Arrow Septic Design


Here to meet your septic design needs with prompt, friendly, professional service!

It’s time to move your project forward


Streamline your project with a team that has over 40+ years of experience in Mason County.

Quality Driven

We have experience producing economical quality designs that meet our client’s needs and all current state and local regulations.

Family Focused

We are a second-generation local company with strong community ties, dedicated to long term relationships.

Septic Design Mason County

Your #1 for Choice Septic Design in Mason County.

We help you through the entire septic process, including:

Site Layout

Septic Design

Permit Approval

Referrals to Professional Service Providers

Referrals to Certified Septic Installers

How To Work With Us

1. Fill Out New Project Check List

Your project checklist will streamline your project and maximize our discovery call.

2. Phone Consultation

We focus 100% of our phone consultations on your questions and make sure your project needs are met.

3. Start Project

Move your project from theoretical to physical.

What People Are Saying About Arrow Septic Designs

"To flush or not to flush, that is the question!"

- Paula J, Owner

"Paula is fantastic! Her professionalism and communication is top-notch! I highly recommend her for your septic design needs. She has done two designs for me in the last 4 years. Both ended up saving me money since we were able to do a more traditional system vs the high maintenance/expensive systems that are out there."

Joy Mutoli

I consulted with Neighbors who had Septic Systems installed in the last few years. Arrow Septic Designs kept coming up as the place to call. I spoke with Paula and felt from initial conversations that she would do a great job.
I am happy to say working with Paula was fantastic. She spent the time needed to understand my construction build to design the best Septic Solution for my needs. Paula is responsive to questions via email, text, and phone.
I had Paula handle all the permit and design submissions for me and she kept me up to date on the status of the permit approval process and all the way through the "As-Built" Submission.
I would recommend Paula and Arrow Septic Designs for your Septic System needs.
Jeff Schaller

Our Blog

What is under that lid in my yard?

What is under that lid in my yard?

I was on a jobsite the other day, nearing the completion of a septic system installation and it occurred to me that although I see this kind of thing often, other people may be curious about what is under those green lids in their yard...septic tanks!  This is a small...

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All septic systems need maintenance

All septic systems need maintenance

Alright, so I'm always advising other people to get their septic tanks, not wanting to be a hypocrite, I got mine pumped today. ? Thank you Darin at Royal Flush Septic Pumping for doing a great job!  

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Let's start on your design today!

Don't delay