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  • Verified reviews icon403
    Verified french drain services reviews

Top-Rated French drain pros in Pharr - Updated Nov 2026

Avatar for Farrell Plumbing & Cooling, Inc.
Farrell Plumbing & Cooling, Inc.
4.1(
110
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate

Serving Pharr, TX and surrounding areas

Approved

In business since 1978

Free estimates

Emergency services offered

"3/14/2020 My elderly parents live with me - both have health issues. We had an emergency where water was spewing from a pump outside. Even though it was Sunday, Farrell Plumbing had someone come over and were quick to fix the problem. I was really appreciative of their response, professionalism and their fair price. I was very glad they could come and help us out. I don't know what I would have done if we didn't have running water with everything going on at the moment."
Chuck E. Cheese water heater replacement
Response time3 hrs
24 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Delco Irrigation Sprinkler System, LLC
Delco Irrigation Sprinkler System, LLC
5.0(
1
)
Yard Drainage

Serving Pharr, TX and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

We provide results, not excuses! We pride our company on customer service, professionalism, great communication, efficiency, and superior quality work. We are experts in our trade and will do our best to keep you as educated as we can on your project. We offer free estimates and financing options. We look forward to earning your business! Feel free to give us a call today!

Starbucks
Starbucks
Starbucks
Starbucks
Starbucks

+61

Response time1 day
5 neighbors recently requested a quote
Lithium Lawn Co LLC
New to Angi
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Pharr, TX and surrounding areas

Approved

​At Lithium Lawn Co LLC, we deliver crisp, reliable lawn care across McAllen and the Rio Grande Valley—without the noise, exhaust, or gas fumes. Using 100% commercial-grade, battery-powered equipment, we provide ultra-quiet, zero-emission mowing, trimming, and property maintenance. Whether you work from home, have young children, or simply prefer a quiet morning, we keep your lawn looking sharp with professional, hassle-free service.

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French Drains FAQs, answered by experts

You’ll need to stop or pause the machine using its control panel to start the draining process mid-cycle. Remove the items inside, turn off the power to the machine, and then follow the steps above to drain the machine manually.

No, you should avoid using liquid drain cleaners. These chemicals, often packed with sulfuric or hydrochloric acid, can wreak havoc on your pipes, causing erosion and potential leaks. They’re also dangerous to your health. If you’re dealing with a stubborn clog, manual removal or a professional plumber is your best bet. Chemical drain cleaners can often make things worse, especially if the clog stays put and the chemicals linger in your pipes.

A saturated leach field can result from various underlying issues, so it's best to call a professional septic company to diagnose and treat the problem. Depending on the cause of the saturation, potential fixes include pumping out a full septic tank, adding more bacteria to the tank, or regrading the soil to fix low spots. It may also be necessary to reroute rainwater and runoff away from the leach field using gutters, downspouts, and extenders. Once the primary issue is resolved, planting specific types of vegetation over the area can help absorb excess water. In more severe cases, you might need to install a larger septic tank or replace the leach field entirely.

Sometimes, the drain is just too clogged—thanks, stubborn hair and soap scum. In this case, you’ll need a more powerful drain cleaner than you can DIY safely at home. But this doesn’t mean you have to choose a traditional drain cleaner. 

You can find biodegradable drain cleaners at your local home improvement store or online for those drains that need a little more oomph. 

While on the hunt for a formidable drain cleaner, the best options are non-chemical clog solutions that combine enzymes and bacteria.

Start by pouring hot—but not boiling—water down the drain. The heat of the water may be enough to break down the clog. You can also try ½ cup of dish soap or 1 cup each of white vinegar and baking soda. If you choose a chemical unclogging product, ensure it’s appropriate for toilets to avoid damage.

The Pharr, TX homeowners’ guide to french drain services

From average costs to expert advice, get all the answers you need to get your job done.