If you choose to drill holes in the basin, make sure the holes are smaller than the solids handling rating of the pump (generally 1/4 in. to 1/2 in. for a standard sump pump). This will prevent larger solids from entering the basin and clogging the pump.
1 You must report the amount you withdrew from your retirement plan to the IRS. 2  You may have to pay an additional 10 percent tax on your withdrawal. 3  The additional 10 percent tax normally does not apply to nontaxable withdrawals. 4  Nontaxable withdrawals include withdrawals of your cost in participating in the plan.
Your age-based withdrawal is subject to federal income tax and, in some cases, state income tax. Age-based withdrawal payments are considered eligible rollover distributions for federal income tax purposes and are subject to a mandatory 20 percent tax if you make an age-based withdrawal. The TSP will withhold 20 percent for taxes.