Residential

Only those tank sizes and configurations that are listed on the List of Approved Tanks and Distribution Units are approved for installation currently.
Choose from the list below to find approved materials manufacturers:

  
Product Name
  
  
  
A-1 Redi-Mix concreteState: Washington
1,840
A-1 Redi-Mix concreteState: Washington
1,840
A-1 Redi-MixconcreteState: Washington
1,840
Advanced Precast Products

​1000-gal concrete low profile (46”) septic tank

concreteCounty: Deschutes
1,209
Advanced Precast Products

​1000-gal concrete high profile (52”) septic tank

concreteCounty: Deschutes
1,209
Advanced Precast Products

​1000-gal concrete high profile (52”) dosing septic tank

concreteCounty: Deschutes
1,209
Advanced Precast Products

​1500-gal 2-comp. concrete tank, flow-through configuration 

concreteCounty: Deschutes
1,209
Advanced Precast Products

​1500-gal concrete septic tank, holding tank

concreteCounty: Deschutes
1,209
Advanced Precast Products

​1500-gal concrete dosing septic tank

concreteCounty: Deschutes
1,209
Attbar, Inc.

​1000-gal FRP septic tank

fiber reinforced plastic State: Washington
1,640
Attbar, Inc.

​1000-gal FRP dosing septic tank

fiber reinforced plastic State: Washington
1,640
Attbar, Inc.

​1500-gal FRP septic tank

fiber reinforced plasticState: Washington
1,640
Attbar, Inc.

​1500-gal FRP septic tank used as a holding tank

fiber reinforced plasticState: Washington
1,640
Attbar, Inc.

​1500-gal FRP dosing septic tank

fiber reinforced plasticState: Washington
1,640
Belco Manufacturing Co.

​1000-gal steel septic tank

steelCounty: Multnomah
126
Belco Manufacturing Co.

​1000-gal steel septic tank model S1000-T

steelCounty: Multnomah
126
Bob Humbert & Son, Inc.

​500-gal conc. septic dosing tank

concreteCounty: Umatilla
1,030
Bob Humbert & Son, Inc.

​1000-gal conc. septic tank

concreteCounty: Umatilla
1,030
Bob Humbert & Son, Inc.

​1000-gal conc. dosing septic tank

concreteCounty: Umatilla
1,030
Bob Humbert & Son, Inc.

​1500-gal conc. septic tank, holding tank

concreteCounty: Umatilla
1,030
Bob Humbert & Son, Inc.

​1500-gal conc. dosing septic tank

concreteCounty: Umatilla
1,030
Bob Humbert & Son, Inc.concreteCounty: Umatilla
1,030
Bob Humbert & Son, Inc.concreteCounty: Umatilla
1,030
Central Oregon Redi-Mix, LLC

​1000-gal conc. septic tank

concreteCounty: Deschutes
1,509
Central Oregon Redi-Mix, LLC

​1100-gal conc. septic tank

concreteCounty: Deschutes
1,509
Central Oregon Redi-Mix, LLC

​1100-gal conc. single compartment dosing septic tank

concreteCounty: Deschutes
1,509
Central Oregon Redi-Mix, LLC

​1500-gal conc. septic tank

concreteCounty: Deschutes
1,509
Central Oregon Redi-Mix, LLC

​1500-gal conc. single compartment dosing septic tank

concreteCounty: Deschutes
1,509
D&K Concrete Products

​1000-gal conc. septic tank

concreteState: Washington
540
D&K Concrete Products

​1000-gal conc. dosing septic tank

concreteState: Washington
540
D&K Concrete Products

​1500-gal conc. septic tank

concreteState: Washington
540
D&K Concrete Products

​1500-gal conc. dosing septic tank

concreteState: Washington
540
D&K Concrete Products

​1500-gal conc. two-comp. septic tank

concreteState: Washington
540
D&K Concrete Products

​1500-gal conc. two-comp. dosing septic tank

concreteState: Washington
540
D&K Concrete Products

​Conc. Dist. & Drop Boxes

concreteState: Washington
540
Duke’s Septic Tanks

​1000-gal conc. round septic tank

concreteState: Idaho
850
Duke’s Septic Tanks

​1000-gal conc. rectangular septic tank

concreteState: Idaho
850
East Moon Pre-Cast

​500-gal dosing tank

concreteCounty: Klamath
1,409
East Moon Pre-Cast

​1000-gal single comp. septic tank w/effluent filter

concreteCounty: Klamath
1,409
East Moon Pre-Cast

​1500-gal single comp. septic tank

concreteCounty: Klamath
1,409
East Moon Pre-Cast

​1500-gal 2-comp. septic tank

concreteCounty: Klamath
1,409
East Moon Pre-Cast

​2000-gal single comp. dosing septic tank

concreteCounty: Klamath
1,409
East Moon Pre-Cast

​1500-gal conc. partition septic tank

concreteCounty: Klamath
1,409
Floyd & Sons

​1000-gal conc. septic tank

concreteCounty: Crook
1,609
Floyd & Sons

​1500-gal conc. two-chamber septic tank

concreteCounty: Crook
1,609
Floyd & SonsconcreteCounty: Crook
1,609
Floyd & SonsconcreteCounty: Crook
1,609
Floyd & SonsconcreteCounty: Crook
1,609
Floyd & SonsconcreteCounty: Crook
1,609
Floyd & SonsconcreteCounty: Crook
1,609
Floyd & SonsconcreteCounty: Crook
1,609
Floyd & SonsconcreteCounty: Crook
1,609
Infiltrator Systems, Inc.

​“The DistributorTM” HDPE dist. box

plasticState: Connecticut
580
Infiltrator Systems, Inc.

​“The DistributorTM” HDPE drop box

plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.plasticState: Connecticut
580
Infiltrator Systems, Inc.

​IM-1530 gallon septic tank
Approval Letter, Drawing, Installation Manual

plasticState: Connecticut
580
Infiltrator Systems, Inc.

​IM-1530 dosing septic tank
Approval Letter, Drawing, Installation Manual

plasticState: Connecticut
580
Infiltrator Systems, Inc.

​IM-1530 gallon partitioned septic tank
Approval Letter, plans and installation

plasticState: Connecticut
580
Infiltrator Systems, Inc.

​IM-1530 partitioned dosing septic tank (1,300 gallons)
Approval Letter, plans and installation

plasticState: Connecticut
580
Jefferson State Redi-Mix, Inc.

​500-gal conc. dosing tank

concreteCounty: Klamath
218
Jefferson State Redi-Mix, Inc.

​1000-gal conc. low profile septic tank

concreteCounty: Klamath
218
Jefferson State Redi-Mix, Inc.

​1000-gal conc. septic tank

concreteCounty: Klamath
218
Jefferson State Redi-Mix, Inc.

​1100-gal conc. low profile dosing septic tank

concreteCounty: Klamath
218
Jefferson State Redi-Mix, Inc.

​1100-gal conc. dosing septic

concreteCounty: Klamath
218
Jefferson State Redi-Mix, Inc.

​1500-gal conc. septic tank

concreteCounty: Klamath
218
Jefferson State Redi-Mix, Inc.

​1500-gal conc. dosing septic

concreteCounty: Klamath
218
Jefferson State Redi-Mix, Inc.

​1500-gal conc. 2-comp. septic and dosing tank

concreteCounty: Klamath
218
Jensen Precast

​Conc. distribution box

concreteCounty: Deschutes
1,309
Jensen Precast

​1000-gal conc. septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​1100-gal conc. septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​1100-gal conc. single compartment dosing septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​1500-gal conc. septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​1500-gal conc. single compartment dosing septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​1500-gal conc. dosing tank (KR1500SDT)

concreteCounty: Deschutes
1,309
Jensen Precast

​1500-gal. two-chamber septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​2000-gal conc. septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​2000-gal conc. single compartment dosing septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​2500-gal conc. septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​2500-gal conc. single compartment dosing septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​3000-gal conc. septic tank

concreteCounty: Deschutes
1,309
Jensen Precast

​3000-gal conc. single compartment dosing septic tan 

concreteCounty: Deschutes
1,309
Jerry O’Leary

​1000-gal conc. septic tank

concreteCounty: Lake
119
Jerry O’Leary

​1000-gal conc. vault toilet

concreteCounty: Lake
119
Jerry O’Leary

​1500-gal conc. septic tank

concreteCounty: Lake
119
Jerry O’Leary

​1500-gal conc. dosing septic tank

concreteCounty: Lake
119
Jerry O’Leary

​1500-gal conc. holding tank

concreteCounty: Lake
119
Koncrete Industries

​1250-gal conc. septic tank

concreteState: Washington
1,340
Koncrete Industries

​1250-gal conc. dosing septic tank

concreteState: Washington
1,340
La Pine Redi-Mix, Inc.

​1000-gal conc. septic tank

concreteCounty: Deschutes
809
La Pine Redi-Mix, Inc.

​1250-gal conc. septic tank

concreteCounty: Deschutes
809
La Pine Redi-Mix, Inc.

​1100-gal conc. dosing septic tank

concreteCounty: Deschutes
809
La Pine Redi-Mix, Inc.

​1500-gal conc. dosing septic tank

concreteCounty: Deschutes
809
La Pine Redi-Mix, Inc.

​1500-gal partition tank

concreteCounty: Deschutes
809
Lar-Ken Septic Tanks, Inc.

​1000-gal conc. single-comp. septic tank

concreteState: Idaho
750
Michael’s Pre-Cast Concrete

​Conc. distribution and drop boxes

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​500-gal conc. dosing tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1000-gal conc. septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1000-gal conc. H-20 rated septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1000-gal conc. double-compartment septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1000-gal conc. dosing septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1000-gal conc. H-20 rated dosing septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1500-gal conc. septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1500-gal conc. holding tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1500-gal conc. H-20 rated septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1500-gal conc. H-20 rated holding tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1500-gal conc. dosing septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1500-gal conc. H-20 rated dosing septic tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1500-gal conc. septic double tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​1500-gal conc. dosing septic double tank

concreteCounty: Clackamas
403
Michael’s Pre-Cast Concrete

​Octagonal 360 ft2 Sand Filter

sandCounty: Clackamas
403
Mike Tresham Backhoe Service

​1000-gal conc. septic tank

concreteCounty: Umatilla
230
Miller & Sons Excavating

​1000-gal. conc. septic tank, low profile

concreteCounty: Morrow
125
Norwesco, Inc.

​500-gal spherical polyethylene dosing tank (LIMITED)

polyethyleneState: Minnesota
1,810
Norwesco, Inc.

​1000-gal polyethylene septic tank (LIMITED)

polyethyleneState: Minnesota
1,810
Norwesco, Inc.polyethyleneState: Minnesota
1,810
Norwesco, Inc.

​1250-gal polyethylene septic tank (LIMITED)

polyethyleneState: Minnesota
1,810
Norwesco, Inc.polyethyleneState: Minnesota
1,810
Norwesco, Inc.polyethyleneState: Minnesota
1,810
Norwesco, Inc.polyethyleneState: Minnesota
1,810
Norwesco, Inc.

​Bruiser 1000-gal polyethylene septic tank (LIMITED)

polyethyleneState: Minnesota
1,810
Norwesco, Inc.

​Bruiser 1250-gal polyethylene septic tank (LIMITED)

polyethyleneState: Minnesota
1,810
Norwesco, Inc.

​Bruiser 1500-gal polyethylene septic tank (LIMITED)

polyethyleneState: Minnesota
1,810
Norwesco, Inc.polyethyleneState: Minnesota
1,810
Orenco Systems, Inc.fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​750-gal FRP dosing tank

fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​1000-gal FRP septic tank

fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​1000-gal FRP dosing septic tank

fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​1500-gal FRP septic tank

fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​1500-gal FRP septic tank used as a holding tank

fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​1500-gal FRP dosing septic tank

fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​1500-gal FRP septic/dosing septic tanks w/flow-thru baffle

fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​1500-gal FRP two-compartment septic tank

fiber reinforced plasticCounty: Douglas
410
Orenco Systems, Inc.

