Trailer Septic Holding Tank

$1,199.00

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Due to the range in sizes, weights, and distances our items are shipped, we offer a variety of options you'll find at checkout.
  • Most items being delivered throughout Southern Ontario are delivered on our own fleet of vehicles. These rates are automatically calculated at checkout when applicable.
  • Items outside of our delivery area will either automatically calculate a third-party freight rate, or provide a clickable option to "Request a Quote". Our team will then find you the best freight rate available and send a follow-up email.
  • Store pickup as an option on all products.
If you're unsure of your options or unhappy with the rate that is automatically calculated at checkout, please use the "Request a Quote" button for a customized solution.

The perfect tank for above-ground septic storage at a trailer or cottage. This 300 USG single-compartment low profile holding tank is ideal for any building or residence where a septic solution is needed without excavation. Manufactured for containment of liquids up to 1.7 specific gravity. Ready for pickup or delivery. 132 lbs. 95 × 56 × 16 in. 2″ bulkhead.

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We will always:

  • Provide fast delivery and communication.
  • Make returns and exchanges easy.
  • Be available for advice and support.

This trailer septic tank is the perfect solution for above ground waste storage. The flat top allows for end-user customization to meet the needs of your project. Sewer intakes can be added anywhere along the top of the tank and attached with either PVC glue or a bulkhead fitting.

Weight 132 lbs
Dimensions 95 × 56 × 16 in

  1. No Excavation Needed: Choosing an above ground holding tank eliminates the need for excavation. Our 300 USG (US Gallon) single-compartment low profile holding tank is only 16” tall. The perfect size to slide under a trailer, mobile home, or cottage. It can fit in the space between the ground and the floor.
  2. No Leach Field: Because this is a holding tank, there is no leach field required to process waste.
  3. Reduced Plumbing: Plumbing into this holding tank is easy, simply slide the tank to the location you want, and run an outlet from your trailer (cabin, cottage etc.) into the top of the tank. You pick where the tank goes, and you pick where the inlet goes. This flexibility means you can install this tank with one outlet pipe and some PVC cement or a bulkhead inlet. The tank has a bulkhead outlet for a valve placement that can help with emptying. Meaning this entire installation can be completed with as few as three pieces of plumbing. By using bulkheads you can easily disconnect the tank from your trailer and move it in the back of your truck if needed.
  4. Drastically Reduced Cost: A dual-compartment septic system with a leach field averages between $18,000 and $35,000 in Ontario. Thanks to the ease of installation, eliminated excavation, reduced plumbing costs, and affordable tank price, a project using this 300 USG tank can be completed for under $2,000. This solution makes waste removal possible for many cabins and trailers in a way that traditional septic systems can’t.

There are a huge range of factors that will skew this number, such as the number of facilities (showers, bathrooms, sinks) and the number of people using them. A small tank like this is most common in a trailer park, where a waste removal service is offered on a regular (weekly) basis. It’s also a great choice for hunting cabins with a small amount of indoor plumbing. For permanent use or larger requirements, the solution is likely a below ground holding tank with a larger capacity, or a dual-compartment septic system.

Generally speaking, the best bet is to be aware of how much wastewater is being produced, and plan accordingly. The average person will create between 40-90 gallons of wastewater daily with routine living. Conservation efforts and awareness can help reduce this amount.

There is one primary difference between a holding tank and a septic tank. A holding tank is a single-compartment storage container for waste that needs to be manually emptied. A septic tank is a dual-compartment tank that processes and distributes waste into a leach field.

The dual-compartment septic tank system is what most people picture when they think about septic tank installations. You can explore the components of this type of septic system here. However, a single-compartment holding tank can be the perfect solution. Especially for trailers, cottages, and cabins with fewer facilities or limited use.

Still searching for the correct cistern or septic tank? View the rest of our tank options here. You can also view Poly Septic frequently asked questions.

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Katie A
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Last night we realized we were almost out of water. We quickly scrambled to get a delivery out in the morning. Around 11am my husband and were complaining about what a pain it is to not know until he actually checks our water levels with his stick and how close a call it was today. I did a quick Google search for "Cistern water gauge" and their AI linked me to the PTLevel Wireless Tank Level Monitor on your website. I sent the link to him an he ordered it on the spot. (He said with a name like "Ontario Agra", it sounds like a business we should be doing more business with.) Within 15 minutes he received an email about it being delivered this afternoon. By "delivered" we assumed they meant shipped out this afternoon... but we were wrong! (Little did we know that your location is a short drive from where we live.) We ended up getting the item by 3:15pm when a very kind young man pulled into our driveway to hand deliver the Monitor. By 4pm we had it installed (perfect timing with our 100% full cistern) and as of 4:20pm I am writing the review. On our farm and in our household, we order a lot of items online. We have never experienced this level of excellent customer service before and would not hesitate to order from again or recommend this business!
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Chris Fletcher
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Kyle and the team are fantastic! They have everything you would ever need for plumbing and drainage. One stop shop!
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Henry Bergen
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Great phone reception and easy to work with.
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William Joyce
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Awesome staff who are very helpful! Walked in with a tile drain problem and walked out with a solution! I highly recommend these folks.
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tracy Stiff
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Big shout out to George at the front counter! He saved me 100s of dollars by patiently walking me through a plumbing problem I was having. With his great tutelage I was able to complete my first plumbing fix. Thanks George!!!
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B Searles
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This place is amazing for your needs. I have bought drainage supplies from them and last week I needed some materials for a municipal water line. They didn't have it but they kindly directed to me another supplier that did. Without their help I would not have got the job done.
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Benjamin Heemskerk
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Really friendly and knowledgeable staff.
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Sean Nurse
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Love this place and I always enjoy the reception I get from the others and patrons. This is the store provides all of the special fittings for my irrigation setups. There's not a problem they can't fix for you in that respect but they are so much more.
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Lorne Woods
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Can't say enough about these guys. Their service is excellent and their driver is the nicest guy you'll ever meet.

*Always check with your municipal requirements prior to installation.

Weight 132 lbs
Dimensions 95 × 56 × 16 in
Above or Below Ground Installation

Material

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