This list includes Onsite Soil Evaluators who are authorized to perform soil morphology evaluations for the design of onsite wastewater treatment systems (OWTS).

There may be additional requirement to work in some counties. Contact the county onsite sewage authority to confirm that an individual can evaluate sites/soils in that county.

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Missouri Onsite Soil Evaluators List

 
Boone
Last Name First Name MI Date of Expiration Business Address City State Zip Code Business Phone Counties Served
Chalfant Michael L 3/31/2020 Chalfant 4660 County Rd 414 Fulton MO 65251 (573) 220-4740 Audrain, Boone, Callaway, Cole, Gasconade, Montgomery, Osage
Clark Kerry M 4/30/2019 Kerry M. Clark 8518 County Road 379 New Bloomfield MO 65063 (660) 351-4696 Boone, Callaway, Cooper, Gasconade, Montgomery, Warren
Dohmen Tony E 3/31/2020 Tony Dohmen 1416 Herron Dr Jefferson City MO 65101 (573) 635-1898 Boone, Callaway, Cole, Gasconade, Miller, Moniteau, Osage, Randolph
Kelley Wyn A 3/31/2020 Kelley Soil Services 6611 Sunrise Acres Jefferson City MO 65101 (573) 619-6997 Audrain, Boone, Cole, Cooper, Gasconade, Howard, Miller, Moniteau, Morgan, Montgomery, Osage, Pettis, Phelps, Camden, Callaway
Mayhan Bryan D 11/30/2018 Bryan D Mayhan 1311 Robert Ray Dr Columbia MO 65202 (573) 268-6482 Boone Randolph Audrain Macon Saline
Miles Randy J 3/31/2020 Randy J. Miles LLC 6500 Gillespie Bridge Rd Columbia MO 65203 (573) 424-9029 Audrain, Boone, Callaway, Clay, Cole, Cooper, Howard, Johnson, Lafayette, Macon, Maries, Monroe, Montgomery, Osage, Phelps, Ralls, Randolph, Ray, Saline, Warren
Osborn Mark W 11/30/2020 Osborn Soils Evaluation 609 Hardin St Columbia MO 65203 (573) 442-1750 Audrain, Boone, Callaway, Howard, Randolph

 

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Contact us if you have questions about this list, or to update or correct an address.