Iowa law requires that any person, homeowner, professional, public or private entity, planning to engage in any form of excavation within the state of Iowa, must notify the Iowa One Call notification system, at 1-800-292-8989 or 811, at least 48 hours prior to excavating.

The Iowa One Call notification system is a free call and a free service to all persons planning an excavation within the state of Iowa. The required 48 hours advance notice does not include Saturdays and Sundays or legal holidays.

Iowa One Call is a non-profit organization funded by the owners and operators of underground facilities who are required by law to belong to the system.

Iowa One Call is committed to maintaining and operating a notification system efficient in relaying information and safeguarding underground facilities essential to all Iowans.

Iowa One Call Website: www.iowaonecall.com