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

3 Gallon RV Holding Tank | RVH13W

3 Gallons 17'' 7'' 7'' N/A RVH13W
$90.95

3 Gallon RV Holding Tank | RVHB267

3 Gallons 16.375'' 9'' 5.25'' N/A RVHB267
$130.95

4 Gallon RV Holding Tank | RVHB525

4 Gallons 26'' 11'' 7'' N/A RVHB525
$144.95

4 Gallon RV Holding Tank | RVHB269

4 Gallons 17.625'' 8.25'' 7.875'' N/A RVHB269
$130.95

5 Gallon RV Holding Tank | RVHB410

5 Gallons 18'' 13.5'' 7'' N/A RVHB410
$139.95

5 Gallon RV Holding Tank | RVHB390

5 Gallons 20'' 12'' 5.5'' N/A RVHB390
$139.95

5 Gallon RV Holding Tank | RVHB377

5 Gallons 18.5'' 9.5'' 6.75'' N/A RVHB377
$139.95

5 Gallon RV Holding Tank | RVHB322

5 Gallons 21'' 8.25'' 8'' N/A RVHB322
$139.95

5 Gallon RV Holding Tank | RVHB268

5 Gallons 12.25'' 12.25'' 8.25'' N/A RVHB268
$130.95

6 Gallon RV Holding Tank | RVHB533

6 Gallons 27'' 13.25'' 4.25'' N/A RVHB533
$198.95

6 Gallon RV Holding Tank | RVHB404

6 Gallons 13.75'' 13.75'' 10'' N/A RVHB404
$164.95

6 Gallon RV Holding Tank | RVHB357

6 Gallons 20'' 11.5'' 7'' N/A RVHB357
$164.95

6 Gallon RV Holding Tank | RVHB285

6 Gallons 21.625'' 14.375'' 5.375'' N/A RVHB285
$164.95

6 Gallon RV Holding Tank | RVHB277

6 Gallons 16'' 12'' 8'' N/A RVHB277
$164.95

7 Gallon RV Holding Tank | R-9H

7 Gallons 30'' 9'' 11.25'' N/A R-9H
$144.95

7 Gallon RV Holding Tank | R-19H

7 Gallons 19'' 11'' 13'' N/A R-19H
$133.95

7 Gallon RV Holding Tank | RVHB535

7 Gallons 13'' 12'' 12'' N/A RVHB535
$130.95

7 Gallon RV Holding Tank | RVHB395

7 Gallons 27'' 14.375'' 5'' N/A RVHB395
$164.95

7 Gallon RV Holding Tank | RVHB344

7 Gallons 21.5'' 10'' 8.75'' N/A RVHB344
$164.95

7 Gallon RV Holding Tank | RVHB326

7 Gallons 12'' 12'' 12'' N/A RVHB326
$130.95

7 Gallon RV Holding Tank | RVHB287

7 Gallons 27'' 10.25'' 6.5'' N/A RVHB287
$164.95

7 Gallon RV Holding Tank | RVHB275

7 Gallons 15.625'' 15.125'' 7.75'' N/A RVHB275
$164.95

7 Gallon RV Holding Tank | RVHB272

7 Gallons 24.25'' 12.5'' 5.75'' N/A RVHB272
$164.95

7 Gallon RV Holding Tank | RVHB271

7 Gallons 19.25'' 13.125'' 7.125'' N/A RVHB271
$164.95

8 Gallon RV Holding Tank | RVH41W

8 Gallons 17'' 12.75'' 10'' N/A RVH41W
$146.95

8 Gallon RV Holding Tank | RVH21W

8 Gallons 17.75'' 15.75'' 8.25'' N/A RVH21W
$190.95

8 Gallon RV Holding Tank | RVHB360

8 Gallons 23.5'' 10'' 8.5'' N/A RVHB360
$186.95

8 Gallon RV Holding Tank | RVHB280

8 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB280
$198.95

8 Gallon RV Holding Tank | RVHB270

8 Gallons 24'' 12.25'' 6.875'' N/A RVHB270
$186.95

8 Gallon RV Holding Tank | RVHB186

8 Gallons 18'' 11.5'' 10'' N/A RVHB186
$186.95

