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 1451 - 1475 of 1560
Name:
Wade, Jakob
Installer ID #:
38781
Installer Level:
Basic
Date of Expiration:
2026-05-31
Business:
Bob Hamilton Plumbing
City, State:
Overland Park, KS
Business Phone:
(913) 243-3961
Counties Served:
Cass, Clay, Jackson, Platte
Name:
Wagner, Ernest
Installer ID #:
31312
Installer Level:
Advanced
Date of Expiration:
2026-03-31
Business:
Wagner Tree Trimming & Trenching
City, State:
Lonedell, MO
Business Phone:
(636) 629-1842
Counties Served:
Crawford, Franklin, Jefferson, Washington
Name:
Walborn, James
Installer ID #:
38974
Installer Level:
Basic
Date of Expiration:
2027-01-31
Business:
James Walborn
City, State:
Stockton, MO
Business Phone:
(803) 448-3557
Counties Served:
Cedar, Dade, Polk
Name:
Wald, Michael
Installer ID #:
34251
Installer Level:
Advanced
Date of Expiration:
2026-01-31
Business:
Michael Wald
City, State:
Carterville, MO
Business Phone:
(417) 437-6723
Counties Served:
Barry, Barton, Jasper, Lawrence, McDonald, Newton
Name:
Wald II, Larry
Installer ID #:
34264
Installer Level:
Advanced
Date of Expiration:
2026-02-28
Business:
C&L GREASE AND WASTEWATER SERVICES, LLC
City, State:
CARTERVILLE, MO
Business Phone:
(417) 717-0587
Counties Served:
Jasper, Lawrence, McDonald, Newton
Name:
Walker, John
Installer ID #:
38841
Installer Level:
Basic
Date of Expiration:
2026-07-31
Business:
Chapman Septic Service
City, State:
Independence, MO
Business Phone:
(816) 690-7206
Counties Served:
Cass, Clay, Henry, Jackson, Johnson, Lafayette, Platte, Ray
Name:
Walker, Dustin
Installer ID #:
38209
Installer Level:
Advanced
Date of Expiration:
2027-11-30
Business:
1st Choice Septic Pumping
City, State:
Camdenton, MO
Business Phone:
(573) 280-5052
Counties Served:
Benton, Camden, Dallas, Hickory
Name:
Walker, Kayman
Installer ID #:
38975
Installer Level:
Basic
Date of Expiration:
2027-01-31
Business:
Rikard Plumbing Llc.
City, State:
Cassville, MO
Business Phone:
(417) 271-0345
Counties Served:
Barry, Stone
Name:
Wallace, Harry
Installer ID #:
33212
Installer Level:
Advanced
Date of Expiration:
2026-02-28
Business:
Wallace Backhoe
City, State:
Warsaw, MO
Business Phone:
(660) 723-0374
Counties Served:
Benton, Camden, Henry, Hickory, Pettis, St. Clair
Name:
Wallace, Brian
Installer ID #:
34089
Installer Level:
Advanced
Date of Expiration:
2025-10-31
Business:
Wallace Construction LLC
City, State:
Bolivar, MO
Business Phone:
(417) 327-7449
Counties Served:
Cedar, Dade, Dallas, Greene, Hickory, Polk, St. Clair, Stone, Webster
Name:
Wallander, Jerry
Installer ID #:
39437
Installer Level:
Advanced
Date of Expiration:
2028-05-31
Business:
Jerry Wallander and Son Excavating
City, State:
Garden City, MO
Business Phone:
(816)-419-9149
Counties Served:
Bates, Cass, Henry, Johnson
Name:
Waller, John
Installer ID #:
39166
Installer Level:
Basic
Date of Expiration:
2027-05-31
Business:
John Walker
State:
MO
Business Phone:
N/A
Counties Served:
N/A
Name:
Wallis, Ryan
Installer ID #:
36062
Installer Level:
Advanced
Date of Expiration:
2027-12-31
Business:
Ryan J Wallis
City, State:
Bismark, MO
