The Best Water Saving Toilets – Top 5 Water Efficient Toilets

Depending on brand and construction, toilets come in a range of shapes and sizes. For most people, an ideal toilet is one that efficiently cleans waste while saving water. In this article, we detail some of the best water-saving toilets on the market. All these toilets function exceptionally; however, in terms of saving water, the Niagara 77001WHCO1 Stealth Toilet is the best product in this review. It is designed to deliver maximum pressure that washes away both liquid and solid waste with equal efficiency while using the least amount of water.

Best Water Saving Toilets review

1. TOTO CST454CEFG#01 Drake II Toilet

The Toto Drake II is a beautifully designed two-piece ultra-modern toilet. The Drake II tank and bowl set include tank to bowl hardware, toilet bolt caps, and tank to bowl gasket.

This toilet features Toto’s tornado flushing system, a powerful and unique high-efficiency, state of the art flushing system that creates a cyclonic washing action, leaving the toilet clean and free from particles while making use of only 1.28 gallons of water per flush. This helps to reduce the number of toilet cleanings hence conserving water and minimizing the usage of harsh chemicals.

TOTO CST454CEFG#01 Drake II Toilet

This Drake II series includes CEFIONTECT, an exceptionally smooth ion barrier glazing that prevents debris and stains from sticking to the ceramic. This version of the Drake II is designed with an elongated toilet bowl and a universal height seat that ensures a wide range of users can use it comfortably. It is trip lever is on the left and it is ADA compliant.

Product Features

  • CEFIONTECT gives bowl lubricious quality, which prevents staining.
  • Tornado Flushing technology with a hole-rim design and dual nozzles creates centrifugal cleaning action that rinses toilet bowl efficiently.
  • Universal height catering to a broader range of individuals.
  • Ultra-modern, two-piece elongated bowl with tank set.
  • The AquaPiston canister is designed to resist deterioration and warping while optimizing flush performance.

Product Specifications

Color: Cotton white

Height: 17-1/4″

Shape: Elongated

Type: Two-piece

Manufacturer: Toto

Flush Flow Rate: 1.28 gallons per flush

Flush Type: Gravity flush

Product dimensions: 28.5 inches x 16.5 inches x 29.5 inches

Compliance: ADA, CALGreen, CEC, WaterSense compliant

Flush lever location: Left

Rough-In: 12 inches

Mount type: Floor mount

Material: Vitreous china

Included parts: Toilet bolt caps, Tank to Bowl hardware, Tank to Bowl gasket

An Important note: Toilet mounting bolts, wax ring, toilet seat, and water supply lines are not included.

2. American Standard 2887.216.020 H2Option 2-Piece Dual Flush Elongated Toilet

The American Standard 2887.216.020 is a high profile, dual flush toilet designed with a unique and excellently performing H2Option system. It features siphonic action technology, which eliminates more waste while using less water and working quietly.

This technology is controlled by a dual-flush actuator button that lets you choose either a 1.6-gallon flush for heavy solid waste or a 1.0-gallon flush for liquid waste hence using 37.5% less water. In both cases, the PowerWash Rim cleans and clears the toilet bowl efficiently in a single flush.

American Standard 2887.216.020 H2Option 2-Piece Dual Flush Elongated Toilet

The American Standard 2887.216.020 toilet comes with an elongated bowl that offers users more comfort. It also features an EverGreen surface that protects the toilet from algae, mold, fungus, and mildew, which can cause staining or deterioration.

Additionally, the mirror-like EverGreen surface is easy to clean and stays clean longer, even after many years of use. The American Standard 2887.216.020 toilet meets EPA WaterSense requirements.

Product features

  • High profile, dual flush two-piece elongated toilet
  • Powerful H2Option system with a jet-powered siphonic bowl.
  • Full flush that can handle 1000 grams of heavy solid waste in one single flush. And a partial flush that can handle 400 grams of waste.
  • A chrome-plated push button actuator
  • Pressurized rim and EverGreen mirror-like surface.

