Free shipping on your order of RV & Marine Parts of $100 or more.

Does not apply to toilets, tanks or battery boxes.

 

$75 Flat Rate Shipping on all Foot Pedal Toilets!

Call (800) 253-0115 for freight quote on all other toilets. 

Marine & RV Waste & Water Tanks

Click here to download Waste/Water TankOrder FormAvailable tank sizes are listed below.

tanks.jpg

If you're looking for GMC tanks, click here:  https://ardemco.com/gmc-waste-and-water-tanks/

Looking for superior marine and RV waste and water tanks? You have come to the right place. At Ardemco, we carry only the highest quality boat and RV sanitation products.

We have a huge selection of Polyethylene marine and RV waste & water tanks and we're here to help you find the right holding tank for your RV or boat.  Additionally we can provide all of fittings and other necessary installation materials to make the installation as simple as possible to accomplish in very little time without professional assistance.

If you can't find the right system, or you aren't sure how to install it, contact our customer service line at (800) 253-0115 or send us an email at james@ardemco.com. We're available Monday through Friday between 8:30 AM and 4:30 PM PST. Feel free to ask any questions, and let us know if you need help choosing the right parts.

Don't settle for inferior marine sanitation parts. Shop Ardemco today and get the best!

How to Order Waste and Water Tanks from Ardemco

Use our order form to order your waste or water tanks.  Download the ORDER FORM and email to James@ardemco.com.

How to Find the Proper Waste or Water Tank for your Boat or RV

Your tank will fit in a space described in inches by maximum length, maximum width and maximum height.  Multiply these three dimensions together then divide by 231.  This gives you your gallonage capacity. 

For example: 40" long by 20" wide by 10" tall would be 40x20x10=8000 divided by 231 equals 34 gallons. In this case you would consult the list below for tanks in the 34 gallon section.

Notes

Wall Thickness for Heavy Duty Tanks is a minimum of 5/16". Length, Width and Height dimensions are indicated in inches to the nearest 1/8".

The gallonage shown for each Tank is nominal and not intended to be exact. All Tanks are natural white unless otherwise specified.

Fittings will be located per customer's specifications with 1/4", 3/8",1/2",3/4",1", 1-1/2", 2"or 3" threaded inlets or outlets.

The materials will be non-toxic FDA accepted linear polyethylene.

If you're looking for GMC tanks, click here:  https://ardemco.com/gmc-waste-and-water-tanks/

 

Available Tanks (By Gallon and Dimensions)

Tank Gallonage and Dimensions Product SKU Price
HD 9 gal Waste and Water Tank 30 1/4" X 10" X 9" 23WHD 296.50
     
10 gal Waste and Water Tank 15 3/8" X 13 1/4" X 13 1/4" B263HD 269.53
10 gal Waste and Water Tank 17 3/4" X 12 1/2" X 11" B365HD 296.50
10 gal Waste and Water Tank 26" X 11" X 11" B438HD 269.53
10 gal Waste and Water Tank 32" X 19 1/2" X 4 3/4" B323HD 296.50
     
     
11 gal Waste and Water Tank 15 3/8" X 13 1/2" X 13 1/2" B286HD 269.53
11 gal Waste and Water Tank 17" X 16" X 11" B375HD 247.89
11 gal Waste and Water Tank 18" X 13" X 13" 16WHD 323.48
11 gal Waste and Water Tank 24" X 15 1/2" X 8 1/2" 14WHD 323.45
11 gal Waste and Water Tank 35" X 19 1/2" X 1 3/4" B319HD 296.50
     
12 gal Waste and Water Tank B255HD 323.44
12 gal Waste and Water Tank 15 1/2" X 15 1/4" X 14 3/4" B441HD 323.48
12 gal Waste and Water Tank 17 1/2" X 14" X 12" B105HD 323.45
12 gal Waste and Water Tank 20" X 12" X 12" B124HD 323.44
12 gal Waste and Water Tank 23" X 11 1/2" X 11 1/2" B279HD 323.44
12 gal Waste and Water Tank 29 3/4" X 13 7/8" X 8 1/8" 3WHD 323.45
     
