Missouri Revised Statutes Title XXV. Incorporation and Regulation of Certain Utilities and Carriers § 393.025. Sewer corporation may exercise eminent domain, how--sewer lines along or across public roads, how built and maintained--consent of municipality required, when

1. A sewer corporation shall have the power to acquire through eminent domain proceedings the lands, property and rights of any character whatsoever necessary to construct, extend, improve, alter, maintain or operate its sewer system, in the manner prescribed by law for gas corporations and electrical corporations.

2. A sewer corporation may construct and maintain its pipes along, across or under any of the public roads, streets and waters of this state, in such manner as not to incommode the public in the use of such roads, streets and waters; provided, any sewer corporation desiring to place its system in any city, town or village shall also obtain the consent from such city, town or village through the municipal authorities thereof.