (vf-c) V. Dark Grqy (2.5Y 3/1) 
526 698 Interbedded Sand (vf-c) & Sandy (vf-c) silty clay Lt. Olive Brown-Lt. Yellowish Brown (2.5Y 5/3-2.5Y 6/3) 
698 800 Interbedded Sandy (vf-vc) silty clay & Sand (vf-vc) w/ minor clay Grayish Brown (2.5Y 5/2) 
800 871 Interbedded Sand (vf-vc) & Sandy (vf-vc) silty clay Lt. Olive Brown (2.5Y 5/3) 
871 1040 Interbedded Sandy (vf-vc) silty clay & Slightly gravelly (gran.-md. peb.) sand (vf-vc) w/ minor clay Grayish Brown (2.5Y 5/2) 
1040 1055 Sand (vf-vc) w/ trace clay Lt. Yellowish Brown (2.5Y 6/3) 
1055 1134 Sandy (vf-vc) silty clay & Sand (vf-vc) w/ minor gravel (gran.-sm.peb.) Grayish Brown (2.5Y 5/2) 
1134 1153 Clayey sandy (vf-vc) silt Gray (2.5Y 5/1) 
1153 1305 Interbedded Sandy (vf-vc) silty clay & Slightly gravelly (gran-sm. peb.) sand (vf-vc) Grayish Brown (2.5Y 5/2) 
1305 1333 Interbedded Clayey silty sand (vf-vc) & Sand (vf-vc) w/ trace gravel (gran.-sm. peb.) Grayish Brown (2.5Y 5/2) 
1333 1500 Interbedded Sandy (vf-vc) silty clay & Clayey silty sand (vf-vc) Grayish Brown (2.5Y 5/2) 
1500 1540 Sandy (vf-vc) silty clay to Sandy (vf-vc) silt Olive (5Y 5/3) 
1540 1584 Interbedded Clayey sandy (vf-m) silt & Sandy (vf-m) silt Olive (5Y 5/3) 
1584 1720 Interbedded Clayey sandy (vf-m) silt & Gravelly (gran-sm peb) sand (vf-vc) Olive (5Y 5/3)