Questions tagged [drainage]

Use this tag when the topic is about controlling water runoff, particularly near structures but also in yards or elsewhere.

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2answers
59 views

Are there outward signs of a French drain?

I'm wondering whether my house has a French drain to keep water away from the foundation. Is there a way to find out that doesn't involve digging up the yard? (I.e., would there be any above-ground ...
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2answers
631 views

How should I put a gutter downspout on a corner of my house surrounded by pavement?

I'd like to install gutters on my house to direct water away from the foundation, but one front corner is surrounded by driveway on one side and a paved walkway on the other curving back to the front ...
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1answer
32 views

Proper Trap Diameter

My kitchen sink drains slowly even after I snaked it 20ft without hitting any consequential clogs. I'm thinking there could be a couple of issues: The trap diameter (2.5") is too wide for the inlet ...
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1answer
71 views

My mini fridge had a frosty back wall, so I turned it off for 24 hours. There was water on the floor through the back of the fridge, why it happened?

I know that there is a drain hole, and then that water is drained through it and then evaporated by the evaporator, and when the fridge does not work - nothing will evaporate the water. So does the ...
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4answers
92 views

How to fix drainage clog in the shower?

Drainage in my bathroom is keep getting clogged. I tried using a snake by drilling manually ... poured at least 4 cans of Drain clog remover on different time period... in the last 3 days.. however, ...
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1answer
924 views

Water Softener Drain Line with Loop - Flexible PVC to Sharkbite?

So, I bought a Genesis Revolution upflow water softener to install in my first house in Laveen AZ. We have a water softener loop already plumbed into the house. The airgap is in the laundry room ...
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1answer
39 views

Drainage area for a French drain

I have a muddy backyard that has minimal slope toward the back property line, and I'm considering installing a French drain to improve the situation. Is there a general rule as to how much area a ...
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0answers
41 views

Fence post behind retaining wall, drainage concern

I need to replace an old 2ft retaining wall(railroad ties) along my property line. There is not currently a fence there so I was going to take this project to add one. I am located in the PNW so there ...
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0answers
38 views

Proper grading around the foundation

I know that the moisture problem we have is being caused by positive drainage towards the house. I've seen recommendations for simply properly grading the soil (6 inch drop for every 10 feet) and ...
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3answers
110 views

How damaging can a 3 meter (10 feet) long drain hose be for the washing machine pump and microorganism growth?

I have two washing machines and they are placed one next to each other (this is the only way I can position them due to the space). The first one is connected to the drain pipe under the sink ...
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0answers
12 views

Is there any reference (or probably web/online calculator) to figure the size for downspout pipe for a known flow rate

The total flow rate of water collected by the gutter of my roof is known (50 L/minute). I need to figure the safe size for my downspout pipe for this roof. What's the minimum diameter for the ...
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0answers
33 views

Use cement blocks for egress window well surrounding [duplicate]

I need to make an egress window and the depth below grade is 24". However, most egress window wells at home improvement stores are 20" in height and I need to buy 2 of them which made the cost double....
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1answer
124 views

Is channel in basement standard design?

Determined this is a 4 inch slab on top of original slab. Possibly with internal drainage channels from center of basement to edge, where it runs to pictured channel and sump pump. House has channel ...
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4answers
177 views

Who should I call for a roof drain leak?

We have a balcony above our garage attached to the house, that is surrounded by 3 stucco walls and has a drain in the middle that leads into our garage. Example of random balcony with drain similar ...
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1answer
77 views

Should I fill my crawlspace drainage trenches before putting down a moisture barrier?

I recently purchased a house by Lake Erie which has a crawlspace foundation. There are existing drainage trenches throughout it dug into the hard clay, which all drains to a sump pump. These trenches ...
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4answers
8k views

How do I build a French drain?

