Registered Onsite Wastewater Treatment System (OWTS) Installers List

This list is not all inclusive; being listed on our website is optional. For those not listed or to determine if the installer is basic or advanced; request to see a copy of their ID card. You may also verify registration by contacting the Onsite Wastewater Program at (573) 751-6095.

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

Also, a listing of Suspended/Revoked Installers is available.

Displaying 201 - 225 of 1560
Name:
Cain, Dalton
Installer ID #:
39007
Installer Level:
Basic
Date of Expiration:
2026-12-31
Business:
Dalton Cain
State:
MO
Business Phone:
636278-0188
Counties Served:
Lincoln, Pike, St. Charles, Warren
Name:
Cain, John
Installer ID #:
31126
Installer Level:
Advanced
Date of Expiration:
2028-03-31
Business:
Dig-It-Inc.
City, State:
Dittmer, MO
Business Phone:
(314) 560-4679
Counties Served:
N/A
Name:
Caldwell, Chris
Installer ID #:
36092
Installer Level:
Basic
Date of Expiration:
2028-04-30
Business:
Caldwell Construction
City, State:
Center, MO
Business Phone:
(573) 881-5818
Counties Served:
Audrain, Marion, Monroe, Ralls
Name:
Calhoun, Colton
Installer ID #:
39413
Installer Level:
Basic
Date of Expiration:
2028-05-31
Business:
Dirt Pro's LLC
City, State:
Strafford, MO
Business Phone:
(417)-414-8441
Counties Served:
Christian, Dade, Dallas, Greene, Polk, Webster
Name:
Calkins, Duff
Installer ID #:
38073
Installer Level:
Basic
Date of Expiration:
2027-04-30
Business:
Duffers Septic Solutions
City, State:
Seneca, MO
Business Phone:
(417) 214-9489
Counties Served:
Berry, Jasper, Lawrence, McDonald
Name:
Callahan, Leon
Installer ID #:
38760
Installer Level:
Basic
Date of Expiration:
2026-05-31
Business:
Hillside Enterprises
City, State:
Cuba, MO
Business Phone:
(573) 205-9432
Counties Served:
Crawford, Dent, Gasconade, Iron, Phelps
Name:
Callaway, Michael
Installer ID #:
30726
Installer Level:
Advanced
Date of Expiration:
2026-06-30
Business:
C&S Well Service, LLC
City, State:
Daisy, MO
Business Phone:
(573) 266-0126
Counties Served:
Bollinger, Cape Girardeau, Perry
Name:
Calton, Dave
Installer ID #:
38173
Installer Level:
Advanced
Date of Expiration:
2027-09-30
Business:
Digger Dave LLC
City, State:
Lawson, MO
Business Phone:
(816) 873-2208
Counties Served:
Buchanan, Caldwell, Carroll, Clay, Clinton, Daviess, Dekalb, Jackson, Johnson, Lafayette, Linn, Livingston, Platte, Ray
Name:
Campbell, Brad
Installer ID #:
31344
Installer Level:
Basic
Date of Expiration:
2028-03-31
Business:
Top Notch Excavating, LLC
City, State:
Greenfield, MO
Business Phone:
(417)-637-2326
Counties Served:
Barton, Cedar, Dade, Lawrence, Polk
Name:
Cannon, Kyle
Installer ID #:
38127
Installer Level:
Advanced
Date of Expiration:
2027-08-31
Business:
Wehmeyer Farm
City, State:
Moscow Mills, MO
Business Phone:
(636) 368-8264
Counties Served:
Lincoln, Montgomery, St. Charles, Warren
Name:
Cannon, Gary
Installer ID #:
37386
Installer Level:
Basic
Date of Expiration:
2027-04-30
Business:
Wehmeyer Farms, Inc.
City, State:
Moscow Mills, MO
Business Phone:
(636) 368-8264
Counties Served:
Jefferson, Lincoln, St. Charles, St. Louis (County)
Name:
Cantwell, Jeffrey
Installer ID #:
39132
Installer Level:
Basic
Date of Expiration:
2027-05-31
Business:
Jeffrey Cantwell
City, State:
St Louis, MO
Business Phone:
(314) 803-3310
Counties Served:
Washington
