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

30 Gallon RV Holding Tank | RVHB157

30 Gallons 30'' 20'' 12'' N/A RVHB157
$303.95

30 Gallon RV Holding Tank | RVHB140

30 Gallons 39'' 15'' 12.5'' N/A RVHB140
$303.95

30 Gallon RV Holding Tank | RVHB126

30 Gallons 38'' 26'' 13'' N/A RVHB126
$348.95

30 Gallon RV Holding Tank | RVHB118

30 Gallons 24'' 20'' 16'' N/A RVHB118
$303.95

30 Gallon RV Holding Tank | RVHB112

30 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB112
$325.95

32 Gallon RV Holding Tank | R-38H

32 Gallons 36'' 27'' 13'' N/A R-38H
$358.95

32 Gallon RV Holding Tank | RVH69W

32 Gallons 48'' 20'' 8'' N/A RVH69W
$314.95

32 Gallon RV Holding Tank | RVH52W

32 Gallons 60'' 16'' 8'' N/A RVH52W
$314.95

32 Gallon RV Holding Tank | RVH26W

32 Gallons 31'' 23'' 11.5'' N/A RVH26W
$337.95

32 Gallon RV Holding Tank | RVHB449

32 Gallons 44.5'' 15.5'' 12.5'' N/A RVHB449
$348.95

32 Gallon RV Holding Tank | RVHB316

32 Gallons 69'' 11'' 11'' N/A RVHB316
$348.95

32 Gallon RV Holding Tank | RVHB127

32 Gallons 30'' 16.5'' 16'' N/A RVHB127
$325.95

33 Gallon RV Holding Tank | R-79H

33 Gallons 36'' 27'' 13'' N/A R-79H
$358.95

33 Gallon RV Holding Tank | R-68H

33 Gallons 56'' 44'' 8'' N/A R-68H
$448.95

33 Gallon RV Holding Tank | R-15H

33 Gallons 36'' 27'' 13'' N/A R-15H
$358.95

34 Gallon RV Holding Tank | R-20H

34 Gallons 63'' 21'' 9'' N/A R-20H
$358.95

34 Gallon RV Holding Tank | RVHB381

34 Gallons 34'' 26'' 9.5'' N/A RVHB381
$325.95

35 Gallon RV Holding Tank | R-101H

35 Gallons 62'' 31'' 6'' N/A R-101H
$291.95

35 Gallon RV Holding Tank | R-4H

35 Gallons 54'' 25'' 8'' N/A R-4H
$358.95

35 Gallon RV Holding Tank | RVH45W

35 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH45W
$415.95

35 Gallon RV Holding Tank | RVH34W

35 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH34W
$370.95

35 Gallon RV Holding Tank | RVH2W

35 Gallons 37.5'' 19'' 12'' N/A RVH2W
$314.95

35 Gallon RV Holding Tank | RVH1W

35 Gallons 32.125'' 19.5'' 15'' N/A RVH1W
$314.95

35 Gallon RV Holding Tank | RVHB147

35 Gallons 48'' 17'' 10'' N/A RVHB147
$325.95

36 Gallon RV Holding Tank | R-48H

36 Gallons 35'' 25'' 13'' N/A R-48H
$302.95

36 Gallon RV Holding Tank | R-37H

36 Gallons 35'' 28'' 16'' N/A R-37H
$380.95

36 Gallon RV Holding Tank | RVH38W

36 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH38W
$359.95

36 Gallon RV Holding Tank | RVH7W

36 Gallons 30'' 22'' 14'' N/A RVH7W
$311.95

36 Gallon RV Holding Tank | RVH6W

36 Gallons 48.375'' 14.375'' 13.25'' N/A RVH6W
$314.95

36 Gallon RV Holding Tank | RVHB428

