Waste Holding Tanks for RVs and Work Sites
Hemley’s Handy-Kan, a division of Hemley’s Septic Service, offers dependable waste holding tank rentals and servicing for RVs, trailers, mobile offices, and temporary sites across Kitsap, Mason, and Pierce counties. Our portable waste holding tanks are designed for easy connection and reliable containment of blackwater and graywater waste.
Whether you’re setting up at a construction site, operating a food truck, hosting a temporary event, or need additional waste capacity for an RV or trailer, our team ensures your site remains sanitary and worry-free. We will deliver, install, and maintain tanks as needed—on your schedule.
Call today to reserve a tank or schedule routine servicing.
The Importance of Proper Holding Tank Waste Management
Portable holding tanks are critical when traditional sewer connections aren’t available. Proper use, pumping, and maintenance help prevent unpleasant odors, backups, and health hazards, especially in high-traffic or long-term installations.
- Maintain sanitary site conditions
- Prevent overflows and odors
- Meet local code requirements
- Support remote and mobile sites
- Protect property and the environment
- Rent short- or long-term as needed
When Are RV Waste Holding Tanks Needed
RV and mobile-site holding tanks are a smart solution for various scenarios where conventional wastewater connections are unavailable or impractical. These tanks provide the flexibility and sanitation support needed for both short-term events and long-term site setups.

Construction Sites
For job sites using mobile office trailers or temporary living spaces, waste holding tanks are essential when a septic or sewer tie-in is unavailable. They ensure on-site workers have access to sanitary facilities and help maintain compliance with health and safety standards.
Remote Job Locations
In undeveloped or off-grid work areas, such as logging operations, utility installations, or rural infrastructure projects, holding tanks provide the necessary waste containment until service is available, ensuring teams can operate safely and efficiently.
Special Events
Fairs, festivals, weddings, and outdoor gatherings often rely on RVs, trailers, and portable toilets. Holding tanks are ideal for managing increased wastewater volumes, particularly at multi-day events or in locations without permanent sewer infrastructure.
Seasonal RV Hookups or Campsite
For vacation homes, campsites, or seasonal RV parking where permanent connections don’t exist, a holding tank provides a clean, reliable blackwater solution. It allows extended stays without requiring septic system installation.
Emergency Use
During plumbing failures, sewer outages, or natural disasters, holding tanks serve as a reliable backup, preventing sanitation issues and enabling continued facility use until regular systems are restored.
What’s Included in Our Service
We handle the entire process from delivery to disposal, making it easy for you to maintain a sanitary, compliant site. Whether you’re renting a tank for a construction trailer, an RV, or a remote jobsite, our team ensures everything runs smoothly. From initial placement to ongoing pump-outs, we offer full-service support tailored to your needs:
- Waste Holding Tank Rentals: 250-gallon low-profile tanks are available for daily, weekly, or long-term use. Easily tucked beneath construction trailers, RVs, and site structures.
- Installation and Connection: Our crew ensures correct tank placement and secure connection to your RV, trailer, or site facilities.
- Routine Servicing and Pumping: Scheduled pump-outs and sanitation to match usage demands and keep your site operating smoothly.
- Emergency Service Available: Prompt response for unexpected fill-ups or odor-related issues.
- Flexible Rental Terms: Options available to suit construction timelines, seasonal needs, or event durations.
Understanding the Cost of Waste Holding Tank Rentals
Pricing is based on tank quantity, rental duration, service frequency, and travel location. Whether you need a single unit or multiple tanks for a large worksite or event, our team will provide an upfront quote with no hidden fees. Renting a holding tank is a cost-effective alternative to installing permanent infrastructure—especially for temporary or seasonal use.
Why Choose Hemley’s and Handy-Kan?
With decades of experience and a reputation built on reliability, Hemley’s Septic and Handy-Kan deliver efficient, professional support for portable wastewater needs. We work with contractors, event coordinators, and property owners across Western Washington.
Hemley’s takes pride in our legacy of excellence, leading with integrity, knowledge, and a strong commitment to environmental responsibility and customer satisfaction. Armed with industry-leading tools and hands-on expertise, our certified technicians ensure your wastewater needs are serviced thoroughly and effectively.
- Fast, Friendly, Reliable
- Certified & Trained Techs
- Locally Owned Since 1962
- Licensed, Bonded, Insured
- Satisfaction Guaranteed
- Highly Competitive Rates
Keep Your Site Sanitary and Fully Operational
Sanitation issues are the last thing you want to deal with, whether you’re planning a large event, living in an RV, or running a remote job site. You can avoid unpleasant odors, backups, and operational shutdowns by securing the right equipment upfront. Our dependable waste holding tank rentals and consistent maintenance schedules ensure your site remains safe, compliant, and worry-free.
What Our Customers Are Saying
Casey Johnson01/05/2025Trustindex verifies that the original source of the review is Google. Awesome service and quick. Michael and Justin are great. Highly recommend! Stephen Broschart13/03/2025Trustindex verifies that the original source of the review is Google. Our septic pump tank high level started to alarm. Hemley's was quick to respond. I followed the work pretty closely which Al and his team did ... it was first rate ... knowledgeable, honest & expeditious. Turns out my 33 year old pump (pumping up 50 feet) was failing. Replaced the pump and all the other old components. While not cheap, it was necessary and leaves me with peace of mind. Francois Vigneron07/03/2025Trustindex verifies that the original source of the review is Google. Excellent experience with Hemley's service; very reliable and reputable company. Justin was very informative, professional and personable. Shawna Vose05/03/2025Trustindex verifies that the original source of the review is Google. Michel over at Hemley's is a trooper. We have a massive hill leading up to our septic tank and the poor guy had to walk up and down it several times. I did not hear him complain once, even though he had every right to. If you are in need of a pumping i definitely recommend Hemley's septic!! Tim Reid12/02/2025Trustindex verifies that the original source of the review is Google. Another Great year by the Hemley Team. We keep them year after year! Always on time with excellent equipment. We operate a seasonal business with a high use rate. Very clean equipment that is cleaned on the schedule we set up. Thanks again alisa perry26/11/2024Trustindex verifies that the original source of the review is Google. Thank you Hemley Septic! I'm so grateful you took over from a different local company and went above and beyond to respond quickly to both our situations. J was amazing both times and found a way to save us 600$. He was thorough, kind and efficient. Everyone I spoke to at Hemley was professional and wonderful. I will absolutely recommended this company to anyone I know. Bobby Glas21/11/2024Trustindex verifies that the original source of the review is Google. Jacob was a fantastic technician. He taught us exactly how our system works and found everything that previous companies missed or avoided. 100% recommend. JohnPaul Fortuna11/11/2024Trustindex verifies that the original source of the review is Google. Justin and Mickey were awesome! Quick and thorough and very professional!
Local Service. Family Values. Exceptional Results.
Serving Communities Across Kitsap, Mason, and Pierce Counties.
- DuPont
- Belfair
- Bremerton
- Fox Island
- Dewatto
- Kingston
- Gig Harbor
- Grapeview
- Port Orchard
- Lakebay
- Harstine Island
- Poulsbo
- Puyallup
- Tahuya
- Seabeck
- Tacoma
- Union
- Silverdale