13 gal Waste and Water Tank 15 7/8" X 15 1/8" X 14 1/2" B262HD 323.44
13 gal Waste and Water Tank 18 1/4" X 14 3/8" X 13 1/8" B266HD 323.44
13 gal Waste and Water Tank 21" X 13" X 13" 11WHD 323.45
13 gal Waste and Water Tank 30" X 16" X 7 1/2" 37WHD 323.45
     
14 gal Waste and Water Tank 15 5/8" X 15 5/8" X 15 1/8" B274HD 323.45
14 gal Waste and Water Tank 17 1/2" X 14 1/2" X 14 1/4" B265HD 361.60
14 gal Waste and Water Tank 24 1/2" X 16 1/2" X 9 1/8" B245HD 323.44
     
15 gal Waste and Water Tank 17 1/2" X 16 3/4" X 13 3/4" B320HD 323.44
15 gal Waste and Water Tank 20" X 13" X 13" B175HD 323.44
15 gal Waste and Water Tank 20" X 15" X 12" B131HD 323.44
15 gal Waste and Water Tank 22" X 17" X 9 7/8" B264HD 323.44
15 gal Waste and Water Tank 24" X 18 1/2" X 8 1/2" B388HD 323.44
15 gal Waste and Water Tank 27 1/2" X 14 3/4" X 9 1/2" B251HD 323.44
     
16 gal Waste and Water Tank 16" X 16" X 16" B106HD 323.45
     
17 gal Waste and Water Tank 19 1/2" X 18" X 12" B325HD 350.40
17 gal Waste and Water Tank 23" X 21" X 9" 36WHD 350.40
17 gal Waste and Water Tank 32" X 12" X 12" 27WHD 377.33
17 gal Waste and Water Tank 19 3/4" X 15 3/4" X 14" B359HD 350.40
     
18 gal Waste and Water Tank B369HD 377.32
18 gal Waste and Water Tank 20" X 17" X 13" B159HD 350.40
18 gal Waste and Water Tank 22" X 17" X 12" B366HD 377.32
18 gal Waste and Water Tank 25" X 25" X 7 3/4" B211HD 377.32
18 gal Waste and Water Tank 40" X 18" X 6" B235HD 377.32
18 gal Waste and Water Tank 48 1/2" X 10 3/4" X 8" B232HD 377.32
     
19 gal Waste and Water Tank 38" X 15 1/2" X 8 1/8" 20WHD 377.33
HD 19 gal Waste and Water Tank 29" X 23" X 8" B480HD 458.25
     
20 gal Waste and Water Tank 18 1/2" X 18" X 16" B257HD 377.32
20 gal Waste and Water Tank 21" X 21" X 11 1/4" B233HD 377.32
20 gal Waste and Water Tank 24" X 17" X 12' B200HD 377.32
20 gal Waste and Water Tank 28 1/4" X 14 1/2" X 11 1/2" B231HD 377.32
20 gal Waste and Water Tank 28" X 16 1/8" X 12 1/4" B213HD 404.31
20 gal Waste and Water Tank 30" X 18" X 10 1/2" B181HD 377.32
20 gal Waste and Water Tank 32" X 16 1/2" X 10" 57WHD 377.33
20 gal Waste and Water Tank 33 1/4" X 17 1/8" X 8 3/4" B234HD 377.32
20 gal Waste and Water Tank 35" X 19" X 7 3/4" 72WHD 377.33
20 gal Waste and Water Tank 35" X 13" X 11" 39WHD 377.33
20 gal Waste and Water Tank 20 3/4" X 17 3/4" X 13 3/4" B227HD 377.32
     
21 gal Waste and Water Tank 19 7/8" X 16 7/8" X 16 3/8" B281HD 330.14
21 gal Waste and Water Tank 53 1/2" X 16 3/4" X 6" B355HD 349.83
     
22 gal Waste and Water Tank 23" X 16 7/8" X 14 3/4" B276HD 346.44
22 gal Waste and Water Tank 34" X 12" X 12" B128HD 377.32
22 gal Waste and Water Tank 45 1/2" X 11 1/2" X 11 1/2" B430HD 346.13
     
23 gal Waste and Water Tank 40" X 18" X 8" B378HD 309.29
23 gal Waste and Water Tank 50" X 16" X 8" 50WHD 458.26
23 gal Waste and Water Tank 44 1/2" X 12 1/2" X11 1/2" B450HD 309.29
     
