Iowa Code § 101.9: Repairs ordered by director.

If the director has reasonable grounds for believing after conducting tests that a leak exists in a flammable or combustible liquid storage tank or in the distribution system of a flammable or combustible liquid storage tank the director shall issue a written order to the owner or lessee of the storage tank or distribution system requiring the storage tank and distribution system be emptied and removed or repaired immediately upon receipt of the written order.