1. There is hereby created within any county of the third classification without a township form of government and with more than thirty-four thousand but less than thirty-four thousand one hundred inhabitants, any county of the second classification without a township form of government and with more than fifty-four thousand two hundred but less than fifty-four thousand three hundred inhabitants, any county of the third classification without a township form of government and with more than thirteen thousand seventy-five but less than thirteen thousand one hundred seventy-five inhabitants, any county of the first classification with more than two hundred forty thousand three hundred but less than two hundred forty thousand four hundred inhabitants, any county of the third classification without a township form of government and with more than nine thousand four hundred fifty but less than nine thousand five hundred fifty inhabitants, any county of the third classification without a township form of government and with more than twenty-eight thousand six hundred but less than twenty-eight thousand seven hundred inhabitants, any county of the first classification with more than thirty-nine thousand seven hundred but less than thirty-nine thousand eight hundred inhabitants, any county of the third classification without a township form of government and with more than thirty-one thousand but less than thirty-one thousand one hundred inhabitants, and any county of the third classification without a township form of government and with more than seventeen thousand nine hundred but less than eighteen thousand inhabitants, the "Upper White River Basin Watershed Improvement District". The watershed improvement district is authorized to own, install, operate, and maintain decentralized or individual on-site wastewater treatment plants. The watershed improvement district created under this section shall be a body corporate and a political subdivision of the state of Missouri, shall be capable of suing and being sued in contract in its corporate name, and shall be capable of holding such real and personal property necessary for corporate purposes. The district shall implement procedures to regulate the area within the district and to educate property owners within the district about the requirements imposed by the district.
2. Any county included in the Upper White River Basin watershed improvement district, as established in subsection 1 of this section, may choose to opt out of the district in one of two ways:
(1) Upon the filing of a petition signed by at least twenty percent of the property owners residing within the county, a proposal is submitted to the qualified voters within the district boundaries. The ballot of submission shall be in substantially the following form:
(2) Upon the issuance of an order by the county commission, a proposal is submitted to the qualified voters within the district boundaries to opt out of the Upper White River Basin watershed improvement district. The ballot of submission shall be in substantially the following form:
3. Any county who has successfully chosen to opt out of the Upper White River Basin watershed improvement district under the provisions of subsection 2 of this section shall be allowed to rejoin the district at any time, provided the county submits the proposal to rejoin the district in one of two ways:
(1) Upon the filing of a petition signed by at least twenty percent of the property owners residing within the county, a proposal is submitted to the qualified voters within the county. The ballot of submission shall be in substantially the following form:
(2) Upon the issuance of an order by the county commission, a proposal is submitted to the qualified voters within the district boundaries to rejoin the Upper White River Basin watershed improvement district. The ballot of submission shall be in substantially the following form:
4. The watershed improvement district created under this section shall have the power to borrow money and incur indebtedness and evidence the same by certificates, notes, or debentures, to issue bonds and use any one or more lawful funding methods the district may obtain for its purposes at such rates of interest as the district may determine. Any bonds, notes, and other obligations issued or delivered by the district may be secured by mortgage, pledge, or deed of trust of any or all of the property within the district. Every issue of such bonds, notes, or other obligations shall be payable out of property and revenues of the district and may be further secured by other property within the district, which may be pledged, assigned, mortgaged, or a security interest granted for such payment, without preference or priority of the first bonds issued, subject to any agreement with the holders of any other bonds pledging any specified property or revenues. Such bonds, notes, or other obligations shall be authorized by resolution of the district board, and shall bear such date or dates, and shall mature at such time or times, but not in excess of thirty years, as the resolution shall specify. Such bonds, notes, or other obligations shall be in such denomination, bear interest at such rate or rates, be in such form, either coupon or registered, be issued as current interest bonds, compound interest bonds, variable rate bonds, convertible bonds, or zero coupon bonds, be issued in such manner, be payable in such place or places, and be subject to redemption as such resolution may provide, notwithstanding section 108.170 . The bonds, notes, or other obligations may be sold at either public or private sale, at such interest rates, and at such price or prices as the district shall determine.
