due to heavy rains lately in Pacific Northwest I notice for first time that the junction between one of my downspouts and the 4 inch PVC pipe that drains the rainwater away spouts water onto my lawn - it looks like a natural spring!! The other downspout-4inch pvc pipes around the home function perfectly well.
I suspect the underground pipe is clogged and am tempted to rent a hand driven snake to unclog. Appreciate any thoughts anyone with similar experience may have had. thx bob
Start the cleaning process from the discharge end.
Depending on how long the pipe is, a shop vac might be helpful in removing the debris
Hand snake is gonna have a hard time with a clogged 4" line
Do oyu have good access to the discharge end? & good water pressure?
you could water water jet with with a length of 3/4" PVC & one of those garden hose mini fire hose nozzles
cheers Bob
Might be clogged with Douglas Fir needles at the junction. I know when I finally cleaned my problem gutter the downspout pipe looked like it had taken a crap. I had to manually remove a huge ball of needles from the exit before flow continued.
As above. Clean out what you can by hand and shop vac, etc. Then use the hose - biggest diameter you can get your hands on. Alternate with the hose wide open, or with a blaster nozzle ( File of any sharp corners so it won't catch on things.) Slide the hose in and out repeatedly, twisting it various ways, to thoroughly clean out the muck. It will flood out of the pipe until you finally get through or give up. On my house, I discovered that the drains went into a concrete sistern with an outlet pipe to the back yard. I did the same cleaning method to get that drain working.
Put some kind of screening into the gutters or downspouts to keep leaves and needles from washing underground.
Bob
a root system could have invaded a break in the underground line. keep an eye on the stuff that gets cleaned out to see what the blockage was made up of. try and mark where the hose gets stopped, by either markinmg the hose and measuring the it out after the hose gets pulled or marking the hose and laying the hose out on the surface covering the area of the run. if you have to dig this should hopefullu get you in the ballpark.
mike.............
That's very good advice
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