There's a shed near the side of the house with a roof that's pitched to shoot water at the house's foundation. That side of the house also has no gutters. There's a very slight grade to send water ...
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2answers
1k views

Underground downspout pipe may be leaking

I have been getting more and more water in my basement in the last few years. Every time it snows and melts, water trickles in around one spot in the basement floor. I had someone come out to take a ...
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1answer
834 views

What is the minimum distance from property line water can be drained?

My city (Redmond, WA) enforces the 2015 International Residential Code, but I could not find any requirements around distances of downspout and/or sump pump drainage from property lines. Perhaps I'm ...
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1answer
50 views

Will a french drain help the runoff ditch in front of my house?

Like most rural yards I have a shallow runoff ditch between the road and my main yard. Over the whole 40 ft span the ground seems to slope in a consistent direction towards a larger common ditch/creek....
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3answers
1k views

Can this water damage be explained by lack of gutters and grading issues?

We are currently midway through a major renovation to an old house. Part of the renovation was digging out a new basement and adding a new foundation around it. The basement has a ceiling height of ...
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1answer
70 views

Moving wet appliances away from sink around kitchen L bend and past oven

I am renovating my kitchen so that I can introduce a dishwasher and extend my counter top. My kitchen is a small L shaped one, and in order to get everything I want in the design I need to move my wet ...
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1answer
78 views

Are gutters the only way to fix this ice accumulation issue?

Whenever it rains or snow melts in the winter these rain guards drop water right in front of the walkway which freezes and causes an ice mess. I am reluctant to add a gutter section because no other ...
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3answers
179 views

What kind of stone makes the most porous fill? (french drain)

I need to create some drainage in the form of some dry wells and french drains. What kind of stone will maximize the porosity to get good water flow? I originally thought just ordinary gravel, but a ...
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6answers
13k views

How can I thaw a frozen exterior drain quickly?

I have a driveway that is angled down slightly towards my house. About two feet before the garage there are two long drains that cover most of the drive way. Right now one is 100% frozen and the other ...
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1answer
267 views

Underground downspout extensions - Are pop up emitters needed?

To move rainwater further away from a foundation than the standard 2~3 foot above-ground downspout extensions, what are the underground options? Example of standard downspout extension: (Photo from ...
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4answers
1k views

Need advice to prevent runoff water from going into neighbor's yard

I'm looking for some advice on what I can do to prevent runoff water from going into my neighbor's yard. I am an auto detailer so I am constantly washing cars in my driveway. The neighbor also parks ...
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1answer
205 views

How prevent water drainage from neighbor's yard?

Most of our back/side yard is 3'-5' lower than our neighbors'.During winter rainstorms water drains under the fence from their barely landscaped yard and stands in low spots AND at our house slab. A ...
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1answer
246 views

Drainage on Pier and Beam House

We live in Argyle TX and have a 42 yr old pier and beam house sitting at the bottom of a hill. I have called several people out for professional help and they want $5000 to $7000 to regrade put in ...
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2answers
724 views

How can I increase deck board gap without removing the boards?

My friends just bought a new house that has a deck that has gone mossy/moldy. The sellers pressure washed the deck and replaced a few soft boards, but the real problem is that there isn’t enough gap ...
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3answers
2k views

Should my sump pail be perforated?

I'm replacing the sump basin/liner in my home which is currently a perforated 5 gallon bucket surrounded by gravel. I have an interior drain system that has two pipes terminating into the gravel pit ...
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0answers
961 views

extra pit next to sump pump

I have a basement with a properly installed sump pump. I have another hole approximately 1 foot away from the sump hole cut to the same dimensions. There are at least 2 pipes that run into the unused ...
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1answer
39 views

Nomenclature for water management objects

Building roofs and parking lots cause prevent rain from naturally entering the ground. A bird's eye view of a building shows a footprint where water can not drain into the ground and must drain into ...
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1answer
185 views

Does this basement pit drain into the soil or the sewer?

My house was built in 1940. I recently pulled up the floor and subfloor in the basement and noticed this basement pit. There was about 6 inches of water in the bottom which I drained. Below that is ...
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1answer
720 views

How can water be diverted away from the street curb in front of my house?

