New well water smells

72supr

Member
I drilled a new well last fall. The cold water smells like sewer when you get a glass from the tap. The odor is gone if you let it set for ten seconds. The hot water is fine. The well we were getting water from for the last thirty five years that was dug in the twenties had no odor issues. Both wells are the same depth. Any answers would be of great help!
 
My boss had the same problem with his well so years ago. Turned out the driller hit a hydrogen sulphide pocket along with the water so we let the water run continuously for about two weeks and the smell disappeared.
 
When they drill a new well in our area they put chlorine tablets in it to purify it, maybe you could add one occasionally to get
rid of the smell. I have poured Clorox in wells to get rid of the smell, it works but it is corrosive, and it loosens scale that
can jamb a pump, I had that happen once.
 
My father in law had that problem, he said it was caused by iron sulphur. He put chlorine bleach in the well from time to time. It's called
shocking the well.
 
Friend of mine has the same problem and tried all the suggested cures with no results. He then built a system where air
is pumped thru a 40 gal. tank with a aquarium pump between the well and the house, no more smell.
 
I've heard of them installing a sulfur
dispersing tank. Basically the well water is
pumped into a stainless tank and sprayed
against the side allowing the sulfur to
escape. Then the water is pumped to the
house.
 

Any gas, oil or salt formations in the area ? How deep is the well?
The well's sulphur may fade a little with time and you may become somewhat used to it.
 
As others have said probably sulfur.
We lived in a place with a well like that for 10 years and it was no better or worse from the time we bought till we sold.
Pour a glass from the tap and it looked like soda pop for 10-15 seconds, as soon as the bubbles were gone the taste was fine.
Had the water tested by the health department when the children were born and other than being higher than normal for fluoride it was just fine.

If you want to check for high iron, fill up a white 5 gal pail with the water, dump in a tablespoon of bleach and let it sit overnight.
If your water is high in iron like our current well you will have a red sediment on the bottom come morning.
A softener does a good job of controlling this.
 
replaced tank with bladder tank, water started to smell - talk with some well people, said need to go back to my old tank with air valve, installed new glass line tank with air valve smell went away - don't know area you are located - this north of Houston, tx 60 miles
 
The well ran for a couple weeks straight. Put in tablets. No gas or oil around. Well is two hundred foot deep in sandstone. Water is clear just smells. I am running on different pressure tank than my old well. Maybe that is the problem. The old well had no smell. Located in middle of S. Dakota. Thanks for all replies.
 

Wells drilled into the bedrock often smell.
My neighbour's well is 360ft, about 260ft into the bedrock. Sulphur and iron, ick.
By good fortune the previous owner here was cheap on the well. They stopped at 99ft at the bedrock. The bottom 19ft is a gravel aquifer with flowing water.
 
In MT my well (at 500 feet) had natural gas in it. I had a 1000 galon tank vented to the out side to allow the gas to fiz
out. The well regulator was connected to a float valve in the tank we then pulled non gassy water from the bottom of that
tank and pressurized it to the house, and the neighbor who purchased water from me. I think an open to atmospheric air
pressure tank of 200 gallons, or smaller with an aquarium bubbler in it would work. Cheap experiments can be done before
setting up a permanent solution. Jim
 
(quoted from post at 13:02:43 03/20/16) The well ran for a couple weeks straight. Put in tablets. No gas or oil around. Well is two hundred foot deep in sandstone. Water is clear just smells. I am running on different pressure tank than my old well. Maybe that is the problem. The old well had no smell. Located in middle of S. Dakota. Thanks for all replies.
If you still have your old pressure tank around you could try it to see if it makes any difference.
We had an old style bladderless tank on the place I mentioned in my earlier post.
Makes me wonder now if it would have been any worse with a bladder style tank.
We never tried purging the gas out of the tank but it seemed at least once a year something blew apart or got left on and the well ran dry, and we would have to recharge the tank each time after this happened.
 
When degassed, the water had 2700ppm dissolved solids,mostly magnesium and calcium carbonates. it was not drinkable at all a quart, when evaporated away, left an eighth of an inch of powdery crystals in the jar. It was as salty as tears. We used reverse osmosis to refine it for drinking. It was radically soft and washed clothes well. It also was possibe to use it for eye wash. Jim
 
We had a tank like that when we lived in the St Cloud area, it was installed by Traut Wells to vent hydrogen gas. It worked well for the 27 years that we owned the house.
 

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