Sump pump dumping water back near the foundation
A faulty drainage setup often causes the sump pump output to dump most of its water right back into the perimeter drain near the foundation. This flaw results in a constantly cycling pump that slams loudly every sixty seconds and leaves renters dealing with unmanaged runoff and roof ponding.
What the numbers show
Counted from the threads quoted below. How we count
- Most of it landed at once — the busiest month was September 2026, with 14 people.
- This comes up 18.4× more often in r/Landscaping than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1trying to get the landlord to install a quiet check valveDid this help you?
- 2adding a couple of pieces of pipe or a long hose to redirect water away from the propertyDid this help you?
- 3Lowering the fasciaDid this help you?
- 4Using a tile fillet pieceDid this help you?
- 5Building it up with batten and a cutting of sarken/osb to give it a runDid this help you?
- 6leaving weeds to grow instead of fighting themDid this help you?
- 7accepting a mix of weeds and grass as long as it stays greenDid this help you?
- 8doing minimal maintenance like weed and feed and overseedingDid this help you?
- 9leaving it and letting it beDid this help you?
- 10Placing rubber duckies in the waterDid this help you?
- 11Installing a new French drainDid this help you?
- 12Digging out native clay soils and replacing with a compost and topsoil mixDid this help you?
- 13Consulting a landscape professional or real estate lawyerDid this help you?
- 14Hiring contractors or engineers to assess the damageDid this help you?
- 15Contacting the municipal stormwater management division or local authoritiesDid this help you?
- 16Checking foundations and basements for leaksDid this help you?
- 17Regrading the yard with brought-in soilDid this help you?
- 18Planning to propose a DIY solution to the landlord and cover the expenses out of pocketDid this help you?
- 19Squeegeeing accumulated water toward the floor drainDid this help you?
- 20Clearing out neglected gutters and extending downspoutsDid this help you?
- 21Running a dehumidifier continuouslyDid this help you?
- 22Cut the shelf to make room for the pipingDid this help you?
- 23Replace the cabinet with a different oneDid this help you?
- 24Open the wall to adjust drain height or add an AAVDid this help you?
- 25relying on property owners of nodes to allow volunteer maintenanceDid this help you?
- 26frequent catch basin clean out to ensure solids do not enter the CMPDid this help you?
- 27Lifting the turf and spreading bags of washed sand to fill low spots and improve drainageDid this help you?
- 28Re-grading the underlying dirtDid this help you?
- 29Build a bigger leech fieldDid this help you?
- 30Submit requests for a variance from codeDid this help you?
- 31Use a bio-swale or subsurface dischargeDid this help you?
- 32Routing the drainage pipe to the middle of the yardDid this help you?
- 33Using a small pump, hose, and extension cord to manually pump water from the yard to the street when it rainsDid this help you?
- 34Daylighting the pipe near the edge of the front yard onto the sidewalkDid this help you?
- 35Creating a dry well in the front yardDid this help you?
- 36Cutting the angular grate off and reattaching it closer to the sidewalk, creating a gravel pitDid this help you?
- 37trying to manually regrade the soil oneselfDid this help you?
- 38reading beginner lawn care guidesDid this help you?
- 39Filling the area back in with a grade, top it with gravel and rip rapDid this help you?
- 40Burying a large plastic garbage can filled with gravel and holes to act as a dry wellDid this help you?
- 41Attaching more PVC to extend the drain to a desired locationDid this help you?
- 42Consulting with contractors to discuss drainage, sump pumps, and encapsulation optionsDid this help you?
