Registered Onsite Wastewater Treatment System (OWTS) Installers List

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This list includes Registered Installers who have indicated they work in this county. The list also shows some other counties served. For more registered installers, you can return to the map and check for installers that work in other nearby counties.

Any installer on this list can install basic OWTS. Advanced OWTS installers are noted with ADV and can install advanced OWTS. The requirements for advanced OWTS installers are effective July 1, 2005. There may be additional requirements to work in some counties. Contact the county onsite sewage authority to confirm that an individual can install systems in the county.

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Missouri Registered OWTS Installers List
Advanced Status Last Name First Name MI Business Address City State Zip Code Business Phone Counties Served

Armstrong Mark D Armstrong Plumbing & Trenching 251 N. Martin Ave Kahoka MO 63445 (660) 727-2041 Clark, Scotland, Lewis, Knox

Bash Jordan James Bash's Concrete RR 3 Box 25b Kahoka MO 63445 (660) 216-5565 Clark Scotland Knox Lewis

Boggs Lewis E Boggs Welding RR 3 Box 25X Kahoka MO 63445 (660) 754-5056 Clark, Lewis, Scotland

Ferguson Donnie W Ferguson Plumbing RR 3 Box 145 Kahoka MO 63445 (660) 754-6536 Lewis, Scotland, Knox, Marion, Clark
ADV. Horst Harold
Horst Plumbing RR 1 Box 94 Baring MO 63531 (660) 892-4582 Knox, Scotland, Adair, Lewis
ADV. Lewis Don L Lewis Excavating and Septic Inc 2399 Carbide Lane Keokuk IA 52632 (319) 795-2960 Clark, Knox, Lewis, Scotland

Miller Edwin M Miller Trenching & Excavating RR 1 Box 129 Knox City MO 63446 (660) 342-0321 Knox Adair Lewis Scotland Macon

Nelson Steven E Nelson Electric/Nelson Maytag 108 S. Marion Lancaster MO 63548 (660) 947-4200 Schuyler, Putnam, Adair, Scotland

Paul William A Paul's Trenching & Backhoe RR 3 Box 20C Kahoka MO 63445 (660) 342-3437 Clark, Lewis, Scotland, Knox

Wiley Randy J Randy's Plumbing Inc 116 Division Street Box 22 Cantril IA 52542 (319) 397-2304 Scotland, Clark, Schuyler, Knox

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