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Water softeners and septic tanks Javier 04-17-2007
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Posted by Javier on April 17, 2007, 11:04 am


I had a water softener at my previous house, where we had sewer service.
It was great.

We moved to a house with a septic tank not long ago, and I've been
wondering what the implications are of having the water softener
discharge the rinse water into the septic tank.

Good, bad, indifferent?

In case it matters, we're a family of two adults, two kids, and the
septic tank holds 1500 gallons. The leach field seems to be in good
shape, it was installed in 2002. The tank was pumped in late 2005, when
we bought the house.

Thanks.

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Posted by C & E on April 17, 2007, 7:48 pm


>I had a water softener at my previous house, where we had sewer service. It
>was great.
>
> We moved to a house with a septic tank not long ago, and I've been
> wondering what the implications are of having the water softener discharge
> the rinse water into the septic tank.
>
> Good, bad, indifferent?
>
> In case it matters, we're a family of two adults, two kids, and the septic
> tank holds 1500 gallons. The leach field seems to be in good shape, it was
> installed in 2002. The tank was pumped in late 2005, when we bought the
> house.
>
> Thanks

I don't believe that the .salts washed from the resin bed would be good for
the leach field - they would build up. I can't speak for your situation but
our softener had it's own drain line to a dry well where the water leached
into the subsoil (I was told by the previous owner). I verified this while
the septic tank was being pumped by manually cycling the softener. Nothing
went into the tank. You that might try the same to verify.



Posted by David Martel on April 18, 2007, 9:14 am


C&E,

You lost me. You fear the build up of salt at your leach field but think
that the build up of salt is ok at your drywell. Why is that?

Dave M.



Posted by Goedjn on April 18, 2007, 1:02 pm


wrote:

>>I had a water softener at my previous house, where we had sewer service. It
>>was great.
>>
>> We moved to a house with a septic tank not long ago, and I've been
>> wondering what the implications are of having the water softener discharge
>> the rinse water into the septic tank.
>>
>> Good, bad, indifferent?
>>
>> In case it matters, we're a family of two adults, two kids, and the septic
>> tank holds 1500 gallons. The leach field seems to be in good shape, it was
>> installed in 2002. The tank was pumped in late 2005, when we bought the
>> house.
>>
>> Thanks
>
>I don't believe that the .salts washed from the resin bed would be good for
>the leach field - they would build up. I can't speak for your situation but
>our softener had it's own drain line to a dry well where the water leached
>into the subsoil (I was told by the previous owner). I verified this while
>the septic tank was being pumped by manually cycling the softener. Nothing
>went into the tank. You that might try the same to verify.
>


Salt build-up won't hurt the leachfield any, but it might affect the
aquifer under it (if any) and/or anything growing over it.

On the oder hand, if you have anything with significant roots
growing into your leachfield, you probably WANT to kill it.



Posted by Jacque Asse on April 19, 2007, 4:37 pm


My experience thus far has been OK. No issue. My septic service (I get it
pumped every 18 - 24 months) sees no issue with the system. I have been on
my softener system for approx 5 years.


>I had a water softener at my previous house, where we had sewer service. It
>was great.
>
> We moved to a house with a septic tank not long ago, and I've been
> wondering what the implications are of having the water softener discharge
> the rinse water into the septic tank.
>
> Good, bad, indifferent?
>
> In case it matters, we're a family of two adults, two kids, and the septic
> tank holds 1500 gallons. The leach field seems to be in good shape, it was
> installed in 2002. The tank was pumped in late 2005, when we bought the
> house.
>
> Thanks.



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