Comparison: Best Garbage Disposal For Septic Tanks (Updated | Oct 22nd)
Choosing the **best garbage disposal for septic tanks** requires careful consideration to ensure compatibility, efficiency, and minimal environmental impact. Unlike standard disposals, models designed for septic systems are optimized to break down waste without overwhelming the tank, reducing clogs and maintenance issues. Key factors include grind chamber size, motor power, and septic-safe certification. This comparison highlights top-rated options, focusing on performance, noise levels, and ease of installation to help homeowners make an informed, sustainable choice. Avoid disposals with excessive horsepower or harsh grinding mechanisms, as these can disrupt septic balance. Prioritize units engineered to work harmoniously with your system.
Editorβs Choice
Best for a specific purpose
-
Best for best overall:
InSinkErator Evolution Septic Guard 3/4 HP Garbage Disposal -
Best for compact design:
InSinkErator Power 1HP -
Best for septic optimized:
InSinkErator Power .75HP -
Best for septic treatment:
Septic Tank Treatment – 1 Year Supply of Septic Safe Dissolvable Easy Flush Live Bacteria Packets (12 Count) – Best Way to Prevent Expensive Sewage Backups – Made in USA -
Best for best budget:
1 HP Garbage Disposal with Sound Reduction -
Best for septic booster:
InSinkErator BOOST Injection System with Septic Guard Solution -
Best for septic safe:
Moen Prep Series PRO Continuous Feed Compact Garbage Disposal for Kitchen Sink with Power Cord -
Best for odor control:
Danco Liquid Rhyno 10 oz. Septic Treatment Powder -
Best for anti-jam tech:
Waste Maid 10-US-WM-048-3B Garbage Disposal Anti-Jam Stainless Steel Food Waste Grinding System -
Best for pet waste:
Doggie Dooley 3000 Septic-Tank-Style Pet-Waste Disposal System
Product Comparison: Best Garbage Disposal For Septic Tanks
Best overall
InSinkErator Evolution Septic Guard 3/4 HP Garbage Disposal, Advanced Series EZ Connect Continuous Feed Food Waste Disposer BOOST System with Septic Guard
InSinkErator
- INSINKERATOR EVOLUTION SEPTIC GUARD 3/4 HP GARBAGE DISPOSAL: 12.25-in x 8.25-in disposal with EZ Connect Hardwire Adapter, garbage disposal flange, kitchen drain stopper, etc.; 7.82-in by 4-in BOOST accessory; EZ Connect Power Cord sold separately
- DIY EZ CONNECT SINK GARBAGE DISPOSAL: USA-assembled kitchen appliance with EZ Connect Hardwire Adapter and Lift and Latch technology for DIY installation; BOOST dishwasher inlet adapter that attaches to the EZ Removable Disposal Dishwasher Inlet Plug
- ADDED ASSURANCE FOR HOMES ON A SEPTIC SYSTEM**: Septic Guard liquid formula thatβs non-corrosive to plumbing and scientifically proven to support the digestion of solids, helping to break down food waste buildup in your homeβs septic system** and pipes
- QUIET OPERATION WITH HELPFUL ODOR REDUCER: Garbage disposer with Quiet SoundSeal technology for quieter operation than that of standard garbage disposals; Septic Guard liquid with a fresh citrus scent that helps reduce undesired kitchen sink odors
- 9-YEAR LIMITED* WARRANTY: Backed by INSINKERATOR 9-Year ""We Come to You"" Limited* Warranty that covers in-home repair or replacement of food waste disposer; sink disposal accessory backed by 1-Year Limited* Warranty *See product warranty for details
Compact design
InSinkErator Power 1HP, 1 HP Garbage Disposal, Power Series EZ Connect Continuous Feed Food Waste Disposer, Black
InSinkErator
- DIY EZ CONNECT SINK GARBAGE DISPOSAL: USA-assembled kitchen appliance with EZ Connect Hardwire Adapter, EZ Removable Dishwasher Inlet Plug, and Lift and Latch technology for the easiest installation of an InSinkErator food waste disposer
