How Often Should You Pump Your Septic Tank in the Fraser Valley?

If you live in a rural area or even certain neighborhoods of Chilliwack, Abbotsford, or Mission, there’s a good chance your home uses a septic system. These systems quietly manage all the wastewater from your home—but they don’t last forever without maintenance.

One of the most common questions we hear at Valley Septic is:
How often do I really need to pump my septic tank?
For most homes in the Fraser Valley, the answer is every three to five years—but that can vary depending on how you use your system.

Why Septic Pumping Is Essential

When you flush a toilet or run the washing machine, that water flows into your septic tank. The tank holds the water long enough for solids to settle at the bottom while liquids flow into the drain field. Over time, those solids build up. If they aren’t pumped out, they can overflow and clog your drain field—leading to major problems like slow drains, backups, foul smells, or even contaminated soil and water.

Regular septic pumping helps you avoid expensive repairs, health hazards, and potential environmental issues. In fact, the Fraser Valley Regional District recommends a proactive maintenance schedule to protect both your home and the surrounding environment.

What Affects Your Pumping Schedule?

Several factors influence how often you’ll need to pump:

• Household size plays a big role. A family of five produces more wastewater than a single person living alone, and your tank will fill faster.

• Water usage habits also matter. Long showers, heavy laundry use, and even garbage disposals increase the load on your system.

• Tank size is another consideration. A smaller tank serving a large household will need more frequent attention.

• What you flush has a huge impact. Flushing wipes, grease, or non-biodegradable materials can fill the tank faster and cause damage.

• Local soil and drainage can speed up or slow down how your system processes wastewater. In areas like Matsqui Prairie, clay-heavy soils can lead to more frequent problems.

What’s Typical for Fraser Valley Homes?

For an average single-family home in the Fraser Valley—let’s say three to four people living together—a three-year pumping schedule is usually ideal. Homes with fewer residents and more efficient water use may be able to go four or five years. But if your system is older, or your home is located in a low-lying or flood-prone area like Yarrow or Rosedale, it’s better to stay on the safe side.

If you’re not sure when your tank was last serviced, or if you just moved into a home with a septic system, booking an inspection is a good first step.

Warning Signs to Watch For

If your septic tank is overdue for a pump-out, you might start noticing the signs:

• Drains that empty slowly

• Gurgling sounds from toilets or pipes

• Sewage smells in the house or yard

• Pooling water near your drain field

If you’re seeing any of these, don’t wait. You could be one heavy rain away from a serious mess.

What Happens During a Pump-Out?

At Valley Septic, we handle everything from locating your tank (even if you’re not sure where it is) to safely removing solids and inspecting the system. A typical pump-out takes 30 to 60 minutes and doesn’t require us to enter your home.

We also measure sludge levels, check for cracks or damage, and let you know when you should schedule your next visit. It’s fast, clean, and simple—and it can save you thousands in the long run.

Local Knowledge Matters

In the Fraser Valley, septic systems are affected by unique environmental factors—like seasonal flooding in Hope, poor drainage in parts of Abbotsford, and rising groundwater levels throughout Mission and Chilliwack. That’s why it’s best to work with a local provider who understands the terrain.

We’ve worked on systems across Greendale to Deroche and everywhere in between. We know what to look for—and how to help.

Keep It Simple: Set a Schedule

Just like your car needs oil changes, your septic tank needs regular maintenance. A three- to five-year pumping cycle keeps everything working smoothly, avoids costly damage, and protects your property.

If you’re not sure when your tank was last pumped, give us a call at (604) 799-8640 or book online here. We’ll help you figure it out—so you don’t have to worry about what’s happening underground.