Name:
Carl, Brian
Installer ID #:
38812
Installer Level:
Basic
Date of Expiration:
2026-07-31
Business:
Brian Carl SC Site Development
City, State:
Cole Camp, MO
Business Phone:
(573) 789-6683
Counties Served:
Benton, Boone, Camden, Cooper, Henry, Hickory, Johnson, Miller, Moniteau, Morgan, Pettis, Saline
Name:
Carley, Justin
Installer ID #:
38866
Installer Level:
Basic
Date of Expiration:
2026-09-30
Business:
Carley Excavation LLC
State:
MO
Business Phone:
(417) 230-8637
Counties Served:
Camden, Christian, Dallas, Douglas, Greene, Ozark, Stone, Taney, Webster
Name:
Carman, Jesse
Installer ID #:
39345
Installer Level:
Advanced
Date of Expiration:
2028-01-31
Business:
Carman Resources
City, State:
Eldon, MO
Business Phone:
(573) 692-4939
Counties Served:
Boone, Callaway, Maries, Miller, Moniteau, Morgan, Osage, Pulaski
Name:
Carnahan, Heather
Installer ID #:
39226
Installer Level:
Basic
Date of Expiration:
2027-09-30
Business:
Mirowski Inspections
City, State:
Springfield, MO
Business Phone:
(417) 873-9517
Counties Served:
Butler, Carter, Christian, Greene, Lawrence, Ozark, Polk, Reynolds, Ripley, Stoddard, Taney, Wayne, Webster
Name:
Carneal, Jackson
Installer ID #:
39414
Installer Level:
Advanced
Date of Expiration:
2028-05-31
Business:
Myers Plumbing Heating Cooling
City, State:
Trimble, MO
Business Phone:
(816)-927-1551
Counties Served:
Buchanan, Caldwell, Clay, Clinton, Jackson, Lafayette, Platte, Ray
Name:
Carpenter, Bryant
Installer ID #:
39521
Installer Level:
Basic
Date of Expiration:
2028-09-30
Business:
Carpenter Earthworks LLC
City, State:
California, MO
Business Phone:
(573)-353-2530
Counties Served:
Boone, Callaway, Cole, Cooper, Miller, Moniteau, Morgan, Osage, Pettis
Name:
Carr, Joshua
Installer ID #:
38762
Installer Level:
Basic
Date of Expiration:
2026-05-31
Business:
Cutting Edge Excavating LLC
City, State:
Centralia, MO
Business Phone:
(660) 676-9774
Counties Served:
Audrain, Boone, Callaway, Monroe, Randolph
Name:
Carroll, Brad
Installer ID #:
34980
Installer Level:
Advanced
Date of Expiration:
2027-06-30
Business:
Brad & Company
City, State:
Golden, MO
Business Phone:
(417) 271-3667
Counties Served:
Barry
Name:
Carroll, Kenny
Installer ID #:
31661
Installer Level:
Advanced
Date of Expiration:
2026-01-31
Business:
Kenny Carroll Excavating, Inc
City, State:
Camdenton, MO
Business Phone:
(573) 317-0464
Counties Served:
Camden
Name:
Carroll, James
Installer ID #:
38582
Installer Level:
Basic
Date of Expiration:
2026-01-31
Business:
Kenny Carroll Excavating Inc
City, State:
Camdenton, MO
Business Phone:
(573) 317-0464
Counties Served:
Camden, Miller, Morgan, Pulaski
Name:
Carter, John
Installer ID #:
39448
Installer Level:
Advanced
Date of Expiration:
2028-07-31
Business:
Carter's Plumbing
City, State:
Oronogo, MO
Business Phone:
(417)-438-8885
Counties Served:
Barton, Jasper, McDonald, Newton, Vernon
Name:
Carter, John
Installer ID #:
36689
Installer Level:
Basic
Date of Expiration:
2026-02-28
Business:
Carter Concrete & Excavating
City, State:
Harrisburg, MO
Business Phone:
(573) 881-6333
Counties Served:
Audrain, Boone, Callaway, Cooper, Howard, Randolph
Name:
Carter, Alan
Installer ID #:
31609
Installer Level:
Advanced
Date of Expiration:
2026-01-31
Business:
Carter Backhoe
City, State:
Wentzville, MO
Business Phone:
(636) 980-6115
Counties Served:
Lincoln, Montgomery, St. Charles, Warren