Reliable Septic Tank Pumping in Tri-Cities, WA When You Need It.

Experience expert septic tank pumping services with Ray's Twilight Septic. Our company works in Franklin, Benton and Walla Walla Counties.  

Ray's Twilight Septic Service Pumping Truck

Septic Tank Pumping and Essential Maintenance Services

Thank you for considering us to complete your septic services. We are a close-knit team based in Pasco, Washington, providing top-tier septic tank pumping, which is the cornerstone of our business. While we also specialize in the professional installation of septic tank risers, our primary goal is to deliver reliable and high-quality septic pumping to the Tri-Cities in Washington State.

Tri-Cities Septic Service company truck and driver

Easily schedule your septic tank pumping.

In order to help make your septic pumping as painless and easy to manage as possible, we have an online scheduling platform to schedule your next tank pump. You can schedule a septic pump anytime or just get a quote to see your price.

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On-Time Septic Tank Pumping with a Commitment to Preserving Your Yard's Integrity

Your property is our #1 priority when we complete your septic pumping maintenance.

Your home is our highest priority.

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When you call us to schedule your septic tank pumping, we won't leave ruts in your lawn or spill your septic all over your property.

Septic pumping is important to your tank's health.

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Regular septic pumping will help preserve the health of your septic tank. We take photos of the inside of your tank and keep records of it for you.

Numerous payment options are available.

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We now accept all major credit cards, and if you want, we'll remind you when your next septic tank pumping is coming up.

Septic Pumping Service Areas

Benton County Washington


Benton City

West Richland





Walla Walla County Washington

Walla Walla

Walla Walla East





College Place




Franklin County Washington




West Pasco


Basin City

We Love our Customers.

Dawna Shepard
March 14, 2024

I’m very satisfied with the service! The technician was very personable and informative about his job! I will definitely recommend the company to others!

February 14, 2024

Ray’s Twighlight service is the best because they’re always on time with a reminder and he reinstalled my baffles for me and did a great inspection and left my yard neat. Thanks for a great job.

Ela Selga
April 12, 2023

Was easy to get services for my septic system. Everyone I spoke to was nice and appreciate the appointment reminders. Pleasant surprise to get senior discount.

Maria McDaniel
April 6, 2023

Septic pumping and inspection.  Prompt professional service!  Have used Ray's in the past and will continue to in the future.

Thomas Shelton
March 8, 2023

I will definitely utilize twilight septic service again. The technician was very efficient and knowledgeable with regard to his work. Raul was very courteous as well.

Chris Feather
March 15, 2022

Was easy to get services for my septic system. Everyone I spoke to was nice and appreciate the appointment reminders. Pleasant surprise to get senior discount.

Dermott Murphy
January 18, 2022

Pump out and inspect septic tank, excellent customer service all round, and very professional , would recommend them to anybody. Thanks

Rick Montgomery
January 13, 2022

Contacted this company regarding the problem and they came out that same day and they resolved the problem addressed it and now I appreciate that they did that. They will be coming back out in a couple days to follow up on this problem and finish the job. I am glad that this was no worse than what it was it’s comforting they are on the case.

Mandy Cathey
December 28, 2021

Great service! They were able to come out the day after I called. Emptied our tanks, checked everything out, and provided great communication.

Patty Graybill
December 16, 2021

Called Ray's Twilight septic to come and clean my parents septic tanks. Not only was Melissa so kind & professional on phone, but she scheduled services right away. Dan came exactly on time. Pumped one septic and came back next day for second septic. He was also professional Would use this company again for sure 💯 Thanks Ray's Twilight!

Susan Steinbach
November 15, 2021

Dan was great in keeping me informed as when he was going to be here. Didn’t know there were 3 openings to the septic tank so will be able to show new buyers where they all are now. Was very informative about all the workings of my system. Did a great job and very efficient. Would highly recommend.

Bonnie Ellsworth
November 10, 2021

I just had regular septic tank service. Very friendly, professional, on time. In and out in an hour. They called before they headed out to give me an ETA and make sure I still wanted them to come out. They put back everything just the way it was. I would highly recommend them.

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