Product Specifications

Color: Available in various colors

Shape: Elongated

Type: Two-piece

Flush type: Dual flush

Material: Vitreous china

Trap way: Fully glazed 2 Inches

Product Dimensions: 29.8 inches x 15 inches x 29.5 inches

Rough-In: 12 inches

Flush Flow rate: Full flush (1.6 gallons per flush), partial flush (1.0 gallons per flush)

Certification: WaterSense

Installation method: floor mounted

Important note: The toilet seat is not included in the package.

3. KOHLER K-3609-0 Cimarron Toilet

The Kohler K-3609-0 Cimarron is a high-efficiency toilet that combines versatile style with the high water conservation capabilities of the Cimarron series. The 1.28-gallon flush produces significant water savings without sacrificing performance. When compared to a 3.5-gallon toilet, it can save up to 16,500 gallons of water every year.

It also offers innovative AquaPiston technology that features a patented full engine. This engine delivers a powerful, fast, and virtually plug free flush. Water flows into the toilet bowl from all sides, increasing the effectiveness of a flush.

KOHLER K-3609-0 Cimarron Toilet

The Kohler k-3609-0 Cimarron toilet comes with an elongated bowl positioned at the same height as a standard chair, making it comfortable and easy to use. This toilet can easily and quickly be installed. Owing to a metal bracket at the bottom of the tank, you do not need to drill holes into the tank when installing the Kohler k-3609-0 Cimarron in a bathroom.

Product Features

  • High-efficiency, sturdy toilet made to last long.
  • The 2-piece toilet delivers 1.28 gallons per flush.
  • Toilet set consists of a K 4421 tank and a K 4309 bowl.
  • Features comfort height that offers chair-height seating, making standing up and sitting down easier for most adults.
  • An elongated bowl that offers added room and comfort while using the toilet.

Product Specifications

Shape: Elongated

Type: Two-piece

Product weight: 65.3 pounds

Size: 2-1/8 inches

Color: White

Flush type: Single flush gravity

Rough-In: 12 inches

Material: Vitreous china

Flush flow rate: 1.28 gallons per flush

Lever placement: Left

Certification: WaterSense, ADA

Manufacturer: Kohler

Important Note: The supply line and toilet seat are not included in the package.

4. Nature’s Head Self Contained Composting Toilet

Nature’s Head composting toilet is undeniably one of the most valuable self-contained, portable, urine separating dry toilets. It is highly reliable and efficient. Supported by the latest technology, this toilet functions on land, water, and the road. It was designed by two experienced sailors who envisioned a more user-friendly toilet than was available on the market.

This toilet was designed to withstand harsh marine environments; however, it could be used anywhere one needs a toilet. Most notably, in places where electricity or plumbing is non-existent or exhausting, for example, campers, RVs, barns, workshops, yurts, trucks, to mention but a few.

Nature's Head Self Contained Composting Toilet

Notably, Nature’s Head composting toilet does not have foul odors associated with other kinds of holding tank systems. It features a built-in Low Volume Air Circulation fan that recycles the air in the bathroom, helping to make the space smell better. Because it was majorly designed for marine use, this toilet has a rugged design and compact construction. It is built of only stainless hardware, making it extremely durable, no matter the environment. It features an elongated seat that enables ease of use and comfort. Additionally, this Nature’s Head toilet comes with an adjustable handle that can be mounted on either the right or left.

Product Features

  • Portable and self-contained
  • All stainless hardware
  • Full size elongated seat enabling comfort and easy use.
  • It comes with a fan and vent hose to eliminate any bad odor from waste.
  • Easy to disassemble when the tank needs to be emptied. The process only takes a few seconds.
  • Close quarters spider handle to conserve space.

