When choosing a portable septic system for RV use, the goal is simple: reliable waste transport, easy emptying, and durable construction that withstands outdoor conditions. This guide highlights five top options suitable for different needs—whether you’re boon-docking far from dump stations, towing with a vehicle, or upgrading to a higher-capacity tote. The right choice depends on tank size, mobility, and whether you need built-in wheels or a powerful macerator pump for long dumps. Below is a concise product snapshot followed by detailed sections to help you decide.
Summary of selected products:
- Camco Rhino 21-Gallon RV Portable Waste Tank (39002) — Best for compact spaces and easy transport
- Camco Rhino 36-Gallon Portable Camper/RV Tote Tank (39007) — Best for extended trips with larger waste capacity
- Camco Rhino 18V Cordless Macerator Pump (39030) — Best for cordless pumping and uphill dumping
- RecPro RV 36 Gallon Portable Waste Tank — Best for visibility and no-flat-tire design
- Kitvance 12V RV Portable Macerator Pump — Best budget-friendly, self-contained macerator kit
Camco Rhino 21-Gallon RV Portable Waste Tank
Best for: Owners with limited space who still need reliable waste transport from a distant dump to a station. This tank weighs about 34.5 lb and measures 20 1/8″ x 12 1/2″ x 40″. It features large, heavy-duty no-flat wheels, a long handle, and a steel tow adapter for towing behind a truck or golf cart. The HDPE construction is UV-stabilized for outdoor use and designed to resist leaks and sun damage. A practical choice when the sewer hose can’t reach the dump line.
Why selected: It balances capacity with maneuverability, making it ideal for RVers who move their unit frequently or park far from facilities. The included accessories simplify dumping on the go, and the tow-ready design reduces strain during transport. Caution: ensure the unit is secured when towing to avoid tipping on uneven terrain.
Camco Rhino 36-Gallon Portable Camper/RV Tote Tank
Best for: RVers on longer trips or with higher waste output who need a larger tote with easy steering. This model uses steerable front wheels, large back wheels for rough terrain, and a 24″ tow bar for simple towing. With dimensions around 16″ x 25 1/2″ x 47″ and a 55 lb weight, it’s designed to be rugged and stable. Built from UV-stabilized HDPE for long outdoor use.
Why selected: The steerable wheels improve control on uneven campsites, reducing the effort required to move the tank. The built-in gate valve and large ports speed up emptying. Caution: larger size means more storage space required in tight RV bays.
Camco Rhino 18V Cordless RV Macerator Pump
Best for: RVers needing cordless pumping capability to empty waste from remote locations or into portable tanks without wiring to the RV battery. The pump uses Vortexcore technology to grind waste into fine particles for easier pumping through a standard 3/4″ hose. It operates on an 18V lithium battery for mobility and can dump into portable tanks, septic systems, or sewer cleanouts.
Why selected: It provides versatile dumping options and eliminates the need for campground hookups. Caution: battery life may vary with continuous heavy use; plan for recharging if dumping large tanks repeatedly.
RecPro RV 36 Gallon Portable Waste Tank
Best for: Campers who want a high-capacity tote with a clear indicator and no-flat tires for reliable movement on varied terrain. The 36-gallon capacity reduces the frequency of emptying, and the bright blue color aids visibility at crowded campsites. Features include a capacity indicator and glove inclusion for hygienic handling.
Why selected: The larger tank minimizes dump stops during trips, and its construction is designed for durability in rugged outdoor conditions. Caution: larger footprint requires more storage space when not in use.
Kitvance 12V RV Portable Macerator Pump
Best for: Budget-conscious buyers who want a complete macerator pump kit that connects to standard RV outlets. This kit features a 12V DC motor, a flow rate around 12 GPM, and self-priming suction up to 3.2 feet with a 10-foot lift. It’s designed to shred solids with a dual-blade cutter to reduce clogs.
Why selected: It offers a practical, economical option for rapid, on-site dumping without professional installation. Caution: ensure compatibility with your RV outlet type and confirm hose connections before use.
12V RV Portable Macerator Waste Pump Kit
Best for: RVers seeking a compact, all-in-one solution with a quick-outlet system. It features self-priming suction of 3.2 feet and a 10 feet lift, designed to drain standard 3″ RV waste outlets efficiently. The copper motor offers longevity and consistent performance for regular use.
Why selected: It’s a straightforward, out-of-the-box pumping option that suits campers who want minimal setup. Caution: verify power availability and ensure the hose diameter matches the RV outlet to avoid leaks.
Buying Guide: Portable RV Septic Systems
What capacity do you need?
Consider how often you plan to dump and the number of overnight stays. Smaller tanks (around 20-21 gallons) are easier to maneuver but require more frequent emptying, while 36-gallon totes reduce trips but need more storage space.
Do you need mobility features?
Wheels, steering front wheels, or a tow bar simplify movement on uneven surfaces. If you’ll tow the tote behind a vehicle, a steel tow adapter and durable wheels are essential.
Is a macerator important?
A macerator grinds solids, enabling longer runs to dump stations or uphill dumps. Cordless 12V or 18V options offer flexibility away from campground hookups.
What materials matter?
UV-stabilized HDPE or polypropylene tanks resist sun exposure and harsh weather. Durable construction extends the life of the tote in outdoor environments.
How important are ports and accessibility?
Large ports and straightforward discharge connections speed up emptying. Look for clear access and compatibility with common sewer hoses and fittings.
Maintenance and odor control
Integrated odor control is helpful for longer trips. Consider treatments or deodorizers compatible with portable systems to minimize camp odors.
Which option fits your budget?
Macerator pumps add cost but improve dumping flexibility. If budget is tight, a larger tote with manual emptying may be the better choice, with a separate, affordable pump as needed.
Frequently Asked Questions
- What size portable RV waste tank should I choose? Choose based on trip length and space. 21–36 gallons are common, with larger models reducing dump frequency but requiring more storage.
- Do I need a macerator pump with a portable tank? Not always. A macerator helps when dumping long distances or uphill, but conventional gravity dumping works for nearby dump stations.
- Can I tow a portable waste tank behind my vehicle? Yes, many models feature tow adapters and wheels designed for towing, but secure all connections and follow local towing regulations.
- Are these tanks UV-rated and weatherproof? Most are UV-stabilized to resist sun damage; verify the material and finish in product specs to ensure outdoor durability.
- How do I prevent odors while using a portable tank? Use recommended tank treatments or deodorizing products compatible with your system and ensure proper venting where applicable.
- Can I use these with my existing RV sewer hose? Yes, most are designed to be compatible with standard 3″ RV waste fittings and hoses.