24 gal Waste and Water Tank 44" X 26" X 6" B446HD 404.32
     
25 gal Waste and Water Tank 22 1/2" X 22 1/2" X 12" B225HD 431.28
25 gal Waste and Water Tank 23 1/2" X 23" X 12" B250HD 431.28
25 gal Waste and Water Tank 30" X 20" X 10" B163HD 404.31
25 gal Waste and Water Tank 32" X 22" X 10" B408HD 431.28
25 gal Waste and Water Tank 36" X 32" X 6" B425HD 330.13
25 gal Waste and Water Tank 38" X 20" X 9" 71WHD 458.26
     
26 gal Waste and Water Tank 60" X 21" X 6" B406HD 458.25
     
27 gal Waste and Water Tank 43" X 16" X 10 1/2" 24WHD 458.26
     
28 gal Waste and Water Tank 20 3/4" X 19 1/4" x 17 5/8" B273HD 485.20
28 gal Waste and Water Tank 35 1/2" X 15" 13" B161HD 458.25
28 gal Waste and Water Tank 36" X 18" X 12" B437HD 458.26
28 gal Waste and Water Tank 48" X 14" X 10" B239HD 485.20
28 gal Waste and Water Tank 48" X 20" X 8" 69WHD 485.21
28 gal Waste and Water Tank 60" X 16" X 8" 52WHD 485.21
     
     
30 gal Waste and Water Tank 24" X 20" X 16" B118HD 382.65
30 gal Waste and Water Tank 30" X 20" X 12" B157HD 458.26
30 gal Waste and Water Tank 30" X 24" X 10" B162HD 458.25
30 gal Waste and Water Tank 39 "X 15" X 12 1/2" B140HD 458.25
30 gal Waste and Water Tank 40" X 20" X 10" B424HD 349.83
30 gal Waste and Water Tanks 33" X 20 1/2" X 11" B350HD 458.25
     
31 gal Waste and Water Tank 31" X 23" X 11 1/2" 26WHD 485.21
     
32 gal Waste and Water Tank 30" X 16 1/2" X 16" B127HD 485.22
32 gal Waste and Water Tank 37 1/2" X 19" X 12" 2WHD 485.21
32 gal Waste and Water Tank 44 1/2" X 15 1/2" X 12 1/2" B449HD 391.46
32 gal Waste and Water Tank 69" X 11" X 11" B316HD 512.16
     
33 gal Waste and Water Tank 60" X 22" X 7" B409HD 370.69
33 gal Waste and Water Tank 70" X 16" X 8" 53WHD 539.08
     
34 gal Waste and Water Tank 34" X 26 " X 9 1/2" B381HD 458.25
     
35 gal Waste and Water Tank 32 1/8" X 19 1/2" X 15" 1W HD 485.21
35 gal Waste and Water Tank 48" X 17" X 10" B147HD 485.20
35 gal Waste and Water Tank 67" X 14 X 10" B371 592.96
     
36 gal Waste and Water Tank 30 1/2" X 21 1/2" X 13 3/4" B158HD 512.16
36 gal Waste and Water Tank 30" X 22" X 14" 7WHD 512.16
36 gal Waste and Water Tank 32" X 32" X 9 1/4" B383HD 566.04
36 gal Waste and Water Tank 45" X 18 1/2" X 11 1/4" 38WHD 512.16
36 gal Waste and Water Tank 46" X 36" X 6" B428HD 391.52
36 gal Waste and Water Tank 48 1/2" X 14 1/2" X 13 1/4" 6WHD 512.16
     
37 gal Waste and Water Tank B372HD 432.08
37 gal Waste and Water Tank 40 1/2" X 24" X 10" 17WHD 566.04
     
