RV Holding Tanks

RV Holding Tanks are designed for potable black and grey water holding for motorhomes, trailers, campers, food trucks, tiny houses and more. All of our RV Holding Tanks are rotationally molded in the USA and are resistant to dents, chips, and cracks. 


Our RV black water and grey water holding tanks have the option of pre-installed fittings, can be ordered as a blank tank for DIY fittings, or RV Tank Supply can work with you for customized fittings. Where you can specify your exact filling location and type.

Name Capacity Length Width Height Diameter Part # Price

10 Gallon RV Holding Tank | R-59H

10 Gallons 28'' 14.5'' 11'' N/A R-59H
$288.95

13 Gallon RV Holding Tank | R-46H

13 Gallons 30'' 52'' 5'' N/A R-46H
$380.95

13 Gallon RV Holding Tank | RVH35W

13 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH35W
$292.95

15 Gallon RV Holding Tank | R-70H

15 Gallons 30'' 30'' 5'' N/A R-70H
$302.95

15 Gallon RV Holding Tank | R-42H

15 Gallons 91.5'' 7'' 16'' N/A R-42H
$391.95

16 Gallon RV Holding Tank | R-29H

16 Gallons 36'' 22'' 9.25'' N/A R-29H
$291.95

17 Gallon RV Holding Tank | R-94H

17 Gallons 54'' 15'' 9'' N/A R-94H
$287.95

17 Gallon RV Holding Tank | R-2H

17 Gallons 39'' 20.75'' 12.5'' N/A R-2H
$291.95

18 Gallon RV Holding Tank | R-69H

18 Gallons 30'' 24'' 9'' N/A R-69H
$291.95

18 Gallon Bow Shaped Water Tank | W-446

18 Gallons 41'' 25.5'' 16'' N/A W-446
$310.95

18 Gallon RV Holding Tank | RVHB527

18 Gallons 34.375'' 14.625'' 9.5'' N/A RVHB527
$310.95

18 Gallon RV Holding Tank | RVHB352

18 Gallons 26.5'' 19.25'' 12'' N/A RVHB352
$303.95

18 Gallon RV Holding Tank | RVHB104

18 Gallons 33'' 13'' 12.75'' N/A RVHB104
$287.95

19 Gallon RV Holding Tank | RVHB480

19 Gallons 29'' 23'' 8'' N/A RVHB480
$303.95

20 Gallon RV Holding Tank | R-77H

20 Gallons 50'' 14'' 11'' N/A R-77H
$324.95

20 Gallon RV Holding Tank | R-43H

20 Gallons 81'' 11'' 7.75'' N/A R-43H
$291.95

20 Gallon RV Holding Tank | RVHB556

20 Gallons 26'' 25'' 8'' N/A RVHB556
$303.95

20 Gallon RV Holding Tank | RVHB164

20 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB164
$303.95

20 Gallon RV Holding Tank | RVHB146

20 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB146
$292.95

21 Gallon RV Holding Tank | R-78H

21 Gallons 80'' 20'' 5'' N/A R-78H
$358.95

21 Gallon RV Holding Tank | RVHB355

21 Gallons 53.5'' 16.75'' 6'' N/A RVHB355
$303.95

21 Gallon RV Holding Tank | RVHB281

21 Gallons 19.875'' 16.875'' 16.375'' N/A RVHB281
$292.95

22 Gallon RV Holding Tank | R-99H

22 Gallons 56'' 34'' 9'' N/A R-99H
$395.95

22 Gallon RV Holding Tank | R-8H

22 Gallons 36'' 24'' 9.5'' N/A R-8H
$305.95

22 Gallon RV Holding Tank | R-53H

22 Gallons 30'' 22'' 13.5'' N/A R-53H
$349.95

22 Gallon RV Holding Tank | R-10H

22 Gallons 34'' 22'' 12'' N/A R-10H
$369.95

