PMHN nr Howard Lake, Anderson County Park Deep

Minnesota Department of Natural Resources

Located in Wright County, Minnesota, this groundwater monitoring location is associated with a water well in the Cambrian-Ordovician aquifer system.

Well Construction

Depth Description
None-393.0 ft 4.0 in diameter steel (black or low carbon) casing
Depth Lithology Description
0.0-3.0 ft TOPSOIL, CLAY soil
3.0-5.0 ft CLAY clay, brown
5.0-35.0 ft SANDY CLAY clay, sand, brown
35.0-40.0 ft CLAY W/GRAVEL clay, gravel
40.0-50.0 ft CLAY & GRAVEL clay, gravel, brown
50.0-60.0 ft MEDIUM SAND & GRAVEL sand, gravel
60.0-75.0 ft COARSE SANDY GRAVEL sand
75.0-95.0 ft FINE SAND sand, gray
95.0-106.0 ft FINE SAND & CLAY sand, clay, gray
106.0-133.0 ft MEDIUM SAND sand, gray
133.0-143.0 ft SAND W/GRAY CLAY sand, clay, gray
143.0-146.0 ft ROCKY CLAY TILL clay, gravel, gray
146.0-156.0 ft SAND & GRAVEL sand, gravel
156.0-163.0 ft CLAY GRAVEL & ROCK clay, gravel, red
163.0-170.0 ft CLAY GRAVEL & ROCK clay, gravel
170.0-172.0 ft SHALES clay, gravel, green
172.0-180.0 ft SHALES bedrock
180.0-190.0 ft SHALES bedrock
190.0-195.0 ft SHALE W/SOME SANDSTONE bedrock
195.0-200.0 ft SHALE bedrock
200.0-210.0 ft SANDY SHALES bedrock
210.0-218.0 ft SANDSTONE & SHALES bedrock
218.0-223.0 ft FINE SAND bedrock
223.0-243.0 ft SHALES W/CEMENTED SANDSTONE bedrock
243.0-245.0 ft SHALE W/ROCK bedrock
245.0-255.0 ft SHALE W/HARD LENSES bedrock
255.0-260.0 ft GREEN SHALE W/RED LENSES bedrock
260.0-270.0 ft SHALES bedrock
270.0-383.0 ft SHALES bedrock
383.0-385.0 ft SANDSTONE HINCKLEY bedrock
385.0-450.0 ft SANDSTONE HINCKLEY bedrock

Operated in cooperation with: