Water and Waste Tanks | Standard and Custom Solutions
A range of marine-grade fresh water and waste tanks is available in standard sizes—no tooling required—offering fast, cost-effective options for OEM boat builders. Custom tank solutions are also available, designed to meet specific dimensional, fitting, and compliance requirements for reliable onboard performance in harsh marine environments.
Three Tank Solutions to Fit Marine Water and Waste System Requirements
Not every project justifies a tooling investment. That’s why a comprehensive line of linear low-density polyethylene (LLDPE) marine tanks is available, offering customizable fitting locations without added tooling costs. These options help streamline installation while supporting specific design requirements and lead times.
- Blank Tanks: Standard models available for immediate delivery
- Semi-Custom: Choose a standard tank, then specify fitting size, quantity, and placement—no tooling needed
- Full Custom: Fully tailored tank and fitting configurations built to meet unique design specifications
How to Get Your Quote
- Select your tank size from the list
- Choose the number of fittings
Waste and Water Tank Brochure
Water Tanks
Manufactured from FDA-approved resin, these tanks comply with FDA regulation 21 CFR 177.1520 and meet U.S. Coast Guard requirements. Suitable for potable water storage, all models are made from natural LLDPE and offered in both standard and heavy-duty wall thicknesses.
Waste Tanks
Designed for black and gray water applications, these tanks meet the material and pressure standards defined in federal regulation 33 CFR 159. Constructed from black LLDPE with heavy-duty walls, they provide enhanced safety, durability, and odor control.
Specification Chart
|
Water Tank |
WasteTank** |
|||||
|
Tanks |
Gallons* |
Length |
Width |
Height |
Standard Wall |
Heavy Duty |
|
B5687 |
5 |
16 |
11.75 |
8 |
0.187” |
0.250” |
|
B5542 |
6 |
16 |
12 |
8 |
0.187” |
0.250” |
|
B5600 |
7 |
17.5 |
11 |
10 |
0.187” |
0.250” |
|
B5448 |
9 |
15 |
15 |
11 |
0.187” |
0.250” |
|
B5543 |
9 |
17 |
14 |
10 |
0.187” |
0.250” |
|
B5685 |
9 |
17 |
13.75 |
10.25 |
0.187” |
0.250” |
|
B5686 |
9 |
15 |
15 |
11 |
0.187” |
0.250” |
|
B5732 |
9 |
23 |
11.125 |
9 |
0.187” |
0.250” |
|
B5376 |
12 |
23.75 |
16 |
8 |
0.187” |
0.250” |
|
B5544 |
12 |
24 |
15 |
9 |
0.187” |
0.250” |
|
B5588 |
12 |
24.75 |
14 |
9 |
0.187” |
0.250” |
|
B5451 |
13 |
23.25 |
12.25 |
11.75 |
0.187” |
0.250” |
|
B5683 |
13 |
23.25 |
12.25 |
11.75 |
0.187” |
0.250” |
|
B5545 |
16 |
25 |
15 |
11 |
0.187” |
0.250” |
|
B5613 |
18 |
19.5 |
18.375 |
13 |
0.187” |
0.250” |
|
B5450 |
19 |
30 |
16 |
10 |
0.187” |
0.250” |
|
B5587 |
19 |
24 |
16.5 |
12 |
0.187” |
0.250” |
|
B5689 |
19 |
30 |
16 |
10 |
0.187” |
0.250” |
|
B5546 |
20 |
21 |
17 |
14 |
0.187” |
0.250” |
|
B5547 |
26 |
38 |
17 |
10 |
0.187” |
0.250” |
|
B5077 |
29 |
32 |
16 |
14 |
0.187” |
0.250” |
|
B5548 |
31 |
29 |
22 |
12 |
0.187” |
0.250” |
|
B5549 |
36 |
37 |
16 |
15 |
0.187” |
0.300” |
|
B5550 |
40 |
31 |
19 |
17 |
0.250” |
0.300” |
|
B5551 |
45 |
35 |
20 |
16 |
0.250” |
0.300” |
|
B5552 |
50 |
31 |
20 |
20 |
0.250” |
0.300” |
|
B5553 |
57 |
43 |
25 |
13 |
0.250” |
0.300” |
* Approximate Gallons
**Waste Tanks are required to be heavy-duty.
HD Raised Fittings
- #56HD 1-1/2” raised fitting
- #74HD ¾” raised fitting
- #53HD ½” raised fitting
HD Flush Fittings
- #57HD 1-1/2” flush-fitting
- #79HD ¾” flush-fitting
- #83HD ½” flush-fitting
Threaded Sending Unit Fittings
- #56HD 1-1/2” raised fit
- #57HD 1-1/2” flush-fitting
- Optional threaded fitting for sending unit.