​1500-gal FRP two-compartment dosing septic tank

fiber reinforced plasticCounty: Douglas
410
Polylok, Inc.plasticState: Connecticut
Precast Concepts, LLC

​1000 gal conc. septic tank

concreteCounty: Lane
320
Precast Concepts, LLC

​1500 gal conc. Partitioned dosing septic tank

concreteCounty: Lane
320
Pre-Cast Concrete Products

​1000-gal conc. 2-piece septic tank

concreteState: Idaho
650
Pre-Cast Concrete Products

​1000-gal conc. 2-piece dosing septic tank

concreteState: Idaho
650
Pre-Cast Concrete Products

​1000-gal conc. 2-piece dosing tank

concreteState: Idaho
650
Premier Plastics Inc.plasticProvince: British Columbia
1,080
Reese Concrete ProductsconcreteState: Washington
Reese Concrete Products Man. Inc.concreteState: Washington
1,540
Reese Concrete Products Man. Inc.concreteState: Washington
1,540
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Riverside Readymix, Inc.concreteCounty: Josephine
517
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.plasticState: New York
780
Roth Global Plastics, Inc.

​Monster Distribution Box

plasticState: New York
780
Roth Global Plastics, Inc.

​RMT-500 gallon dosing tank

plasticState: New York
880
Roth Global Plastics, Inc.

​RMT-750 gallon dosing tank

plasticState: New York
880
Roth Global Plastics, Inc.plasticState: New York
880
Roth Global Plastics, Inc.plasticState: New York
Roth Global Plastics, Inc.plasticState: New York
880
Roth Global Plastics, Inc.plasticState: New York
880
Roth Global Plastics, Inc.

​RMT-1,060 gallon partitioned septic tank

plasticState: New York
880
Roth Global Plastics, Inc.

​RMT-1,060 gallon dosing septic tank

plasticState: New York
880
Roth Global Plastics, Inc.

​RMT-1,060 gallon partitioned dosing septic tank

plasticState: New York
880
Roth Global Plastics, Inc.

​RMT-1,250 gallon septic tank

plasticState: New York
880
Roth Global Plastics, Inc.

​RMT-1,250 gallon dosing septic tank

plasticState: New York
880
Roth Global Plastics, Inc.plasticState: New York
880
Roth Global Plastics, Inc.

​RMT-1,500 gallon septic tank

plasticState: New York
880
Roth Global Plastics, Inc.
RMT-1,500 gallon dosing septic tank

plasticState: New York
880
Roth Global Plastics, Inc.

​RMT-1,500 gallon partitioned septic tank

plasticState: New York
880
Roth Global Plastics, Inc.plasticState: New York
880
Snyder Industries

​1,000 gallon Dominator septic tank

plasticState: Nebraska
980
Snyder Industries

​1,000 gallon Dominator partitioned septic tank

plasticState: Nebraska
980
Snyder Industries

​1,000-gal polyethylene Low Profile septic tank

plasticState: Nebraska
980
Snyder Industries

​1,250-gal polyethylene Low Profile septic tank

plasticState: Nebraska
980
Snyder Industries

​1,500-gal polyethylene Low Profile septic tank

plasticState: Nebraska
980
Snyder Industries

​1,500 gallon Dominator septic tank

plasticState: Nebraska
980
Snyder Industries

​1,500 gallon Dominator partitioned septic tank

plasticState: Nebraska
980
Steele's Septic Tank Service

​1000-gal Low Profile conc. septic tank

concreteCounty: Union
131
Steele's Septic Tank ServiceconcreteCounty: Union
131
Steele's Septic Tank Service

​1000-gal conc. dosing septic tank

concreteCounty: Union
131
Steele's Septic Tank Service

​1050-gal 2-piece conc. septic tank

concreteCounty: Union
131
Steele's Septic Tank Service

​1500-gal 2-piece conc. septic tank and holding tank

concreteCounty: Union
131
Steele's Septic Tank ServiceconcreteCounty: Union
131
Steele's Septic Tank ServiceconcreteCounty: Union
131
Steele's Septic Tank ServiceconcreteCounty: Union
131
Steele's Septic Tank ServiceconcreteCounty: Union
131
Steele's Septic Tank Service

​Conc. drop box

concreteCounty: Union
131
Steele's Septic Tank ServiceconcreteCounty: Union
131
TJK TanksconcreteCounty: Wallowa
332
TJK TanksconcreteCounty: Wallowa
332
Tuff-Tite, Inc.

​Poly Dist Box (4HD2, 7HD2, 9HD3)

polyethyleneState: Illinois
280
Tuff-Tite, Inc.

