What is the going rate per cu ft for cleaning & sealing a cistern?
I don't know if they charge by the cu. ft.
When I last had the cistern cleaned and resealed it was about $1200.00 but that was a couple yrs. ago. That cistern was around 15K gallons. It will take 7-10 days to clean, seal and it has to also cure before you can buy water to put back in cistern so you'll need another water source if living in home during this time. I can recommend someone in STT,