36 Gallons 46'' 36'' 6'' N/A RVHB428
$347.95

36 Gallon RV Holding Tank | RVHB383

36 Gallons 32'' 32'' 9.25'' N/A RVHB383
$381.95

36 Gallon RV Holding Tank | RVHB254

36 Gallons 28.375'' 17.875'' 17.75'' N/A RVHB254
$348.95

36 Gallon RV Holding Tank | RVHB158

36 Gallons 30.5'' 21.5'' 13.75'' N/A RVHB158
$348.95

37 Gallon RV Holding Tank | R-73H

37 Gallons 74'' 20'' 7'' N/A R-73H
$358.95

37 Gallon RV Holding Tank | R-66H

20 Gallons 65'' 20'' 9'' N/A R-66H
$448.95

38 Gallon RV Holding Tank | RVH53W

38 Gallons 70'' 16'' 8'' N/A RVH53W
$337.95

38 Gallon RV Holding Tank | RVHB346

38 Gallons 37'' 28'' 9'' N/A RVHB346
$381.95

39 Gallon RV Holding Tank | R-55H

39 Gallons 46'' 24'' 10'' N/A R-55H
$358.95

40 Gallon RV Holding Tank | R-71H

40 Gallons 56'' 20'' 11'' N/A R-71H
$358.95

40 Gallon RV Holding Tank | R-6H

27 Gallons 38'' 27'' 9'' N/A R-6H
$347.95

40 Gallon RV Holding Tank | R-5H

40 Gallons 57'' 19'' 13'' N/A R-5H
$380.95

40 Gallon RV Holding Tank | RVH17W

40 Gallons 40.5'' 24'' 10'' N/A RVH17W
$314.95

40 Gallon RV Holding Tank | RVH10W

40 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH10W
$337.95

40 Gallon RV Holding Tank | RVHB309

40 Gallons 39'' 18'' 14'' N/A RVHB309
$381.95

40 Gallon RV Holding Tank | RVHB305

40 Gallons 54'' 20'' 9'' N/A RVHB305
$381.95

40 Gallon RV Holding Tank | RVHB256

40 Gallons 29.875'' 20.875'' 16.625'' N/A RVHB256
$381.95

40 Gallon RV Holding Tank | RVHB252

40 Gallons 26.5'' 21.25'' 18'' N/A RVHB252
$381.95

40 Gallon RV Holding Tank | RVHB222

40 Gallons 42'' 26.75'' 9.5'' N/A RVHB222
$381.95

40 Gallon RV Holding Tank | RVHB221

40 Gallons 23.5'' 23'' 18'' N/A RVHB221
$381.95

42 Gallon RV Holding Tank | R-106H

42 Gallons 36'' 20'' 17'' N/A R-106H
$302.95

42 Gallon RV Holding Tank | R-74H

42 Gallons 39'' 17'' 16'' N/A R-74H
$324.95

42 Gallon RV Holding Tank | R-61H

48 Gallons 45'' 25'' 12'' N/A R-61H
$448.95

42 Gallon RV Holding Tank | R-21H

42 Gallons 40'' 25'' 13'' N/A R-21H
$392.95

42 Gallon RV Holding Tank | RVHB443

42 Gallons 24'' 24'' 19'' N/A RVHB443
$381.95

42 Gallon RV Holding Tank | RVHB380

42 Gallons 40'' 26.75'' 10'' N/A RVHB380
$381.95

42 Gallon RV Holding Tank | RVHB237

42 Gallons 36'' 25'' 12'' N/A RVHB237
$381.95

44 Gallon RV Holding Tank | R-96H

44 Gallons 40'' 20'' 15'' N/A R-96H
$305.95

45 Gallon RV Holding Tank | R-105H

45 Gallons 58'' 28'' 8'' N/A R-105H
$347.95

45 Gallon RV Holding Tank | R-75H

45 Gallons 43'' 22'' 13'' N/A R-75H
$347.95

45 Gallon RV Holding Tank | RVH47W

45 Gallons 36'' 23'' 13'' N/A RVH47W
$359.95