Septic tank pumping companies · Montgomery County
Listings last refreshed October 16, 2026
2 Best Septic Tank Pumping Companies in Willis [2026 Update]
2 septic tank pumping companies in Willis, ranked by Pump Score using Google reviews and profile data.
✓ How we rankFree directory, no pay-to-rank
Septic tank pumping Willis TX is a job most homeowners need once every few years, and this page covers the companies that handle it in town, what the work involves, and what it typically costs. If you searched for septic tank pumping willis tx, you are probably trying to answer three questions: who can come out, what it will cost, and how soon they can get there. Willis sits in Montgomery County, and the right answers depend on your tank size, how the system is built, and how much notice you give.
Top Rated Septic Tank Pumping Companies in Willis Compared
Compare the top picks side by side. Full write-ups follow below.
| # | Septic Company | Best for | Score | Rating | Verified |
|---|---|---|---|---|---|
| #1 | Wastewater Services | Saturday appointments | 4.0 | 10 reviews | — |
| #2 | Septico | A local septic company you can call direct | 1.5 | 1 reviews | — |
Willis Septic Tank Pumping Reviews and Ratings
1. Wastewater Services
Best for: Saturday appointments
17629 Carroll Ln10 reviews
Score breakdown and details
- Location
- Willis · 17629 Carroll Ln, Willis, TX 77378
- Track record
- Growing review base
- Rating
- 10 Google reviews
- Profile
- Unclaimed listing (Google data)
- Today
- See hours on profile
Strengths
- Direct phone number published, no lead form in the way
- Opening hours published
- Open on Saturdays
Watch Out For
No website listed, so confirm services, trade body membership and insurance by phone.
Our take: Our top pick in this area. A Pump Score of 4/10 reflects the best combination of rating, review depth and profile completeness here.
2. Septico
Best for: A local septic company you can call direct
305 N Thomason St1 reviews
Score breakdown and details
- Location
- Willis · 305 N Thomason St, Willis, TX 77378
- Track record
- New or lightly reviewed
- Rating
- 1 Google reviews
- Profile
- Unclaimed listing (Google data)
- Today
- Hours not published
Strengths
- Direct phone number published, no lead form in the way
Watch Out For
Only 1 reviews so far, so the rating could still move. Worth asking about experience.
Our take: A strong shortlist option with a Pump Score of 1.5/10. Compare availability and price against the septic companies above.
Hiring Local Septic Tank Pumping in Willis
The directory currently lists two septic companies with Willis addresses, both in ZIP code 77378, with 11 Google reviews between them. That is a small field, so the choice is simpler than in a large city, but it still pays to compare hours, review counts and the kind of work each business describes. Below you will find the ranked listings, a guide to how often tanks need pumping, the warning signs homeowners tend to miss, and a plain explanation of what happens during a visit.
Prices on this page are guide ranges, not quotes. Ask each company for a written price before any work starts, and confirm what the base price includes.
Who Pumps Septic Tanks in Willis, TX Today
The directory lists two septic companies based in Willis. Wastewater Services has the larger review count, with 10 Google reviews, and its office is at 17629 Carroll Ln. Septico, at 305 N Thomason St, has one review. Both use the 77378 ZIP code, and both phone numbers appear on their listings.
Review counts are a rough signal only. A business with one review may still do good work, but you have less to judge it by. Call both companies, ask who will actually arrive at your property, and ask how they plan to locate and open the tank. Those answers will tell you more than any ranking.
If you have only one company nearby, it is still worth getting a second opinion on timing and price. Ask both businesses the same questions so you can compare answers directly rather than comparing memories of two phone calls.
How Often a Willis Septic Tank Needs Pumping
Most household septic systems need pumping every 3 to 5 years. The right interval depends on how much wastewater enters the tank and how quickly solids build up. A tank that serves a large household or a home with a garbage disposal may fill faster than one used by a couple who run few loads of laundry each week.
