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

12 Gallon RV Holding Tank | R-44H

12 Gallons 80.75'' 14'' 6.75'' N/A R-44H
$268.95

12 Gallon RV Holding Tank | R-41H

12 Gallons 28'' 24'' 9.5'' N/A R-41H
$223.95

12 Gallon RV Holding Tank | RVH16W

12 Gallons 18'' 13'' 13'' N/A RVH16W
$168.95

12 Gallon RV Holding Tank | RVH14W

12 Gallons 24'' 15.5'' 8.25'' N/A RVH14W
$168.95

12 Gallon RV Holding Tank | RVHB548

12 Gallons 24'' 13.5'' 10'' N/A RVHB548
$213.95

12 Gallon RV Holding Tank | RVHB441

12 Gallons 15.5'' 15.25'' 14.75'' N/A RVHB441
$213.95

12 Gallon RV Holding Tank | RVHB279

12 Gallons 23'' 11.5'' 11.5'' N/A RVHB279
$213.95

12 Gallon RV Holding Tank | RVHB255

12 Gallons 17'' 17'' 11'' N/A RVHB255
$213.95

12 Gallon RV Holding Tank | RVHB124

12 Gallons 20'' 12'' 12'' N/A RVHB124
$213.95

12 Gallon RV Holding Tank | RVHB105

12 Gallons 17.5'' 14'' 12'' N/A RVHB105
$213.95

13 Gallon RV Holding Tank | R-46H

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

13 Gallon RV Holding Tank | R-26H

13 Gallons 29'' 16.75'' 11'' N/A R-26H
$201.95

13 Gallon RV Holding Tank | RVH35W

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

13 Gallon RV Holding Tank | RVHB266

13 Gallons 18.25'' 14.375'' 13.125'' N/A RVHB266
$213.95

13 Gallon RV Holding Tank | RVHB262

13 Gallons 15.875'' 15.125'' 14.5'' N/A RVHB262
$213.95

14 Gallon RV Holding Tank | R-40H

14 Gallons 32.5'' 16'' 7.75'' N/A R-40H
$189.95

14 Gallon RV Holding Tank | RVH37W

14 Gallons 29.75'' 16'' 7.5'' N/A RVH37W
$224.95

14 Gallon RV Holding Tank | RVH3W

14 Gallons 29.75'' 13.875'' 8.125'' N/A RVH3W
$168.95

14 Gallon RV Holding Tank | RVHB534

14 Gallons 16.875'' 15.75'' 14'' N/A RVHB534
$269.95

14 Gallon RV Holding Tank | RVHB274

14 Gallons 15.625'' 15.625'' 15.125'' N/A RVHB274
$213.95

14 Gallon RV Holding Tank | RVHB265

14 Gallons 17.5'' 14.5'' 14.25'' N/A RVHB265
$213.95

14 Gallon RV Holding Tank | RVHB245

14 Gallons 24.5'' 16.5'' 9.125'' N/A RVHB245
$213.95

15 Gallon RV Holding Tank | R-104H

15 Gallons 40'' 14'' 8'' N/A R-104H
$268.95

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

15 Gallon RV Holding Tank | R-18H

15 Gallons 33'' 17.25'' 8'' N/A R-18H
$223.95

15 Gallon RV Holding Tank | RVH11W

15 Gallons 21'' 13'' 13'' N/A RVH11W
$156.95

15 Gallon RV Holding Tank | RVHB492

15 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB492
$213.95

15 Gallon RV Holding Tank | RVHB388

15 Gallons 24'' 18.5'' 8.5'' N/A RVHB388
$213.95

15 Gallon RV Holding Tank | RVHB320

15 Gallons 17.5'' 16.75'' 13.75'' N/A RVHB320
$213.95

15 Gallon RV Holding Tank | RVHB264

15 Gallons 22'' 17'' 9.875'' N/A RVHB264
$213.95

15 Gallon RV Holding Tank | RVHB251

15 Gallons 27.5'' 14.75'' 9.5'' N/A RVHB251
$213.95

15 Gallon RV Holding Tank | RVHB175

15 Gallons 20'' 13'' 13'' N/A RVHB175
$213.95

15 Gallon RV Holding Tank | RVHB131

15 Gallons 20'' 15'' 12'' N/A RVHB131
$213.95

16 Gallon RV Holding Tank | R-57H

16 Gallons 63'' 10'' 8'' N/A R-57H
$257.95

16 Gallon RV Holding Tank | R-58H

16 Gallons 63'' 10'' 8'' N/A R-58H
$257.95

16 Gallon RV Holding Tank | R-29H

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

16 Gallon RV Holding Tank | R-7H

16 Gallons 35.25'' 17'' 10'' N/A R-7H
$235.95

16 Gallon RV Holding Tank | RVHB526

16 Gallons 26'' 14'' 11'' N/A RVHB526
$258.95

16 Gallon RV Holding Tank | RVHB500

16 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB500
$237.95

16 Gallon RV Holding Tank | RVHB106

16 Gallons 16'' 16'' 16'' N/A RVHB106
$213.95

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

17 Gallon RV Holding Tank | RVH36W

17 Gallons 23'' 21'' 9'' N/A RVH36W
$246.95

17 Gallon RV Holding Tank | RVH29W

17 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH29W
$202.95

17 Gallon RV Holding Tank | RVHB359

17 Gallons 19.75'' 15.75'' 14'' N/A RVHB359
$242.95

17 Gallon RV Holding Tank | RVHB123

17 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB123
$254.95

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 | R-12H

18 Gallons 22'' 23'' 12.5'' N/A R-12H
$235.95

18 Gallon RV Holding Tank | RVHB527

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

18 Gallon RV Holding Tank | RVHB369

18 Gallons 47.5'' 11.375'' 8.5'' N/A RVHB369
$254.95

18 Gallon RV Holding Tank | RVHB366

18 Gallons 22'' 17'' 12'' N/A RVHB366
$254.95

18 Gallon RV Holding Tank | RVHB352

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

18 Gallon RV Holding Tank | RVHB235

18 Gallons 40'' 18'' 6'' N/A RVHB235
$254.95

18 Gallon RV Holding Tank | RVHB232

18 Gallons 48.5'' 10.75'' 8'' N/A RVHB232
$254.95

18 Gallon RV Holding Tank | RVHB211

18 Gallons 25'' 25'' 7.75'' N/A RVHB211
$254.95

18 Gallon RV Holding Tank | RVHB159

18 Gallons 20'' 17'' 13'' N/A RVHB159
$242.95

18 Gallon RV Holding Tank | RVHB104

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

19 Gallon RV Holding Tank | R-16H

19 Gallons 35'' 22.5'' 12.25'' N/A R-16H
$268.95