- REDUCED SOUND AND COMPACT: Garbage disposer that operates with reduced noise levels compared to standard disposals; space-saving design that easily fits under sink, leaving room for other small kitchen appliances, like an instant hot water dispenser
- Reduced Sound featuring a reduced noise level over a standard disposal
- Power Grind for tough food scraps
Septic optimized
InSinkErator Power .75HP, 3/4 HP Garbage Disposal, Power Series EZ Connect Continuous Feed Food Waste Disposer, Black
InSinkErator
- INSINKERATOR POWER .75HP 3/4 HP GARBAGE DISPOSAL: 12-inch H x 8.25-inch W disposal with EZ Connect Hardwire Adapter, garbage disposal flange, gaskets, etc., for install, plus wrenchette and kitchen drain stopper; EZ Connect Power Cord sold separately
- DESIGNED TO PREVENT CLOGS: Sink disposal with 2-Stage MultiGrind Technology designed to prevent clogs by grinding food scraps finer; 3/4 HP Dura-Drive induction motor for maximum durability; removable baffle for easy cleaning
- DIY EZ CONNECT SINK GARBAGE DISPOSAL: USA-assembled kitchen appliance with EZ Connect Hardwire Adapter, EZ Removable Dishwasher Inlet Plug, and Lift and Latch technology for the easiest installation of an InSinkErator food waste disposer
- REDUCED SOUND AND COMPACT: Garbage disposer that operates with reduced noise levels compared to standard disposals; space-saving design that easily fits under sink, leaving room for other small kitchen appliances, like an instant hot water dispenser
- 6-YEAR LIMITED SERVICE WARRANTY: Backed by InSinkErator 6-Year "We Come to You" Limited Service Warranty
Septic treatment
Septic Tank Treatment – 1 Year Supply of Septic Safe Dissolvable Easy Flush Live Bacteria Packets (12 Count) – Best Way to Prevent Expensive Sewage Backups – Made in USA
SEPTIC TREATMENT BY CABIN OBSESSION
- πΏ YOUβRE JUST ONE FLUSH AWAY FROM A HEALTHY SEPTIC SYSTEM! Our monthly easy flush dissolving packets are specially formulated to help break down waste and maintain a properly functioning septic system. This is the easiest and most efficient way to prevent expensive septic tank backups and drain field repairs. Just flush one packet down your toilet each month!
- πΏ SCIENTIFICALLY SELECTED BACTERIA CULTURES. Each packet contains billions of active bacteria cultures that are scientifically selected to produce, activate, and recharge the enzymes needed to reduce solids and decompose the different types of waste found in both the sludge layer and scum layer of your septic tank, and even out into the leach field.
- πΏ ALL NATURAL, ENVIRONMENTALLY FRIENDLY, & MADE IN THE USA. Each flushable septic treatment packet is all natural, with no chemical additives. Theyβre safe for all home plumbing lines, any black water system or cesspool, and both aerobic and anaerobic septic systems, so flush each packet down your toilet with absolute confidence!
- πΏ ELIMINATES ODOR, AND GREAT FOR YOUR RV AND BOAT TOO. Not only is this the best way to maintain a healthy residential septic system, but our concentrated formula dissolvable enzyme pouches are also ideal for use in marine holding tanks and camper toilets too! And because of the advanced digestion rate of odor causing bio organic wastes, they aid in controlling and getting rid of bad smells too. Your nose will thank you!
- πΏ PREVENTS EXPENSIVE SEPTIC BACKUPS AND REPAIRS. A small investment in our septic tank treatments help to prevent clogs and bulky buildup that causes septic overflow. The billions of bacteria in each packet digest solid waste, converting it to liquid, preventing costly repairs and frequent pumping.