​Poly Drop Box (6"DB)

polyethyleneState: Illinois
280
Utility Vault Company

​3000-gal septic tank

concreteCounty: Clackamas
303
Waite Concrete Products

​Conc. distribution and drop boxes

concreteCounty: Clackamas
103
Waite Concrete Products

​500-gal conc. dosing tank; holding tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1000-gal conc. septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1000-gal conc. dosing septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1000-gal 2-piece septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1000-gal 2-piece (mid seam) dosing septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1000-gal 2-piece (mid seam) septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1500-gal conc. septic tank; holding tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1500-gal conc. dosing septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1500-gal conc. partitioned dosing septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1500-gal conc. 2-comp. septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1500-gal conc. 2-comp. septic and dosing tank

concreteCounty: Clackamas
103
Waite Concrete Products

​2000-gal conc. septic tank; dosing tank; holding tank

concreteCounty: Clackamas
103
Waite Concrete Products

​3000-gal conc. septic tank; holding tank

concreteCounty: Clackamas
103
Waite Concrete Products

​3000-gal conc. dosing septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​3000-gal conc. septic tank; dosing tank; holding tank

concreteCounty: Clackamas
103
Waite Concrete Products

​3000-gal conc. H-20 rated septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​3000-gal conc. H-20 rated partitioned septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1000-gal conc H-20 septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1000-gal conc H-20 dosing septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1500-gal conc H-20 partitioned septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1500-gal conc H-20 holding tank

concreteCounty: Clackamas
103
Waite Concrete Products

​1500-gal conc H-20 septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​2000-gal conc H-20 septic tank

concreteCounty: Clackamas
103
Waite Concrete Products

​2,000-gal conc H-20 holding tank

concreteCounty: Clackamas
103
Waite Concrete Products

​2000-gal conc H-20 dosing septic tank

concreteCounty: Clackamas
103
Waite Concrete ProductsconcreteCounty: Clackamas
103
Waite Concrete ProductsconcreteCounty: Clackamas
103
Waldport Ready Mix

​1000-gal conc. septic tank

concreteCounty: Lincoln
121
Waldport Ready Mix

​1100-gal conc. dosing septic tank

concreteCounty: Lincoln
121
Waldport Ready Mix

​1500-gal conc. septic tank

concreteCounty: Lincoln
121
Waldport Ready Mix

​1500-gal conc. dosing septic tank

concreteCounty: Lincoln
121
Waldport Ready Mix

​1500-gal conc. partitioned dosing septic tank

concreteCounty: Lincoln
121
Westfall

​1500 gallon conc. two compartment septic tank W/ filter

concreteCounty: Umatilla
130
Westfall

​1500 gallon conc. two compartment septic tank W/O filter

concreteCounty: Umatilla
130
Westfall

​1500 gallon conc. partition dosing septic tank

concreteCounty: Umatilla
130
Westfall

​1000 gallon conc. septic tank

concreteCounty: Umatilla
130
Westfall

​1000 gallon conc. dosing septic tank

concreteCounty: Umatilla
130
Westfall

​500 gallon conc. dosing tank

concreteCounty: Umatilla
130
Willamette Graystone, Inc.

​Conc. Dist. & Drop Boxes

concreteCounty: Douglas
310
Willamette Graystone, Inc.concreteCounty: Douglas
310
Willamette Graystone, Inc.

​1000-gal conc. septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​1000-gal dosing septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.concreteCounty: Douglas
310
Willamette Graystone, Inc.concreteCounty: Douglas
310
Willamette Graystone, Inc.concreteCounty: Douglas
310
Willamette Graystone, Inc.concreteCounty: Douglas
310
Willamette Graystone, Inc.

​1250-gal septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​1500-gal conc. septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​1500-gal conc. dosing septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​1500-gal conc. holding tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​1500-gal conc. “partition” dosing septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​1500-gal conc. 2-compartment septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.concreteCounty: Douglas
310
Willamette Graystone, Inc.

​2000-gal conc. septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​2000-gal conc. dosing septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​3000-gal conc. septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​3000-gal conc. dosing septic tank

concreteCounty: Douglas
310
Willamette Graystone, Inc.

​3000-gal conc. holding tank (outlet sealed)

concreteCounty: Douglas
310