In Reply to: Re: Things I'm tired of hearing about..... posted by MikeinCO on March 15, 2020 at 14:13:27:
Yup, good idea to pump them. We do it every 5 years. Our tanks are about 30 inches below the finish grade so I removed the original lids and made risers out of some large round storm sewer pipe. Then I made my own lids to fit and they sit about 6" below the grass.