Product Specifications

Shape: Elongated

Color: Granite

Voltage: 12 volts

Installation method: Floor mounted

Product dimensions: 22 inches x 20.5 inches x 21.7 inches

Item weight: 28 pounds

5. Niagara 77001WHCO1 Stealth 0.8 GPF Toilet

The Niagara 77001WHCO1 Stealth toilet is a high-performance toilet designed to be sturdy and function powerfully. It features an elongated bowl of chair height, making it very comfortable and easy to use for the average adult.

This toilet uses only 0.8 gallons of water per flush, saving you lots of water but without compromising the effectiveness of the flush. One flush can thoroughly evacuate all the waste in the toilet bowl, both solid and liquid, without a need to double flush the toilet. Furthermore, it delivers a very quiet flush and it is EPA WaterSense labeled.

Niagara 77001WHCO1 Stealth 0.8 GPF Toilet

Product Features

  • Ultra-high-efficiency flush.
  • It is designed with a floor outlet.
  • It delivers an extremely quiet flush.

Product specifications

Color: White

Type: Two-piece

Rough-In: 12 inches

Flush flow rate: 0.8 gallons per flush

Certification: WaterSense e Material: vitreous china

Shape: Elongated

Item weight: 103 pounds

Product dimensions: 28.9 inches x 18.8 inches x 31 inches

Installation method: Floor mounted

Lever placement: Top

Flush type: Gravity

Trapway size: 2-in

Bowl Height with seat: 17 inches

Bowl Height without seat: 16 inches

Size: Medium

Important note: The toilet seat is not included in the package.

Tips on Finding the Best Water Saving Toilets

Look for the Best Flush Rating

When you buy a toilet, you should expect it to work well for a good ten years after purchase. If you want something durable, take time and do your research. Compare features of different toilets and pick the best water efficient toilets with the right flush performance. It will give you an idea of how strong the toilet flushes and how much water it saves.

Best Water Saving Toilets

Think of Comfort

In case you find that sitting on toilets can sometimes be uncomfortable or even difficult, you would be pleased to know that there are toilets designed specifically for people like you. The ADA (Americans with Disabilities Act) has strict guidelines and toilets which comply with ADA guidelines have higher bowls set at either 17 inches or 19 inches. This is significantly taller than 15 inches, which is the standard. ADA compliant toilets are quite suitable for adults and people with disabilities. However, they are unfitting for smaller children.

Ensure the Rough-in Matches Up

The rough-in is the distance of the back of the bathroom wall from the bolts which hold down your toilet. Always measure the rough-in of the existing toilet before you buy a new one unless you are planning on making considerable changes to your bathroom. This measurement ensures that the new toilet can be installed in the space without requiring a major redecoration or cover-up of any holes that would be left by moving the old toilet.

One-piece or Two-piece Toilets

In general, toilets are offered in two configurations, one-piece, and two-piece designs. One-piece designs have an integrated bowl and tank, eliminating the fissure between the bowl and tank in the two-piece toilets. One-piece toilets are most commonly found in upscale homes and they are uniquely available in low height styles and low profiles. Plus, they are heavier than two-piece toilets. Two-piece designs are the most popular designs for residential installations.

Try not to Under Budget

If you are upgrading or changing your toilet, you must carefully consider the amount of money you are willing to spend on the toilet. While it is essential to save, try not to under budget. The toilet may not be the most glamorous item, however, it is paramount in providing basic sanitary needs in your household. So remember never to compromise a good quality toilet for a lower price. If you select an inferior quality product. It will cost you more in repairs in case something goes wrong.


With the number of toilet manufacturing brands on the market, you may be lost for choice. However, before you purchase a toilet, do all the necessary research and make sure whatever product you choose as your final pick fits your needs. The Niagara 77001WHCO1 Stealth Toilet is the best water-saving toilet. It is the only ultra-high-efficient toilet on the market. It optimizes performance and functionality while prioritizing water conservation, offering the most value for your money.

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