Specifications
Introducing our durable holding tank available for hire in Seattle! Built by Satellite PolyPortables, these tanks are designed to stack higher, resist cracking, and decrease wear. They have molded fittings, recessed ports, and connections for strength and durability. Connect tanks end-to-end with rubber fittings to increase waste storage. Optional 5″ and 10″ manways are available. For non-potable water only.
- For non-potable water only
- Interlocking stacking posts/pockets on all four corners
- Recessed ports and connections
- Two internal pillars for added strength
- Optional 5″ (127mm) and 10″ (254mm) manways
- Molded fittings
- Thickened corners
- End-to-end fittings for linking tanks
- Available in gray or natural translucent color
Take charge of your tank’s maintenance! Call us now at 206-397-0336 to schedule a pumping service or to rent one of our holding tanks!
Can We Pump Your Tank?
We offer pumping services for a variety of tanks, including septic tanks, holding tanks, sewage tanks, trailers, and toilets. Whether it’s a septic tank, trailer holding tank, or any other tank with sewage, wastewater, or black and gray water, our professional team is equipped to handle the pumping needs efficiently and effectively.

Contact us at 206-397-0336 today to schedule a pumping service for your specific tank requirements.
When Can We Pump Your Waste and Holding Tanks?
We provide flexibility to accommodate your schedule to the best of our ability when it comes to pumping services for holding tanks, trailers, toilets, and other tanks that require pumping.
Our daily routes enable us to respond promptly, with our drivers typically able to pump your holding tanks within a few hours or the following day, depending on your location.
Call us now at 206-397-0336 to get your tank pumped!
How Often Should I Have My Tank Pumped?
The frequency at which you should have your holding tank pumped can vary depending on several factors, including the size of the tank, the volume of waste it receives, and the specific regulations or guidelines in your area. As a general guideline, it is recommended to have your tank pumped when it reaches approximately 75% to 80% of its capacity.
When Should I Get My Tanks Pumped?
- Slow Drains: If sinks, toilets, or drains are slow to empty, it may indicate a full septic tank.
- Odors: Foul smells near drains or in the yard could signal a full or failing septic tank.
- Backup or Overflow: Wastewater backing up into sinks, toilets, or pooling in the yard is a clear indication of a full septic tank.
- Lush Grass or Algal Blooms: Unusually vibrant patches of grass or excessive plant growth may indicate septic tank issues.
- Gurgling Sounds: Gurgling or bubbling noises from drains may suggest a full septic tank affecting the drainage system.
- Sewage Backup in Appliances: Sewage backing up into the washing machine or dishwasher while in use points to a full septic tank.
When Should I Get My Toilet Pumped?
Regular pumping of portable toilets is essential for cleanliness and functionality. Pumping should be scheduled when the toilet is around 75% full or as per specific requirements.
When Should I Get My Trailer Pumped?
The frequency of pumping depends on factors such as usage, size of the trailer, and the number of occupants. As a general guideline, it is advisable to pump the trailer when the holding tank reaches approximately 75% capacity.
Say goodbye to tank troubles. Call us at 206-397-0336 and let our experts take care of the pumping process.
What Materials Should Not Enter Your Tanks?
Please note that our pumping service is exclusively dedicated to sewage, wastewater, and black and gray water. We kindly request that you refrain from disposing of items such as clothes, wipes, bottles/cans, paint, grease, rocks, and any other non-liquid waste.
Tank Pumping Services in Seattle
Green Latrine provides convenient pumping services for holding tanks, trailers, and client-owned portable toilets in Seattle, Bellevue, Tacoma, and Everett, covering King, Pierce, and Snohomish counties. Our team of experts will handle all the necessary tasks, ensuring you have a hassle-free experience. Sit back, relax, and leave the dirty work to us. We’ll take care of everything, so you don’t have to lift a finger.

How Long Does The Pumping Usually Take?
The duration of the pumping process can vary depending on several factors, such as the size of the holding tank, the volume of waste to be pumped, and the specific equipment used. However, as a general guideline, the pumping process for holding tanks typically takes around 15 to 30 minutes.
How to Prepare for Getting My Tank Pumped?
- Access Point: Locate and clear the tank’s access point, ensuring it is free from debris or obstructions. To effectively access the tank, we require a minimum access point diameter of 2 inches.
- Clear the Area: Remove any items or vegetation covering the access point and provide a clear pathway for our team. We need to be able to pull our truck within 25 feet of the tanks entrance.
- Contact Us: Inform us about any access issues or specific instructions regarding the tank location.
- Secure Pets: Ensure that pets are safely restrained or kept away from the work area during our visit.
- Minimize Water Usage: On the day of service, limit water usage to prevent overloading the system.
By completing these tasks, you will help us provide a smooth and efficient service for your tanks. Feel free to contact us at 206-397-0336 if you have any questions or require further assistance.
What Happens to The Waste That Is Pumped Out of The Tank?
The waste pumped out of the septic tank is transported to a designated facility in Seattle for treatment and disposal. The facility employs processes that comply with regulations, ensuring the safe and responsible handling of the waste.
Other Products and Services we Offer
We provide comprehensive pumping services for various tanks. Our expertise extends to RV pumping, standard restrooms and luxury portable restrooms. Our experienced team is ready to meet your specific pumping needs.

Tank Pump Out Cost
For tank pumping, trailer pumping, and client-owned toilet pumping, please contact us at 206-397-0336. We will provide you with a transparent price over the phone, ensuring no up-charges or unexpected surprises on your bill. Once we establish the location of your tank, trailer, or client-owned toilet, we can determine the cost of pumping services.
Are There Any Additional Fees to Get Your Tank Pumped?
No, there are no additional fees when getting your tank pumped with us. The price we provide includes all costs, and there are no hidden charges or unexpected expenses. We believe in transparency, and the price we give you is the final price you can expect to pay for the pumping service. Call us at 206-397-0336 for a quote!
Why Get Your Tank Pumped By Green Latrine?
As a family-owned business, we prioritize reliable septic pumping services to maintain the cleanliness and convenience of your septic system. Our commitment to consistent and trustworthy service extends to our septic pumping operations.
We are dedicated to eco-conscious practices throughout our company. When it comes to septic pumping, we use low-emission vehicles and ensure the environmentally friendly disposal of all liquid waste. Choosing our septic pumping services means making a responsible choice for the environment.
As Seattle’s top-rated provider of dependable septic servicing, we take immense pride in our reputation. Earning your trust and satisfaction is our utmost priority, and we are grateful for the opportunity to serve you with the highest level of pumping expertise.

Contact Us
Contact us today at 206-397-0336 to schedule an appointment. Our expert team is here to provide you with top-rated service and ensure the cleanliness and functionality of your septic, holding, or waste water tanks.