38 gal Waste and Water Tank 37" X 28" X 9" B346HD 566.04
     
40 gal Waste and Water Tank 23 1/2" X 23" X 18" B221HD 566.04
40 gal Waste and Water Tank 28" X 23" X 16" B432HD 566.04
40 gal Waste and Water Tank 29 7/8" X 20 7/8" X 16 5/8" B256HD 566.04
40 gal Waste and Water Tank 34 3/4" X 26" X 11" B347HD 566.04
40 gal Waste and Water Tank 37 3/4" X 22 1/2" X 12 5/8" B456HD 452.94
40 gal Waste and Water Tank 39" X 18" X 14" B309HD 566.04
40 gal Waste and Water Tank 42" X 26 3/4" X 9 1/2" B222HD 566.04
40 gal Waste and Water Tank 54" X 20" X 9" B305HD 566.04
40 gal Waste and Water Tank 58" X 13 3/4" X 12" B240HD 566.04
40 gal Waste and Water Tank 26 1/2" X 21 1/2" X 18" B252HD 566.04
     
41 gal Waste and Water Tank 36" X 23" X 13" 47WHD 593.00
     
42 gal Waste and Water Tank 24" X 24" X 19" B443HD 566.04
42 gal Waste and Water Tank 36" X 25" 12" B237HD 566.04
42 gal Waste and Water Tank 40" X 26 3/4" X 10" B380HD 432.08
42 gal Waste and Water Tank 46" X 18" X 13" B182HD 566.04
     
43 gal Waste and Water Tank 30" X 20' X 18" B220HD 539.00
43 gal Waste and Water Tank 36" X 22" X 14" 22WHD 593.00
43 gal Waste and Water Tank 54" X 16" X 13" B368HD 619.95
     
44 gal Waste and Water Tank 48" X 20" X 12" 9WHD 646.96
     
45 gal Waste and Water Tank 36" X 33" X 10" B386HD 473.78
45 gal Waste and Water Tank 38" X 22" X 14" B376HD 646.89
45 gal Waste and Water Tank 40" X 19" X 15 5/8" B318HD 619.95
45 gal Waste and Water Tank 47 1/2" X 17 3/8" X 14 1/4" B370HD 646.89
45 gal Waste and Water Tank 64 1/2" X 14" X 12 7/8" B317HD 673.88
45 gal Waste and Water Tank 78" X 18" X 8.5" B310HD 619.95
     
47 gal Waste and Water Tank 33 1/4" X 24 1/2" X 15" B507HD 452.94
47 gal Waste and Water Tank 40 1/2" X 25 1/4" X 12" 33WHD 593.00
     
48 gal Waste and Water Tank 39" X 27 1/2" X 11 3/4" B491HD 514.32
48 gal Waste and Water Tank 45 1/2" X 24 1/4" X 11" B306HD 673.88
48 gal Waste and Water Tank 68 1/2" X 27" X 7" B229HD 673.88
     
50 gal Waste and Water Tank 33" X 27" X 14" B210HD 646.89
50 gal Waste and Water Tank 40 "X 20" X 16" B156HD 673.88
50 gal Waste and Water Tank 50" X 16" X 16" B416HD 673.88
50 gal Waste and Water Tank 59 3/4" X 18 1/2" X 11 3/4" B465HD 514.32
50 gal Waste and Water Tank 60 1/2" X 20 1/8" X 11" 8WHD 646.96
50 gal Waste and Water Tank 64" X 22" X 9 1/8" B308HD 673.84
     
52 gal Waste and Water Tank 28" X 23" X 21" B295HD 673.88
52 gal Waste and Water Tank 30 1/2" X 24 3/8" X 17 3/8" B315HD 673.88
52 gal Waste and Water Tank 40" X 24" X 14" 48WHD 646.96
     
53 gal Waste and Water Tank 57" X 26 1/2" X 9 1/4" B133HD 673.88
53 gal Waste and Water Tank 72" X 15" X 13" B312HD 673.88
     
58 gal Waste and Water Tank 34" X 34" X 13" 44WHD 673.88
58 gal Waste and Water Tank 42" X 23" X 15 1/2" 63WHD 673.88
58 gal Waste and Water Tank 44" X 22" X15.5" 60WHD 673.88
58 gal Waste and Water Tank 46 3/4" X 20 3/4" X 15 1/2" 42WHD 673.88
     
60 gal Waste and Water Tank 32" X 23 3/4" X 20 1/2" B242HD 727.74
60 gal Waste and Water Tank 36 1/4" X 30 1/4" X 14 1/4" 54WHD 673.88
60 gal Waste and Water Tank 40" X 25" X 15 1/2" 59WHD 673.88
     
