San Bernardino Optimal Basin Management


Lithologic Log for Encanto Park - SBEP (1S/4W-4E3-6)

Sieve

[Altitude of land surface, approximately 1,120 feet Depth is in feet below land surface. Drilled by McCalla Bros, October 1974. Total depth drilled 605 feet Screened intervals: 538-552, 312-352, 243-258, and 162-176 feet]

Depth(ft) from Depth(ft) to Description
0 14 Silty clay and very fine sand, gray brown clay and very fine sand; gray brown
14 25 Clay and very fine sand; light brown
25 34 Silt and very fine sand; light brown
34 39 Silty clay; reddish-brown
39 44 Clay and silt; light brown
44 49 Gravel; subrounded; light brown
49 54 Silt and very fine to coarse gravel, some fine to coarse sand; subrounded to rounded; light brown
54 59 Silt and fine to medium sand, some very fine to medium gravel; subrounded to rounded; light brown
59 64 Silty clay and very fine sand; light brown
64 78 Sandy clay; gray brown
78 90 Sand, fine to medium and silty clay; some fine to very coarse gravel; gray
90 98 Sand, medium to coarse and blue-gray sandy clay, wood chips, some brown clay and fine gravel
98 110 Coarse sand and gravel with blue-gray sandy clay and cobbles
110 123 Clay, sand, blue-gray and brown, some coarse sand
123 145 Coarse sand and gravel with blue-gray clay
145 149 Sand, medium to coarse and fine gravel; and cobbles
149 152 Sand, medium to coarse and fine gravel; some brown clay
152 176 Sand, medium to coarse and fine gravel, occasional brown clay and cobbles; tight
176 182 Clay, sand, gray and medium to coarse sand and fine gravel
182 192 Sand, medium to coarse, and fine gravel
192 194 Sand, medium to coarse and fine gravel, some gray sandy clay
194 220 Sand, medium to coarse and fine gravel, occasional gray sandy clay and cobbles;
220 226 Sand, medium to coarse and gravel, with blue-gray and brown clay
226 269 Sand, medium to coarse and fine gravel with cobbles
269 279 Sand, medium to coarse and some fine gravel, white and brown clay with some wood particles
279 295 Abundant wood with some gray sandy clay
295 304 Sand, medium to coarse and some fine gravel; brown and gray clay
304 314 Coarse sand and gravel with cobbles, some gray clay
314 358 Sand, medium to coarse, with gravel and cobbles
358 370 Sand, medium to coarse, with cobbles and blue-gray sandy clay
370 374 Sand, medium to coarse, gravel, and cobbles with gray-brown sandy clay
374 396 Sand, medium to coarse, gravel, and cobbles, some brown sandy clay
396 404 Sand, medium to coarse, gravel, and cobbles with brown sandy clay
404 420 Sand, medium to coarse, gray and brown sandy clay; and cobbles
420 426 Sand, medium to coarse, with gray sandy clay and some wood particles
426 432 Clay, sand, gray and brown, with medium to coarse sand and some wood particles
432 436 Clay, sandy, gray, with some medium sand, gravel, and cobbles
436 441 Sand, medium to coarse, gravel, and gray sandy clay
441 472 Clay, sand, gray, with some medium to coarse sand, and occasional brown sandy
472 500 Sand, medium to coarse, with gravel and gray sandy clay
500 512 Clay, sand, gray, some fine sand and wood particles
512 542 Sand, medium to coarse, and some gray and white sandy clay; tight in spots
542 552 Sand, medium to coarse and fine gravel, occasional light brown clay
552 570 Clay, sandy, gray and fine to medium sand and gravel
570 585 Clay, red, yellow, light brown, and white with coarse sand
585 605 Clay, sandy, medium brown, some gray sandy clay

San Bernardino Optimal Basin Management

Welcome to the U.S. Geological Survey (USGS) San Bernardino Optimal Basin Management website. This site provides hydrologic data collected or compiled by the USGS in the San Bernardino 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

Questions about Optimal Basin Management? Please contact Wes Danskin (email: wdanskin@usgs.gov or send a letter). 619.225.6132