22 Gallon RV Holding Tank | R-30H

22 Gallons 36'' 22.25'' 8'' N/A R-30H
$302.95

22 Gallon RV Holding Tank | R-28H

22 Gallons 53'' 11.25'' 12.125'' N/A R-28H
$291.95

22 Gallon RV Holding Tank | R-33H

22 Gallons 83'' 13.5'' 10'' N/A R-33H
$291.95

24 Gallon RV Holding Tank | R-67H

24 Gallons 36'' 25'' 11'' N/A R-67H
$358.95

24 Gallon RV Holding Tank | RVHB562

24 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB562
$427.95

24 Gallon RV Holding Tank | RVHB542

24 Gallons 21.25'' 21.25'' 13.5'' N/A RVHB542
$325.95

25 Gallon RV Holding Tank | R-95H

25 Gallons 32'' 27'' 9'' N/A R-95H
$341.95

25 Gallon RV Holding Tan | R-45H

25 Gallons 74'' 15'' 9'' N/A R-45H
$302.95

25 Gallon RV Holding Tank | R-31H

25 Gallons 37'' 27'' 10'' N/A R-31H
$324.95

25 Gallon RV Holding Tank | R-25H

25 Gallons 42'' 19'' 13'' N/A R-25H
$291.95

25 Gallon RV Holding Tank | R-11H

25 Gallons 37'' 21'' 12'' N/A R-11H
$324.95

25 Gallon RV Holding Tank | RVHB546

25 Gallons 62'' 14'' 7.5'' N/A RVHB546
$348.95

25 Gallon RV Holding Tank | RVHB425

25 Gallons 36'' 32'' 6'' N/A RVHB425
$291.95

25 Gallon RV Holding Tank | RVHB408

25 Gallons 32'' 22'' 10'' N/A RVHB408
$292.95

25 Gallon RV Holding Tank | RVHB250

25 Gallons 23.5'' 23'' 12'' N/A RVHB250
$292.95

25 Gallon RV Holding Tank | RVHB225

25 Gallons 22.5'' 22.5'' 12'' N/A RVHB225
$292.95

26 Gallon RV Holding Tank | R-14H

26 Gallons 41'' 25'' 9'' N/A R-14H
$324.95

26 Gallon RV Holding Tank | RVHB515

26 Gallons 74'' 10'' 9'' N/A RVHB515
$359.95

26 Gallon RV Holding Tank | RVHB406

26 Gallons 60'' 21'' 6'' N/A RVHB406
$303.95

27 Gallon RV Holding Tank | R-72H-1

27 Gallons 38'' 18'' 12'' N/A R-72H
$291.95

27 Gallon RV Holding Tank | R-64H

27 Gallons 30'' 22'' 13'' N/A R-64H
$291.95

27 Gallon RV Holding Tank | R-47H

27 Gallons 43'' 22'' 12'' N/A R-47H
$324.95

28 Gallon RV Holding Tank | R-23H

28 Gallons 53'' 25'' 9'' N/A R-23H
$324.95

28 Gallon RV Holding Tank | RVHB437

28 Gallons 36'' 18'' 12'' N/A RVHB437
$303.95

28 Gallon RV Holding Tank | RVHB273

28 Gallons 20.75'' 19.25'' 17.625'' N/A RVHB273
$325.95

28 Gallon RV Holding Tank | RVHB239

28 Gallons 48'' 14'' 10'' N/A RVHB239
$325.95

28 Gallon RV Holding Tank | RVHB161

28 Gallons 35.5'' 15'' 13'' N/A RVHB161
$303.95

29 Gallon RV Holding Tank | R-27H

29 Gallons 29'' 25'' 13'' N/A R-27H
$291.95

30 Gallon RV Holding Tan | R-39H

30 Gallons 46'' 22'' 9'' N/A R-39H
$347.95

30 Gallon RV Holding Tank | R-22H

30 Gallons 39'' 25'' 12'' N/A R-22H
$347.95

30 Gallon RV Holding Tank | RVH24W

30 Gallons 43'' 16'' 10.5'' N/A RVH24W
$292.95

30 Gallon RV Holding Tank | RVHB424

30 Gallons 40'' 20'' 10'' N/A RVHB424
$303.95

30 Gallon RV Holding Tank | RVHB350

30 Gallons 33'' 20.5'' 11'' N/A RVHB350
$303.95

30 Gallon RV Holding Tank | RVHB162

30 Gallons 30'' 24'' 10'' N/A RVHB162
$303.95