65 gal Waste and Water Tank 28" X 25" X 24" B297HD 782.00
65 gal Waste and Water Tank 37" X 30" X 15" B324HD 781.66
65 gal Waste and Water Tank 39 1/8" X 30 7/8" X 13 1/2" B283HD 754.71
65 gal Waste and Water Tank 48" X 20" X 17" B248HD 754.71
     
69 gal Waste and Water Tank 26" X 26" X 26" B434HD 617.42
69 gal Waste and Water Tank 8" X 26" X 18" B444HD 808.63
     
70 gal   Waste and Water Tank 34" X 23" X 23" B296HD 808.63
70 gal Waste and Water Tank 34" X 30" X 18" B401HD 638.28
     
75 gal Waste and Water Tank 54" X 22" X 16" 61WHD 808.63
     
80 gal Waste and Water Tank 39 1/2" X 31 1/2" X 16 3/4" B363HD 862.50
80 gal Waste and Water Tank 45 5/8" X 22" X 20 1/2" B260HD 889.48
80 gal Waste and Water Tank 48" X 24" X 18" B327HD 889.48
80 gal Waste and Water Tank 62 1/2" 25 1/2" X 11" B458HD 1132.06
80 gal Waste and Water Tank 68 1/2" X 27" X 11" B230HD 889.48
80 gal Waste and Water Tank 76" X 28" X 10" B299HD 889.48
     
86 gal Waste and Water Tank 39 1/4" X 39 1/4" X 14 1/2" 64WHD 862.50
     
90 gal Waste and Water Tank 34" X 32" X 21" B314HD 916.41
90 gal Waste and Water Tank 76" X 27" X 11 1/2" B204HD 943.39
92 gal Waste and Water Tank 53" X 31" X 14 1/4" B483HD 916.41
     
92 gal Waste and Water Tank 72" X 33" X 10" B387HD 699.67
     
93 gal Waste and Water Tank 67" X 22" X 16" 66WHD 889.45
     
95 gal Waste and Water Tank 47" X 33" X 16" B354HD 720.42
95 gal Waste and Water Tank 71 1/2" X 26" X 13" B259HD 943.39
     
97 gal Waste and Water Tank 63" 40" 10" B487HD 720.42
     
98 gal Waste and Water Tank 35" X 27" X 26" B477HD 0.00
     
100 gal Waste and Water Tank 44" X 24" X 24" B455HD 943.39
     
105 gal Waste and Water Tank 39" X 26" X 26" B427HD 985.15
     
110 gal Waste and Water Tank 48" X 24 1/2" X 24" B433HD 761.06
110 gal Waste and Water Tank 76" X 24" X 15 1/2" B298HD 970.35
110 gal Waste and Water Tank 95" X 33" X 9" B391HD 741.37
     
115 gal Waste and Water Tank 39 1/2" X 28" X 26" B328HD 1024.24
115 gal Waste and Water Tank 54" X 27" X 20" B466HD 1024.68
     
125 gal Waste and Water Tank 43 1/8" X 29 7/8" X 24" B247HD 1185.98
     
130 gal Waste and Water Tank 60" X 30" X 18" B356HD 1185.98
     
135 gal Waste and Water Tank 75 1.2" X 33 1/4" X 14" B407HD 930.99
135 gal Waste and Water Tank 76" X 28" X 16" B300HD 1212.91
     
141 gal Waste and Water Tank 53" X 35' X 19" B484HD 1239.90
     
150 gal Waste and Water Tank 40 1/4" X 32 1/2" X 28 1/2" B494HD 967.27
150 gal Waste and Water Tank 67" X 24" X 24" B392HD 967.27
     
165 gal Waste and Water Tank 43 5/8" X 31 5/8" X 30 1/8" B246HD 1293.81
     
190 gal Waste and Water Tank 56" X 30" X 28" B506HD 1070.36
     
200 gal Waste and Water Tank B485HD 1110.89
     
210 gal Waste and Water Tank 60" X 36" X 24" B302HD 1455.52
     
260 gal Waste and Water Tank 61 1/4" X 59" X 18" B284HD 1859.85