Finding the right RV waste water holding tanks helps simplify disposal, prevent leaks, and store waste safely on the road. This guide highlights five top options designed for durability, easy transport, and compatibility with common RV setups. Each product is evaluated by capacity, construction, and porting options to help you choose the best fit for your travel needs and camping style.
| Product | Brand | Capacity | Notes |
|---|---|---|---|
| Camco Rhino 21-Gallon RV Portable Waste Tank | Camco | 21 Gallon | Large wheels, low drain hole |
| Camco Rhino 36-Gallon Camper Tote Tank | Camco | 36 Gallon | Built-in gate valve, tow adapter |
| Camco Rhino 15-Gallon Portable RV Tote Tank | Camco | 15 Gallon | Low drain hole, tow-ready |
| Class A Customs 14 Gallon WT-1400 | classAcustoms | 14 Gallon | USA-made MDPE, outlet options |
| Class A Customs WT-1653 16 Gallon Tank | classAcustoms | 16 Gallon | MDPE, vented installation |
Each option below offers reliable HDPE construction, compatibility with common RV plumbing, and solutions to extend your dump station reach. Read through the sections to compare capacity, transport features, and installation notes before making a choice.
Camco Rhino 21-Gallon Portable Waste Tank
Designed to simplify RV waste disposal, this 21-gallon tank is built to withstand outdoor use with UV-stabilized HDPE. It provides a practical solution when a dump station is out of reach or when your sewer hose can’t reach the site. The unit features large no-flat wheels for versatile transport and an oversized handle that reduces effort during moving, especially on uneven terrain. A steel tow adapter also enables towing behind a truck or golf cart, broadening your range for waste disposal. Overall dimensions are 20 1/8″ L × 12 1/2″ W × 40″ H, and it weighs about 34.5 lb, ensuring a sturdy yet manageable profile for frequent use.
Key points to consider include the wheel capability for rough campsites, the utility of the tow adapter for quick repositioning, and the rough weight during full disposal. The durable construction helps resist sun damage and leaks, promoting long service life in varied weather conditions.
Camco Rhino 36-Gallon Camper Tote Tank
The 36-gallon Rhino tote tank is designed for larger waste volumes and longer trips between dump locations. It includes large no-flat wheels for ease of movement over varied ground surfaces and a steel tow adapter to simplify towing behind a vehicle. Constructed from UV-stabilized blow-molded HDPE, it offers durability against outdoor exposure and weather. Its dimensions and weight are balanced to provide substantial capacity without excessive bulk, making it a strong choice for families or groups with higher waste disposal needs.
When selecting this model, evaluate your typical camping setup, how far dump stations are from your site, and your ability to transport heavier loads. The built-in gate valve and hose compatibility help ensure a complete system for waste management, while the rugged wheels reduce effort on rugged campsites.
Camco Rhino 15-Gallon Portable RV Tote Tank
This compact 15-gallon tote is ideal for users who require a portable solution without the bulk of a larger tote. The tank includes a low drain hole for quick emptying and no-flat wheels that handle uneven surfaces. As with similar Camco products, it ships with a steel tow adapter to facilitate towing behind a vehicle, plus a 3-foot sewer hose and other accessories. Its lighter weight makes it convenient for solo travelers or smaller RVs, while still offering sturdy transport capabilities and reliable HDPE construction for outdoor use.
Consider your typical trip length, travel companions, and storage space when opting for this model. It provides a balanced option between capacity and portability, while still delivering essential disposability features for efficient campground waste management.
Class A Customs 14 Gallon WT-1400
The WT-1400 is a 14-gallon black water holding tank made in the USA by Class A Customs, constructed from MDPE resin. It is designed specifically for waste/gray water applications in RVs, campers, trailers, motorhomes, and tiny houses. The tank uses a 3″ ABS outlet pipe, with installation and venting considerations to be handled by the installer. Inlet and vent locations are flexible, but hardware is not included, and end users should plan accordingly. The unit emphasizes venting to prevent pressure buildup and notes that over-tightening fittings can cause damage.
This option suits users who prioritize U.S.-manufactured quality and a compact footprint while maintaining robust waste containment. It requires careful installation planning, but offers reliable performance for responsible waste management in RV settings.
Class A Customs 27 Gallon WT-2700
Offering a larger capacity than the WT-1400, the WT-2700 is a 27-gallon RV waste water holding tank. It uses MDPE resin for durability and is intended for waste/gray water applications. The design includes a 3″ ABS outlet and requires the end user to determine inlet and vent placement, with hardware not included. As with other Class A Customs tanks, air must be vented to prevent pressure issues, and users should avoid pressurizing the tank or over-tightening fittings. This tank is suitable for campers and motorhomes needing more storage between dump events.
Practical considerations include ensuring space for the larger unit, planning outlet routing, and confirming compatibility with your RV’s structure. If you frequently camp in remote areas with longer gaps between dumps, this model can offer a valuable capacity increase.
Class A Customs WT-3161 31 Gallon Hub Tank
The WT-3161 is a 31-gallon hub-style black water holding tank, designed for concession and camper use. Made in the USA from MDPE resin, it supports waste/gray water applications and includes an outlet that requires user-determined inlet and vent placements. Hardware is not included, and as with other Class A Customs tanks, the manual emphasizes venting to prevent air pressure buildup. The 3″ ABS outlet requires careful installation, and the unit is intended for users seeking substantial capacity and a hub-style configuration for specific RV layouts.
When evaluating this option, assess your vehicle’s plumbing arrangement and whether a hub design aligns with your RV frame. The higher capacity supports extended trips, but installation planning is more involved compared to smaller totes.
Buying Guide: Key Purchase Considerations For RV Waste Tanks
- Capacity versus storage space: Choose a tank size that matches your typical travel duration, number of travelers, and dump frequency. Larger tanks reduce dump frequency but require more storage room on board.
- Material and durability: Look for UV-stabilized HDPE or MDPE resin for outdoor resilience. Ensure compatibility with your RV’s wastewater system and climate exposure.
- Outlet configuration: 3″ ABS outlets are common, but some models use different fittings. Plan for proper piping, dump valve compatibility, and ease of valve access during maintenance.
- Ventilation: Tanks must be vented to prevent pressure buildup and ensure safe operation. Avoid models that require complex venting without instructions.
- Mobility and towing: Large wheels and tow adapters improve transport between the RV and dump site. Consider your typical terrain (gravel, grass, pavement) and whether you need towing compatibility.
- Installation requirements: Some tanks require user-installed inlet/vent placements and hardware not included. Prepare for potential additional parts or professional installation.
- Maintenance and cleaning: Look for accessible drain holes and straightforward cleaning access. A tank that is easy to rinse reduces lingering odors and helps sanitation.
- Warranty and origin: U.S.-made options may offer specific warranty coverage and manufacturing standards. Verify return policies and support availability if needed.
These considerations help balance capacity, portability, and ease of use. Evaluate your RV configuration, the distance to dump stations, and how you typically travel to choose a tank that offers reliable waste containment and straightforward maintenance.