5. The county commission of any county located within the watershed improvement district may authorize individual properties to be served by the district by adoption of a resolution or upon the filing of a petition signed by at least twenty percent of the property owners of the proposed area. The resolution or petition shall describe generally the size and location of the proposed area.
6. In the event that any property within the watershed improvement district proposed under this section lies within or is serviced by any existing sewer district formed under this chapter, chapter 204 , or chapter 250 , the property shall not become part of the watershed improvement district formed under this section unless the existing sewer district agrees to refrain from providing service or to discontinue service to the property. No property shall become part of the watershed district until the owner of that property has paid in full all outstanding costs owed to an existing sewer district formed under this chapter, chapter 204 , or chapter 250 .
7. Upon the creation of the watershed improvement district as authorized by this section, a board of trustees for the district consisting of nine members shall be appointed. The governing body of each county shall appoint one member to serve on the board. No trustee shall reside in the same county as another trustee. Of the initial trustees appointed, five shall serve terms of one year, and four shall serve terms of two years, as determined by lot. After the initial appointments of the trustees, the successor trustees shall reside in the same county as the prior trustee and be elected by the resident property owners of their county within the district. Each trustee may be elected to no more than five consecutive two-year terms. Vacancies shall be filled by the board. Each trustee shall serve until a successor is elected and sworn. The trustees shall not receive compensation for their services, but may be reimbursed for their actual and necessary expenses. The board shall elect a chair and other officers necessary for its membership. The board shall enter into contracts with any person or entity for the maintenance, administrative, or support work required to administer the district. The board may charge reasonable fees and submit proposals to levy and impose property taxes to fund the operation of the district to the qualified voters in the district, but such proposals shall not become effective unless a majority of the qualified voters in the district voting on the proposals approve the proposed levy and rate of tax. The board may adopt resolutions necessary to the operation of the district.
8. No service shall be initiated to any property lying within the watershed improvement district created under this section unless the property owner elects to have the service provided by the district.
9. Any on-site wastewater treatment system installed on any property that participates in the watershed improvement district formed under this section shall meet all applicable standards for such on-site wastewater treatment systems under sections 701.025 to 701.059 and as required by rules or regulations promulgated by the board of trustees and the appropriate state agencies.
10. Property owners participating in the watershed improvement district formed under this section shall be required as a condition of continued participation to have a maintenance plan approved by the watershed improvement district for the on-site wastewater treatment systems on their properties. Such property owners shall also execute a utilities easement to allow the district access to the system for maintenance purposes and inspections. The property owner shall provide satisfactory proof that periodic maintenance is performed on the sewage system. At a minimum the system shall be installed and maintained according to the manufacturer's recommendations. The level of satisfactory proof required and the frequency of periodic proof shall be determined by the board of trustees.
11. A district established under this section may, at a general or primary election, submit to the qualified voters within the district boundaries a real property tax that shall not exceed five cents per one hundred dollars assessed valuation to fund the operation of the district. The ballot of submission shall be in substantially the following form:
12. The real property tax authorized by this section is in addition to all other real property taxes allowed by law.
13. Once the real property tax authorized by this section is abolished or terminated by any means, all funds remaining in the trust fund shall be used solely for the purposes approved in the ballot question authorizing the tax. The tax shall not be abolished or terminated while the district has any financing or other obligations outstanding. Any funds in the trust fund which are not needed for current expenditures may be invested by the district in the securities described in subdivisions (1) to (12) of subsection 1 of section 30.270 or repurchase agreements secured by such securities.
14. The governing body of any county included in the Upper White River Basin watershed improvement district established in this section may designate groundwater depletion areas within specific areas of the county and may require well volume monitoring. However, any county included in this district may choose not to require well volume monitoring.