RV living is all about freedom and convenience—but managing waste properly is a big part of the lifestyle. While portable waste tanks and dump stations are common, many RV owners prefer a more permanent solution: an in-ground septic tank for their RV. Installing a septic tank at your property gives you a dedicated place to dispose of black and gray water safely, without the hassle of constant trips to dump stations. In this guide, we’ll explore how in-ground septic tanks for RVs work, what to consider before installing one, and the best products to make your setup reliable for years to come.
Quick Picks
- Norwesco 500-Gallon Septic Tank – Best Overall: compact, durable, and ideal for RV setups at a home base.
- Infiltrator IM-540 Septic Tank – Best Budget: lightweight polyethylene tank, easy to install for smaller RV needs.
- Norwesco 1000-Gallon Heavy-Duty Septic Tank – Best Premium: large capacity for full-time RVers or multiple hookups.
Buyer’s Guide: Choosing an RV Septic Tank
- Tank Size: Choose a size based on how often you’ll use it. Smaller 300–500 gallon tanks are good for part-time use, while 1,000+ gallons are best for full-time RV living.
- Material: Polyethylene tanks are lightweight and resistant to corrosion. Concrete tanks are long-lasting but harder to install.
- Installation: Proper excavation, venting, and drainage field setup are essential. Professional installation is highly recommended.
- Local Codes: Always check county and state regulations. Some areas require permits for RV septic hookups.
- Maintenance: Tanks still require pumping every 3–5 years to prevent buildup, just like residential systems.
Detailed Product Reviews
Norwesco 500-Gallon Septic Tank
Who it’s for: RV owners who want a durable, mid-sized septic solution for their property.
- Key Benefits: Made from polyethylene; ribbed design for strength; easy to install.
- Pros: Compact size; lightweight; affordable for a permanent RV septic setup.
- Cons: Limited capacity for multiple RVs or full-time use.
Verdict: The perfect balance of size and cost for occasional or seasonal RV use.
Infiltrator IM-540 Septic Tank
Who it’s for: Part-time RV users looking for a budget-friendly septic solution.
- Key Benefits: Lightweight polyethylene; 540-gallon capacity; corrosion-resistant.
- Pros: Easy installation; affordable; durable construction.
- Cons: Not suitable for high-volume or multiple RV usage.
Verdict: A low-cost, efficient option for those who only use their RV hookup occasionally.
Norwesco 1000-Gallon Heavy-Duty Septic Tank
Who it’s for: Full-time RVers or families with multiple RV hookups at one property.
- Key Benefits: Large 1,000-gallon capacity; heavy-duty build; designed for long-term use.
- Pros: Handles high volume; long lifespan; reliable for heavy use.
- Cons: Requires professional installation; higher upfront cost.
Verdict: A premium choice that provides years of trouble-free service for RV-heavy households.
Tuf-Tite 750-Gallon Septic Tank
Who it’s for: RV owners wanting a mid-range option that balances capacity and installation ease.
- Key Benefits: 750-gallon capacity; rugged polyethylene construction; easy access lid.
- Pros: Good for part- to full-time RV use; strong and reliable; manageable size.
- Cons: Heavier than smaller tanks; installation still requires excavation.
Verdict: A great middle-ground option for frequent RV users who don’t need a 1,000-gallon tank.
Polylok Septic Tank Riser Kit
Who it’s for: RV owners who want easier access for pumping and maintenance.
- Key Benefits: Brings septic tank access to ground level; compatible with most tanks.
- Pros: Saves money on future pumpings; eliminates digging; durable design.
- Cons: Requires initial installation effort.
Verdict: A must-have accessory for any in-ground septic setup, RV or residential.
Comparison Table
| Product | Capacity | Best For | Price Link |
|---|---|---|---|
| Norwesco 500-Gallon Tank | 500 gallons | Seasonal RV use | See Price |
| Infiltrator IM-540 | 540 gallons | Budget-friendly setups | See Price |
| Norwesco 1000-Gallon Tank | 1000 gallons | Full-time RV living | See Price |
| Tuf-Tite 750-Gallon Tank | 750 gallons | Frequent RV use | See Price |
| Polylok Riser Kit | N/A | Easy access for maintenance | See Price |
FAQ
1. Can I use a regular septic tank for my RV?
Yes, most residential septic tanks can be adapted for RV use, but installing a dedicated tank ensures better management and compliance with local codes.
2. What size septic tank do I need for an RV?
For occasional use, a 500–750 gallon tank is sufficient. For full-time RV living, consider 1,000 gallons or more.
3. Do I need a permit for an RV septic tank?
Yes, most areas require permits and inspections for in-ground septic installation. Always check local codes.
4. How often should I pump an RV septic tank?
Every 3–5 years, similar to residential septic tanks, though frequency depends on usage.
5. Can I install an RV septic tank myself?
It’s best to hire professionals, as installation involves excavation, venting, and compliance with regulations.
Conclusion
An in-ground septic tank for your RV provides convenience, independence, and peace of mind. With options like the Norwesco 500-gallon tank for seasonal use or the 1,000-gallon heavy-duty model for full-time living, there’s a solution for every type of RV lifestyle. Pair your tank with a riser kit for easy maintenance, and you’ll have a reliable waste management system that lasts for years. If you’re serious about RV living at your property, installing an in-ground septic tank is a smart investment.