Island septic costs?
 

Looking for what it should generally run for septic..on a small island...no blasting, room for a small excavator to get to the site. The plan is for an envirofin system. Any ballparks anyone can give including barge services? Thanks!

Just had a neighbor put a new one in. Don’t know if it was an envirofin. The tank alone cost about 8k. Estimate (I think) was about $25 - 30k including barge services but, they had to track sand for the field about 300 ft back up a steep grade using a bobcat. Also had a medium size cat excavator doing the digging.

Once you have an approved design a contractor can provide a cost estimate.


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Watermark did mine 5 years ago and it was 25 for the project.


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We have 2 quotes to do ours, a simple gravity fed 2 bedroom system at $20k. I will say a 3rd contractor came in at $36k for the same job, but that clearly was a "toss it at the wall and see if it sticks" kind of quote. If someone was to pay that crazy high price they would certainly do it.

I would say 20K for an2 bedroom Island system is a great deal. Get that in writing and seal the deal.