Wyo. Stat. § 41-9-402
The commissioners of said drainage district, the holders of any bond or bonds of the said district and the authorities of any such town, city or village shall also enter into an agreement whereby all assessments for bond principal and interest shall be collected by such town, city or village in the same manner as is now provided by law for the collection of sewerage taxes. Upon such agreement being reached, the commissioners and bondholders of such drainage district shall furnish to said town, city or village a roll showing the lots, tracts or parcels of land within said town, city or village assessed for drainage, the assessment for benefits thereon and the assessment for construction thereon. Said town, city or village shall thereupon proceed to levy and collect such amounts as may be necessary for the payment of said assessment for construction in the same manner as is now provided by law for the levy and collection of sewerage assessments, and shall remit payments to the bondholders entitled to receive such payments upon such drainage bonds semi-annually upon the first day of January and the first day of July of each year.
W.S. 41-9-402