Best budget
1 HP Garbage Disposal with Sound Reduction, TECASA Food Waste Disposer for Kitchen Sink, Septic Safe Garbage Disposal, Power Cord Included, Grey and Black – HyperCrush 100
TECASA
- ππππππππ π ππ πππππ π πππππππ: The 1.0 HP garbage disposer is more suitable for daily cooking families with more than four people or those that generate a lot of food waste.
- ππππππ ππ ππππππ: The one-horsepower 2800 RPM motor delivers instant, large-torque power to provide a more efficient grinding job and drains cleaner and more efficiently with turbine-forced water pressure technology.
- πππππ πππππππππ: A custom-formed thick sound endergonic foam wrapped and full-coverage polymer shell traps most rotational and vibration noise. A rubber splash-baffle further batement sound.
- πππ πππ π πππππππ: The DC motor with full torque eliminates potential jams, and safety measures such as overload protection and an accessible reset button ensure operation and prevent damage.
- ππππππππππ π πππ: This feature requires an extra switch (not included) to activate. It quickly grinds food waste and continuously feeds as it runs.
- πππππππ ππ ππππ: TECASA garbage disposal is suitable for most home kitchens for standard 3-1/2 inch sink opening hole. A pre-installed 39" power cord for electricity connection.
- ππππβπ ππππππππ: Disposal with preinstalled power cord, stopper, elbow flange and drain kit.
- UL Listed
Septic booster
InSinkErator BOOST Injection System with Septic Guard Solution, Septic System Maintenance Garbage Disposals, BST-SG
InSinkErator
- INSINKERATOR BOOST System with Septic Guard (BST-SG) FOR INSINKERATOR GARBAGE DISPOSALS: 7.82-in tall by 4-in square BOOST Accessory device, Septic Guard solution, mounting kit and screws, power adapter, disposal dishwasher inlet plug, tubing, etc.
- ADDED ASSURANCE FOR HOMES ON A SEPTIC SYSTEM**: Septic Guard liquid formula thatβs non-corrosive to plumbing and scientifically proven to support the digestion of solids, helping to break down food waste buildup in your homeβs septic system** and pipes
- HELPFUL ODOR REDUCER: Septic Guard liquid with fresh citrus scent that helps reduce undesired kitchen sink odors
- DIY INSTALL AND REFILL CHANGE: INSINKERATOR BOOST System dishwasher inlet adapter that attaches directly to the disposal dishwasher inlet plug with option to use power adapter or four AA batteries; click-into-place design for Septic Guard refill bottles
- 1-YEAR LIMITED* WARRANTY: INSINKERATOR sink disposal accessory backed by INSINKERATOR 1-Year Limited Warranty *See product warranty for details
Septic safe
Moen Prep Series PRO Continuous Feed Compact Garbage Disposal for Kitchen Sink with Power Cord, GXP50C
Moen
- POWERFUL FOOD WASTE PROCESSING: Features a 2,600 RPM (revolutions per minute) Vortex motor to provide fast, powerful grinding of everyday food scraps to significantly reduce disposal jamming
- COMPACT DESIGN: The 1/2 HP (horsepower) garbage disposal is lightweight for easy installation and maximizes valuable under-sink space
- SIMPLE SWAP: Effortlessly replaces most existing garbage disposals, including non-Moen brands, with its pre-installed power cord
- SEPTIC SAFE: Safe to use with properly-sized septic tanks
- ECO-FRIENDLY: Reduce waste sent to landfills with this easy-to-install garbage disposal for your kitchen sink
- BUILT TO LAST: The Moen garbage disposal 5-year limited warranty with in-home service guarantees help is there when you need it
Odor control
Danco Liquid Rhyno 10 oz. Septic Treatment Powder, Monthly Natural Enzyme Septic Maintenance & Main Line Cleaner, Controls Odors in Sinks, Tub/Shower, Toilets, Garbage Disposal & RVs, 5 dose (12122)
Danco
- AVOID SEPTIC BACK-UPS βLiquid Rhyno Septic enzyme treatment is uniquely formulated with a premium blend of digestive enzymes + biologicals that breaks down household waste and paper. The healthy natural enzymes are formulated to eat away buildup from hair, grease, food, soap scum, paper and organic matter.
