A wet basement floor on a spring Saturday morning kicked off what turned into a year-long, multi-front overhaul of the sump pump and drainage system. The failed pump was just the visible symptom — the real culprits were a tree root at the curb, a snapped 90 behind the back gutter, and five or six more feet of roots in the front pipe nobody had any reason to suspect. By spring 2026 the whole system was finally running clean from gutter to street, and a duct-tape repair on the discharge pipe is somehow still going strong.
The situation#
April 2025. Saturday morning started like every other — coffee, feed the cat, the usual routine. Then I noticed something different at the bottom of the basement stairs: the floor was wet. Down to investigate. Water was spread across most of the floor — not deep, but everywhere. The sump pit was nearly full to the top, but interestingly, the area immediately around the pit was dry. The pump had failed overnight during a heavy rain, the water table had risen above the slab, and water was coming up through the seam between the wall blocks and the floor, and through cracks in the slab itself.
Sump Replacement#
First priority was the water. My arcade cabinet was sitting on a soaked rug and particle board — water and arcade cabinets do not mix. I slid some boards under it and lifted it off the wet floor before anything could wick up into the bottom. (Later, I built it a proper platform — two 1x4s cut to the length of the cabinet’s sides, corners rounded, painted black and clear-coated. It’ll never sit directly on a rug again.) Sweetie brought her steam cleaner over for the rug, I ran a floor fan in the wet areas, and a cheap Harbor Freight pump worked the pit into the utility sink for a couple of hours — with cool-down breaks so I wouldn’t burn the motor.
By early afternoon I was on to the pump itself. The old one was probably original to the house, covered in slime, gross to pull — but once past that, the swap went fine. With the new pump cycling, I noticed it was running more often than it should. There had to be more to the story.
Outside, where the pump discharge fed into the drain line, the pipe had dropped a bit, and the outflow was splashing instead of fully making it to the street. By now it was evening and still raining. Sweetie suggested duct tape. I had my doubts — figured it’d just get wet and fall off — but I know not to argue. She wrapped it tight all the way around the joint. More than a year later, that duct tape is still holding.
Unblock the Drain Pipe#
The bigger question: was the water actually reaching the curb? It wasn’t. Blockage somewhere. The next day I picked up a heavy-duty 50-foot drain snake and worked it from the curb. It took a lot of ramming before I broke through, and when I did, muddy water came running out — both signals that there was more in there than a normal clog. The flow was at least a trickle now, but I knew this wasn’t the end of it.
Probe Camera and Dig Prep#
I ordered an inexpensive probe camera — about $120, not the easiest thing to use, but good enough. It showed an obstruction near the sidewalk, possibly right underneath it. From the camera length I could approximate where to dig. Before breaking ground, I called in a Call Before You Dig request to get the utilities marked. I figured I was probably safe in that spot, but I wanted to be sure.
The Dig#
Once the marks were down, I dug to the pipe — and there was the cause: a tree root had grown through the joint at the sidewalk and was strangling the pipe. Branch cutters made short work of it, and the flow opened up further.
On the Back Burner#
Re-probing the camera showed the front line still wasn’t perfectly clear, but a few weeks had gone by, the rainy spring was passing, and water was flowing well enough. The job went on the back burner for the summer.
Through the warm months I kept watching. In a heavy rain, my neighbor’s sump was forcefully throwing water into the curb; mine was a steady light stream. The side yard would still saturate during big storms, and during one fall rain I watched the side-yard water level rise right after my sump cycled and then settle back down. That told me there had to be another breach upstream of where my 50-foot snake could reach — somewhere between the back gutter and the sump junction.
Reopening at the Back Gutter#
I let it sit through winter. Come spring 2026, with the rainy season closing in again, it was time. Before hiring a company and spending thousands, I wanted one more look. The first warm sunny day, we pulled the back gutter away from the wall and cameraed down. Blockage only about a foot in. Time to dig. After a brief excavation, the answer was obvious: the pipe was completely snapped at the 90-degree turn. Hose-tested through the break and saw flow to the street — not heavy, but flow.
The Front Pipe#
I knew there was unfinished business in the front too. Time to cut and look. After two trips to two different Lowe’s, we had a matching 90, Fernco connectors, and replacement drainage PVC ready to go. Out came the Sawzall on the front pipe. The blockage was right there in the cut. Sweetie gave a tug on a root, and it kept coming, and coming, and coming — five or six feet of roots came out of that pipe. No wonder there had never been a clean flow.
Replacing the front section took a few cuts to get a clean square lip on the existing pipe, but it went in without too much trouble. For the broken 90 in the back, I cut back to good pipe, used Fernco connectors to splice, primed and glued in a new 90, and tied it all together. End-to-end, the whole run was finally clean.
What surprised me#
Two things. First, the sheer volume of roots inside the front pipe — five or six feet pulling out one continuous strand, like a magic-trick handkerchief. The pipe had been passing some water all along, but barely. Second, the scope of the problem itself. What presented as a failed pump was actually three separate failures stacked on top of each other: the dropped discharge connection, the root at the curb, and the snapped 90 with another root colony upstream of it. Fix the visible one and the system still doesn’t really work.
And the duct tape. I’d have bet against it lasting the night. A year on, it’s still doing its job.
Result#
A coordinated phone test sealed it — I dumped water into the sump pit while Sweetie stood at the curb and confirmed strong flow on the other end. I left the trenches open for a few days as a final check, then filled them in and seeded. Getting the dirt back to a flat top was a little tricky; saturating the ground and stamping in the mud got it close.
The system is performing the way it was supposed to all along. The sump still runs in a heavy rain, but a fraction as often as it used to — because now the water is actually going somewhere. Sump line, back gutter, front porch gutter, and curb discharge all run cleanly. Confidence is high that we caught it all. Probably thousands saved versus hiring it out.
Takeaways#
- A cheap probe camera ($120, awkward to use) is worth it. It pointed me exactly where to dig — both at the curb and behind the back gutter — instead of trenching the whole yard on a hunch.
- Stage your replacement parts before you cut into a working drain. The Sawzall doesn’t come out until the matching 90, Fernco connectors, and PVC are sitting right there ready to go in.
- Use your neighbor’s sump discharge as a benchmark. If theirs is throwing a strong stream into the curb during a big rain and yours is barely dribbling, the difference is in your line — not the pump.
- Don’t dismiss spousal duct tape. Sweetie’s “temporary” wrap on the dropped discharge joint is still holding a year later, despite my initial doubts. It’ll need a proper fix eventually — but for now, it’s still on the pipe doing its job.