A storage tank sump arrangement for an agricultural implement. One agricultural implement includes row units configured to deliver flowable agricultural product to a field. The agricultural implement also includes a storage tank configured to hold the flowable agricultural product. The storage tank includes a first sump and a second sump. Further, the first sump is positioned adjacent to a front portion of the storage tank relative to a direction of travel and the second sump is positioned adjacent to a rear portion of the storage tank relative to the direction of travel. The agricultural implement includes a pump in fluid communication with the first sump and the second sump. The pump is configured to pump the flowable agricultural product from the storage tank to the row units.