1. After the incorporation of the district aforesaid it shall be the duty of the court to order the election authority to call and hold an election; said election to be called and held in the manner herein provided, at which election the voters residing within the sewer district may vote for three persons who shall form the board of trustees for said district as herein provided.
2. In the order of such election the court shall also provide for submitting at such election a proposition to incur indebtedness by the district in an amount not greater than the estimate of the cost of constructing a system of sewers as provided in the report of the engineer.
3. The notice shall state the purpose of the election and the amount of indebtedness to be incurred.