Business Phone:
(573) 209-1041
Counties Served:
Jefferson, St. Louis (County), Ste. Genevieve, St. Francois, Washington
Name:
Wammack, Brent
Installer ID #:
38795
Installer Level:
Advanced
Date of Expiration:
2026-05-31
Business:
Wamco LLC
State:
MO
Business Phone:
(417) 741-0469
Counties Served:
Christian, Douglas, Howell, Ozark, Taney, Texas, Webster, Wright
Name:
Ward, Mike
Installer ID #:
34886
Installer Level:
Advanced
Date of Expiration:
2027-04-30
Business:
Ward's Excavating
City, State:
Branson West, MO
Business Phone:
(417) 338-1190
Counties Served:
Barry, Christian, Stone, Taney
Name:
Wassman, Jackie
Installer ID #:
39297
Installer Level:
Basic
Date of Expiration:
2027-12-31
Business:
N/A
City, State:
Washburn, MO
Business Phone:
(479) 790-3637
Counties Served:
Barry, McDonald, Newton
Name:
Watkins, Blaine
Installer ID #:
38579
Installer Level:
Basic
Date of Expiration:
2026-01-31
Business:
Blaine Watkins
City, State:
Wood Heights, MO
Business Phone:
(816) 812-9250
Counties Served:
Caldwell, Clay, Ray
Name:
Watring, Tom
Installer ID #:
38009
Installer Level:
Advanced
Date of Expiration:
2027-03-31
Business:
Septic Services, Inc.
City, State:
Union, MO
Business Phone:
(636) 583-5564
Counties Served:
Crawford, Franklin, Jefferson, St. Charles, St. Louis (County), Warren
Name:
Wear, Brian
Installer ID #:
39438
Installer Level:
Basic
Date of Expiration:
2028-05-31
Business:
Brian Wear Plumbing
City, State:
Columbia, MO
Business Phone:
(573)-864-4463
Counties Served:
Boone, Cooper, Howard
Name:
Weaver, Jeremy
Installer ID #:
39439
Installer Level:
Advanced
Date of Expiration:
2028-05-31
Business:
Honest Abe’s Home Services
City, State:
Osage Beach, MO
Business Phone:
(573) 286-7540
Counties Served:
Benton, Boone, Callaway, Camden, Cole, Cooper, Dallas, Hickory, Howard, Laclede, Maries, Miller, Moniteau, Osage, Pettis, Phelps, Pulaski, Saline
Name:
Weber, Mason
Installer ID #:
39498
Installer Level:
Advanced
Date of Expiration:
2028-08-31
Business:
N/A
City, State:
N/A
Business Phone:
(816)-645-2650
Counties Served:
Cass, Clay, Jackson, Johnson, Lafayette, Ray
Name:
Weber, Justin
Installer ID #:
30262
Installer Level:
Advanced
Date of Expiration:
2028-05-31
Business:
Jake's Backhoe and Construction
City, State:
Hermann, MO
Business Phone:
(573) 619-9703
Counties Served:
Franklin, Gasconade, Montgomery, Warren
Name:
Weber, David
Installer ID #:
37126
Installer Level:
Advanced
Date of Expiration:
2026-07-31
Business:
Weber Construction LLC
City, State:
Union, MO
Business Phone:
(636) 584-0283
Counties Served:
Franklin, Gasconade, Jefferson, St. Louis (County), Warren
Name:
Webster, James
Installer ID #:
33471
Installer Level:
Advanced
Date of Expiration:
2026-04-30
Business:
Webster Plumbing, Inc.
City, State:
Camdenton, MO
Business Phone:
(573) 346-2697
Counties Served:
Camden, Laclede, Miller, Morgan
Name:
Webster, Greg
Installer ID #:
35840
Installer Level:
Advanced
Date of Expiration:
2026-10-31
Business:
Webster Plumbing Inc
City, State:
Camdenton, MO
Business Phone:
(573) 346-2697
Counties Served:
Camden, Laclede, Miller, Morgan, Pulaski