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

Last Name First Name MI Date of Expiration Business Address City State Zip Code Business Phone Counties Served
Bauer John H 10/31/2019 On-site Soils, Inc 4077 N. Saint Peters Pkway, Suite 110 St Peters MO 63304 (888) 878-1461 Franklin, Jefferson, Lincoln, St. Charles, Pike, Montgomery, Warren, St.Louis, Gasconade, Crawford, St.Francois, Ste. Genevieve, Washington
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
Gaines Douglas B 3/31/2020 Gaines Soil Consulting 8611 Wiseman RD Worden IL 62097 (636) 947-1221 Franklin, Jefferson, Lincoln, Montgomery, Pike, St. Charles, St. Louis, Warren
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
Meinert Dennis M 10/31/2019 Home & Farm Soil Consulting 835 Gerling Lane New Haven MO 63068 (573) 237-5081 Audrain Callaway Cole Crawford Dent Franklin Gasconade Jefferson Lincoln Maries Montgomery Osage Phelps Pike Pulaski St. Charles St.Louis Warren Washington Ste. Genevieve Texas Dent Iron Ralls Monroe
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
Roth Matt W 3/31/2020 On-Site Soils 4077 N Saint Peters St Peters MO 63304 (888) 878-1461 Franklin, Jefferson, Lincoln, Montgomery, Pike, St. Charles, St. Louis, Warren, Gasconade, Crawford, Ste. Genevieve Washington St.Francois
Rousseau Matt D 7/31/2019 M.R. Soil Consulting LLC PO Box 1427 Ballwin MO 63022 (636) 394-1838 Franklin Gasconade Jefferson Lincoln St. Charles St. Louis Warren Washington St. Francois Ste. Genevieve Crawford Pike Montgomery Ralls Callaway Monroe Audrain
Wegman Scott W 3/31/2020 Elijah's Brook, Inc 7030 County Road 308 Taylor MO 63471 (573) 541-7645 Adair, Callaway, Clark, Chariton, Grundy, Knox, Lewis, Lincoln, Linn, Livingston, Macon, Marion, Mercer, Monroe, Montgomery, Pike, Putnam, Ralls, Randolph, Schuyler, Scotland, Sullivan, Shelby,


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