- MONTHLY MAINTENANCE PREVENTS CLOGS β Monthly Doses will maintain a healthy septic system, prevent slow flowing drains and septic sewage issues. Protect your septic tank, pipes, and main-line plumbing systems from costly backups.
- CONTROL SEPTIC ODOR β Liquid Rhyno Septic Maintenance Treatment helps control odors by neutralizing foul-smelling materials. Monthly doses will put the natural enzymes back into your septic system
- SAFE FOR ALL SEPTIC TREATMENT SYSTEMS β Liquid Rhyno Drain Cleaner is a safer alternative to harsh chemicals and is non-corrosive and safe for all drain pipes – septic & city sewer. This unique septic main line cleaner contains 100% non-pathogenic material, making it a safer option for your household, pipes, plumbing systems and RVs
- WHY LIQUID RHYNO? Liquid Rhyno charges headfirst at whatever household plumbing issue comes its way. Liquid Rhyno is the hard charging muscle, bringing powerful solutions for even the toughest plumbing problemsβ¦Every time! Liquid Rhyno dissolves these drain clog issues to restore the free flowing state of your drain
Anti-jam tech
Waste Maid 10-US-WM-048-3B Garbage Disposal Anti-Jam Stainless Steel Food Waste Grinding System, 1/3 HP Compact, Black
WASTEMAID
- 1/3 HP COMPACT GARBAGE DISPOSAL: The Waste Maid Builder Series garbage disposer features a 1/3 horsepower 2400 RPM permanent magnet motor allowing the powerful garbage disposal to operate at optimal torque on the first rotation
- TORQUE MASTER GRINDING SYSTEM: Anti-jam Torque Master stainless steel grinding system delivers maximum torque for cutting through waste and a durable turntable with balanced impellers for less vibration, quieter operation, and longer life
- CONTINUOUS FEED OPERATION: Continuous feed garbage disposals let you add food waste into the disposal even while it is running. It is recommended to run water while the disposal is in operation
- EASY 3-BOLT MOUNTING: A standard 3-bolt mounting system makes for fast installation and direct replacement for most garbage disposal brands using 3-bolt mounting systems
- 4-YEAR / LIFETIME WARRANTY PROTECTION: Enjoy peace of mind with a 4-year warranty on the Waste Maid 048 garbage disposal and a lifetime warranty against corrosion failure (see product warranty for full details)
Pet waste
Doggie Dooley 3000 Septic-Tank-Style Pet-Waste Disposal System
Doggie Dooley
- Environmentally safe in-ground pet-waste disposal system
- For 2 large dogs or 4 small dogs; works like a miniature septic tank
- Galvanized steel tank; foot-operated lid opener; made in USA
- Includes Digester
- Measures 13-3/4 by 13-3/4 by 15 inches
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
Which garbage disposal is best for septic tanks?
InSinkErator Evolution Septic Guard 3/4 HP is designed specifically for septic systems.
What horsepower is recommended for septic-safe disposals?
Models like InSinkErator Power 1HP and TECASA 1 HP are suitable for septic tanks.
Are there compact options for septic systems?
Moen Prep Series PRO is a compact, septic-compatible disposal.
Does InSinkErator offer septic additives?
Yes, the BOOST Injection System with Septic Guard Solution enhances septic performance.
Which disposal has anti-jam features for septic use?
Waste Maid 10-US-WM-048-3B includes stainless steel anti-jam technology.
Are lower HP models safe for septic tanks?
InSinkErator Power 3/4 HP is a septic-safe option with efficient grinding.
Does septic treatment complement garbage disposals?
Products like Septic Tank Treatment and Liquid Rhyno Powder maintain septic health alongside disposals.
