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RV Water Tanks
Plastic-Mart offers a wide range of RV water tanks for sale. Plastic-Mart's RV holding tanks, such as our RV fresh water tanks, RV gray water holding tanks, and RV black water holding tanks, are FDA approved.
We provide standard and custom fittings for our 3 gallon, 10 gallon, and even 100 gallon RV water tanks. Our RV water holding tanks are rotomolded from FDA approved plastic resin, safe for fresh drinking water storage, yet strong enough to be used as septic, greywater, or blackwater tanks if needed.
Plastic-Mart also carries RV water pumps that make it easy to sanitize RV water tanks. We provide equipment like inlets for different types of RVs and campers, whether it be travel trailers, fifth-wheel trailers, pop-up campers, or toy haulers.
Contact us now to learn more about fittings, sizes and water tank replacements.


| Capacity | Name | Diameter | Length | Width | Height | SKU | Price | |
|---|---|---|---|---|---|---|---|---|
|
100 Gallons
|
Trionic 100 Gallon Plastic Marine and RV Water or Waste Holding Tank | 49 | 34 | 15.25 | TRI-2100-2 | As low as$698.75 | |
|
100 Gallons
|
Ronco Plastics 100 Gallon Plastic RV Water Tank | 22 | 22 | 16 | R-RV67W | $613.00 | |
|
100 Gallons
|
Trionic 100 Gallon Plastic Marine and RV Water or Waste Holding Tank | 46 | 26 | 20 | TRI-2100 | As low as$698.75 | |
|
100 Gallons
|
Trionic 100 Gallon Plastic Marine and RV Water or Waste Holding Tank | 42 | 24 | 24 | TRI-2100-4 | As low as$698.75 | |
|
105 Gallons
|
Ronco Plastics 105 Gallon Light Duty Plastic RV Water Tank | 39 | 26 | 26 | R-RVB427 | $500.00 | |
|
110 Gallons
|
Ronco Plastics 110 Gallon Light Duty Plastic Marine and RV Water or Waste Holding Tank | 48 | 24.5 | 24 | R-RVB433 | $1,167.00 | |
|
110 Gallons
|
Ronco Plastics 110 Gallon Light Duty Plastic RV Water Tank | 95 | 33 | 9 | R-RVB391 | $630.41 | |
|
115 Gallons
|
Ronco Plastics 115 Gallon Light Duty Plastic RV Water Tank | 54 | 27 | 20 | R-RVB466 | $453.01 | |
|
115 Gallons
|
Ronco Plastics 115 Gallon Light Duty Plastic RV Water Tank | 39.5 | 28 | 26 | R-RVB328 | $390.70 | |
|
120 Gallons
|
Trionic 120 Gallon Plastic Marine and RV Water or Waste Holding Tank | 61 | 28 | 16 | TRI-2120-1 | As low as$797.50 | |
|
125 Gallons
|
Ronco Plastics 125 Gallon Light Duty Plastic RV Water Tank | 43.125 | 29.875 | 24 | R-RVB247 | $979.99 | |
|
130 Gallons
|
Ronco Plastics 130 Gallon Light Duty Plastic RV Water Tank | 60 | 30 | 18 | R-RVB356 | $979.99 | |
|
130 Gallons
|
Trionic 130 Gallon Plastic Marine and RV Water or Waste Holding Tank | 48 | 36 | 18 | TRI-2130 | As low as$915.00 | |
|
135 Gallons
|
Ronco Plastics 135 Gallon Light Duty Plastic RV Water Tank | 76 | 28 | 16 | R-RVB300 | $999.99 | |
|
135 Gallons
|
Ronco Plastics 135 Gallon Light Duty Plastic RV Water Tank | 75.5 | 33.5 | 14 | R-RVB407 | $656.85 | |
|
141 Gallons
|
Ronco Plastics 141 Gallon Light Duty Plastic RV Water Tank | 53 | 35 | 19 | R-RVB484 | $1,029.99 | |
|
150 Gallons
|
Ronco Plastics 150 Gallon Light Duty Plastic RV Water Tank | 40.25 | 32.5 | 28.5 | R-RVB494 | $747.06 | |
|
150 Gallons
|
Trionic 150 Gallon Plastic Marine and RV Water or Waste Holding Tank | 64 | 31.125 | 18.75 | TRI-2150 | As low as$943.33 | |
|
155 Gallons
|
Ronco Plastics 155 Gallon Light Duty Plastic RV Water Tank | 67 | 24 | 24 | R-RVB392 | $724.78 | |
|
200 Gallons
|
Ronco Plastics 200 Gallon Light Duty Plastic RV Water Tank | 42 | 34.25 | 34.25 | R-RVB485 | $698.37 |
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Water
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