- 43Relying on a floor vapor coverDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“Bought the house 2 months ago and the backyard is like 90% dirt. Fast forward to today and we get a flash rainstorm. Previous owners put in a French drain to the right of the back porch but it clearly doesn’t do anything nor is it even in a good spot.”source ↗
“So we have a contractor coming tomorrow, this is her first home and the first big rain she has received. She’s worried about sinkholes etc.”source ↗
“I’d also add to thoroughly check the foundation and basement or any crawl spaces to look for leaks or significant erosion to see if that needs to be addressed as well.”source ↗
“We got a ton of water very quickly and it overwhelmed all the regular drainage routes but if we get a heavy normal rain it’ll pool sometimes so something has to be done regardless”source ↗
“As a new homeowner, I’d be asking whether this was disclosed during the sale. Water pooling under the deck plus a new hole appearing after rain sounds less like bad luck and more like a drainage problem someone hoped would become your problem.”source ↗
“Based on slope of pipe and existing site elevations, the SJC/PVB threshold for solids in the CMP is 0%. We are currently at 25% solids inside the pipe.”source ↗
“Failure by the HOA and property management company to maintain the catch basins at the two weirs for the past 45 years has exacerbated the solids buildup in the CMP.”source ↗
“Are there any long term implications of doing this?”source ↗
“Not sure if it's worth the extra $600 for an extra 20 ft of drainage to the street.”source ↗
“I have an area where my sump pump discharges, It’s the 1.5” PVC. Area has long been a problem.”source ↗
“The area does not drain great for various reasons I think.”source ↗
“Bringing in a machine and redoing all the drainage is not an option right now.”source ↗
“The lawn stays soggy for days, and the spot where we currently keep our BBQs (visible in the photos) gets completely flooded.”source ↗
“I'm renting and don't want to invest a ton of money into this, but I also want to be able to use the backyard. Even when the puddles visibly vanish, the turf is always wet.”source ↗
“Home Depot's "how much gravel do you need" estimator told me I would need to spend $1700 on crushed rocks. I'm looking for more of a $100 improvment.”source ↗
“it was raining on moving day and we immediately noticed the incredibly loud check valve slamming/hammer on the sump pump that was running exactly every 60 seconds”source ↗
“i looked around the next morning and found what looks like the sump pump output dumping 95% of the water back into the perimeter drain”source ↗
“i'm already trying to get the landlord to install a quiet check valve. but this drainage setup badly needs redirecting, right?”source ↗
“Step in mud, or don't step in mud.”source ↗
“I have a dog in a small yard. Anything is better than mud.”source ↗
“Just anything growing in the nasty clay muck is better than dealing with the mess that happens the odd time it decides to rain.”source ↗
“I just can’t imagine a muddy backyard irregardless of what is growing back there.”source ↗
“my most concerning issue is that the lawn is graded toward the house.”source ↗
“I keep trying to regrade myself but end up leaving holes everywhere on the lawn and I’m feeling so overwhelmed.”source ↗
“It rained today and water pooled in the soil near the foundation.”source ↗
“Spent an hour trying to regrade and I’m doing a terrible job.”source ↗
“I just got the house so funds are limited.”source ↗
“Whenever we get a lot of rain in a short period of time, this is what will happen. If the rain keeps going, then I will have A LOT of water down in the entire basement that I will have to squeegee all of it towards the floor drain and let dry.”source ↗
“Also, is there a cheap and easy fix I can do to where the floor meets the wall in the basement and I can make it water proof?”source ↗
“I do notice during heavy rain fall, the water fall down from certain parts of the gutter above and leaves deep puddles in certain spots.”source ↗
“Before we spend a lot of money will someone please advise if they know anything about crawlspaces/sump pumps?”source ↗
“before we spend a large chunk of our savings do sump pumps actually prevent a house flood? Or a creek overflow?”source ↗
“My main reason for the drain is the area behind my house gets flooded when it rains.”source ↗
“The new vanity has a shelf right at drain level.”source ↗
“Is there any possible way to correctly install the p-trap without cutting my shelf?”source ↗
“For the pressure relief valve I understand it should go to a floor drain but there is none in that area and is on a concrete slab.”source ↗
“I don’t want to saturate my leech field.”source ↗
“The primary problem is when the pipe comes out from under the sidewalk, it is *lower* than street level. With my solution, I have unintentionally began collecting some of the storm gutter drainage from the street.”source ↗