How can water be diverted away from the street curb in front of my house? Several of my neighbors are draining water from their sump pumps onto the road and it runs down the curb and collects in ...
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0answers
41 views

Calculate rainfall intensity

To help size drainage, I'd like to calculate the maximum rainfall intensity for my particular location. How do I do that? I've found data sources that will give me the average number of inches of ...
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5answers
75k views

Draining washing machine into yard

Short and sweet. First, we are on a septic tank. We are in Mississippi. We called a plumber to snake our drain on our washing machine because one load pours gallons of water onto the laundry room, ...
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2answers
535 views

Rain chains at an angle from the vertical

I'd like to hang a rain chain, but not quite vertical straight down -- at a slight angle from vertical. What angle from vertical can I hang the rain chains, and still have them work? Are there any ...
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2answers
93 views

Is it reasonable to convert a general purpose motor and pump for a sump pump?

TLDR: I have a 120V 1/4 HP general purpose motor with pump head attached (with female threaded connections for input and output). Could I keep this pump/motor above ground and run PVC from the pump ...
6
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2answers
600 views

How to pour a concrete walkway directly up to a T style foundation

This is a side cutaway drawing of an existing 1930's stucco wall, showing the stucco in red and the original foundation. There is no weep screed, and originally the stucco was troweled right up to ...
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9answers
141k views

How do I prevent water from collecting against side of house?

Our house has a concrete patio (I'd say about 12' x 10') in the back that is very slightly angled in so that rainfall can cause water to collect where the patio meets the back wall of the house. What ...
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2answers
552 views

Possible downsides of plugging up small hole in foundation?

I have found two small holes in the foundation, near the floor, in the cellar. Water trickles in through these two holes. I am thinking of plugging them up with spray foam. Are there any possible ...
2
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1answer
153 views

What purpose does this PVC pipe in my crawlspace serve?

I was cleaning the crawlspace under the house and discovered two 3/4 inch white PVC pipes that run across the crawlspace buried under ground (4-8 inch deep) and terminate at the perimeter foundation ...
2
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1answer
405 views

How can I prevent silt from clogging my yard drain?

In my concrete back patio, I have a standard 4" square drain cover which allows water to enter a sewer pipe about 6" below. The issue I have is that the sides of this hole are not covered in cement ...
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3answers
2k views

Can I run drainage pipe a short distance above the frost line

I live in SE Michigan where the frost line is between 3 and 4 feet. I have a house with a basement I'd like to finish and would like to run the water as far away from the house as I can. Clay soil. ...
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2answers
161k views

What is causing my kitchen drain to back up into my dishwasher?

I have tried vinegar and baking soda and a commercial cleaner. When I use the plunger the water in time will go down. What should I do first? Should I take my dishwasher apart or the attempt to clean ...
4
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2answers
6k views

Soil grade is above foundation

Our soil/landscaping grade is between about 4" and 8" above the foundation. I've read and been told that this is a problem. I believe the soil should be ~4" below the foundation line. We have a ...
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3answers
570 views

Managing water entry at garage door during high winds on rainy days

I have a garage floor that's level, and the driveway slopes very slightly away from the garage door. On rainy days, I don't have any issues with water entry, but on high-wind days, the rain hits the ...
2
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1answer
600 views

How can I prevent interior French Drain from further eroding soil under garage slab?

I have a home with a block wall foundation and adjacent garage (built on a slab) on the left side facing the house. The house sits on a grade with right side to left side drop of 3/4" to 1" per foot. ...
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1answer
138 views

Back Yard Hill Drainage Issues

My back yard slopes toward my house. Below is a picture taken from my dining room to help explain things. Previous owner had a french drain installed marked by the red lines. We've had a week or so ...
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1answer
76 views

Can I change the gradient/slope of asphalt walkway with cold patch?

I have a asphalt walk way that runs right next to my house and collects water. I have a outside sump pump near by, but there is a low spot on the asphalt next to the house that will always take water ...

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