The Right Way to Pump Your Septic Tank
August 20, 2025
Not all septic pumping is created equal. There’s a right way—and a wrong way—to pump out your septic tank. With HomeField Onsite Environmental, you can count on the job getting done right every time.
Start With the Right Access
The first rule of proper pumping? Always open the actual septic tank lids. We’re talking about the large manhole-style lids that give access to each compartment of your tank. These risers run 18 to 24 inches across and deliver full-service access.
Pumping through small ports or cleanouts might look easier, but it’s not effective. That shortcut leaves solids behind, and over time, that buildup leads to blockages, backups, and system failures. When you invest in pumping, expect it done properly—not just quickly.
One Compartment or Two?
Not every septic tank is the same. Older tanks may have just one compartment, while newer ones have two. Every compartment comes with a lid, and proper service means opening and pumping both.
Here’s a general timeline of what we usually see:
- Tanks from the 1960s–1970s often have a single large rectangular lid (sometimes called a coffin-style lid).
- Tanks from the 1970s–1990s usually have one round lid about 18 inches across.
- Tanks from the 1990s to now are typically two-compartment systems with two 24-inch lids—one over each side.
Understanding your tank’s layout means no guessing and complete, proper service for your system.
Consider Adding Risers
If your tank lids sit too deep, risers give you the access you need. These bring the lids up to the surface or just below, so the next time you need pumping or inspection, there’s no digging required. It makes maintenance easier, faster, and less expensive in the long run.
We install durable, UV-resistant risers that are properly sealed and built to last. They also give you a clear visual reminder of where your tank is and when it’s time for service.

Pumping Schedule Matters Too
Pumping works best when you focus on both the method and the timing. Most systems need service every 2–3 years, based on tank size and household use. Waiting too long between services allows solids to build up, which puts your system at risk.
Regular maintenance keeps things flowing, prevents damage, and extends the life of your entire system.
There’s no shortcut to doing it right. Pumping your septic tank the proper way takes more time and effort—but it protects your home, your wallet, and your peace of mind. We commit to doing it right every time at HomeField Onsite Environmental.
Heidi
Heidi is the marketing and business development powerhouse at HomeField Onsite Environmental. She’s all about bringing the onsite wastewater world to life with knowledge, humor, and straight-up valuable insights—helping customers make the best decisions for their systems!
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