Ask the technician to measure the sludge and scum layers during service. If solids are close to the outlet, the tank is due for pumping even if the calendar says otherwise. Keep a written record of each pumping date so you know when the next one is due.
- Household size and daily water use
- Tank size, such as a 1,000 gallon tank or a larger unit
- Whether a garbage disposal is in regular use
- Solids level measured during an inspection
- Age of the system and any past backups or slow drains
Signs a Full Septic Tank Is Causing Trouble in Your House
Warning signs often show up inside the house first. Slow drains, gurgling pipes and toilets that need a second flush are common early symptoms. When the tank is nearly full, wastewater has less room to settle and separate, so it can back up into the lowest drains in the home, such as a tub or shower on the ground floor.
Outdoors, the signs are easier to miss. Wet or spongy ground over the drain field, a strong sewage odor near the tank, or grass that stays unusually green in a stripe over the lines can all point to a problem. Standing water over the drain field is never normal, even during a dry spell.
Inside the House
Watch for toilets that gurgle when another fixture drains, and for water that rises in the tub after you flush. Either one means the tank or the line leaving it needs attention.
Outside in the Yard
Check the area over the tank and drain field after heavy rain. Soft ground, bright green patches and a sewage smell are reasons to call a professional rather than wait for the next scheduled pumping.
What a Pumping Visit in Willis Usually Involves
A standard visit is straightforward, but a few steps can take longer than expected, especially when the tank lid is buried. Knowing the sequence helps you ask the right questions when you book and when the crew arrives.
- Locate and uncover the lidMany tanks are buried under soil or landscaping. The crew finds the access points, clears them and removes the lid so the tank can be reached. Uncovering can add a separate fee, so ask about it upfront.
- Pump out the contentsA vacuum truck removes the liquid and solids from the tank. The technician watches for the point where the tank is empty and no more material is coming through.
- Inspect the tank and its partsThe technician checks the baffles, the inlet and outlet tees, and any effluent filter. Cracks, collapsed baffles or a clogged outlet are noted so you can plan repairs.
- Review findings and next stepsBefore leaving, ask for a clear summary of what was found, when the next pumping is due, and whether anything needs repair. A written note is the most useful record to keep with your home papers.
Comparing the Two Willis Listings Side by Side
The table below shows the details listed for each Willis company. Use it as a starting point for your calls, not as the final word on quality. Hours and review counts can change, so confirm them directly with the business before you schedule a visit.
| Business | Address | ZIP | Phone | Google Reviews | Listed Open Days |
|---|---|---|---|---|---|
| Wastewater Services | 17629 Carroll Ln, Willis | 77378 | (936) 856-1663 | 10 | Monday to Saturday |
| Septico | 305 N Thomason St, Willis | 77378 | (936) 672-1600 | 1 | Not listed |
What Not to Flush or Pour Down Your Drains
Many of the fastest ways to damage a septic system happen at the kitchen sink and bathroom. Anything that does not break down in water can build up in the tank, and some household products can kill the bacteria that treat wastewater. Keep these items out of the drains, even if the package says they are safe to flush.
- Wipes, including those labeled flushable
- Cooking grease, oil and fat
- Coffee grounds and large amounts of food scraps
- Diapers, feminine products and cat litter
- Chemical drain cleaners that are used often
- Paint, thinner, solvents and motor oil
Maintaining Your Septic System Between Pumpings
Pumping is only part of keeping a septic system healthy. Spreading laundry across the week instead of running several loads in one day gives the tank and drain field time to handle the flow. Fix leaking faucets and running toilets, since a steady trickle adds water to the system all day.
Keep vehicles, heavy equipment and new construction off the drain field. Compacted soil can damage the lines underneath. Plant only grass over the field, because tree roots can reach into pipes and cause slow drains or breaks.
If your home has an aerobic system, follow the manufacturer schedule and any service agreement you signed. Those systems rely on regular checks of their moving parts, so skipping service can lead to failure sooner than a conventional tank would.