8 Gallon RV Holding Tank | RVHB121

8 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB121
$186.95

9 Gallon RV Holding Tank | 36H

9 Gallons 30'' 12.5'' 7.25'' N/A 36H
$155.95

9 Gallon RV Holding Tank | 35H

9 Gallons 29.75'' 22.5'' 8'' N/A 35H
$257.95

9 Gallon RV Holding Tank | RVH56W

9 Gallons 20.5'' 12.75'' 8'' N/A RVH56W
$168.95

9 Gallon RV Holding Tank | RVH31W

9 Gallons 34.25'' 6'' 12'' N/A RVH31W
$224.95

9 Gallon RV Holding Tank | RVHB532

9 Gallons 18.5'' 17'' 7.5'' N/A RVHB532
$186.95

9 Gallon RV Holding Tank | RVHB442

9 Gallons 19'' 15'' 9'' N/A RVHB442
$186.95

9 Gallon RV Holding Tank | RVHB361

9 Gallons 25.5'' 10.5'' 8.5'' N/A RVHB361
$186.95

9 Gallon RV Holding Tank | RVHB341

9 Gallons 31'' 10.5'' 7'' N/A RVHB341
$186.95

9 Gallon RV Holding Tank | RVHB336

9 Gallons 25'' 14.625'' 6'' N/A RVHB336
$186.95

9 Gallon RV Holding Tank | RVHB321

9 Gallons 18'' 12.5'' 11'' N/A RVHB321
$186.95

9 Gallon RV Holding Tank | RVHB304

9 Gallons 27'' 15'' 6'' N/A RVHB304
$186.95

9 Gallon RV Holding Tank | RVHB288

9 Gallons 32'' 15'' 5'' N/A RVHB288
$186.95

9 Gallon RV Holding Tank | RVHB132

9 Gallons 16'' 14'' 10'' N/A RVHB132
$198.95

10 Gallon RV Holding Tank | R-100H

10 Gallons 28'' 15'' 11'' N/A R-100H
$235.95

10 Gallon RV Holding Tank | R-34H

10 Gallons 36'' 13'' 6'' N/A R-34H
$167.95

10 Gallon RV Holding Tank | RVHB560

10 Gallons 18'' 12'' 12'' N/A RVHB560
$198.95

10 Gallon RV Holding Tank | RVHB438

10 Gallons 26'' 11'' 11'' N/A RVHB438
$186.95

10 Gallon RV Holding Tank | RVHB389

10 Gallons 25.25'' 12.75'' 8'' N/A RVHB389
$198.95

10 Gallon RV Holding Tank | RVHB365

10 Gallons 17.75'' 12.5'' 11'' N/A RVHB365
$198.95

10 Gallon RV Holding Tank | RVHB323

10 Gallons 32'' 19.5'' 4.75'' N/A RVHB323
$198.95

10 Gallon RV Holding Tank | RVHB263

10 Gallons 15.375'' 13.25'' 13.25'' N/A RVHB263
$186.95

10 Gallon RV Holding Tank | RVHB217

10 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB217
$198.95

11 Gallon RV Holding Tank | R-76H

11 Gallons 41'' 13'' 7'' N/A R-76H
$235.95

11 Gallon RV Holding Tank | R-49H

11 Gallons 13'' 24'' 12'' N/A R-49H
$189.95

11 Gallon RV Holding Tank | RVH23W

11 Gallons 30.25'' 10'' 9'' N/A RVH23W
$202.95

11 Gallon RV Holding Tank | RVHB375

11 Gallons 17'' 16'' 11'' N/A RVHB375
$220.95

11 Gallon RV Holding Tank | RVHB319

11 Gallons 35'' 19.5'' 4.75'' N/A RVHB319
$198.95

11 Gallon RV Holding Tank | RVHB286

11 Gallons 15.375'' 13.5'' 13.5'' N/A RVHB286
$186.95

12 Gallon RV Holding Tank | R-44H

12 Gallons 80.75'' 14'' 6.75'' N/A R-44H
$268.95
Call/Text: 928-421-3526
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