Section 200.39 - Contract sewerage service(1) GENERAL POWER OF THE COMMISSION. Subject to subs. (2) to (6), the commission may contract with any city, town, village, sanitary district organized under subch. IX of ch. 60 or metropolitan sewerage district organized under subch. I wholly or partially outside the boundaries of the district, but wholly or partially within the same general drainage area as the district for the transmission, treatment or disposal of sewage from any territory located in the city, town, village, sanitary district or metropolitan sewerage district. Each contract executed under this section shall specify the terms of payment of sewerage service charges by the contracting party.(2) PRIOR APPROVALS. Before permitting any city, town, village, sanitary district or metropolitan sewerage district to connect its sewers with or use any of the district's interceptor sewers under this section, the sewers shall be approved as provided in s. 200.37(1). The governing body of the city, town, village, sanitary district or metropolitan sewerage district may enter into a contract under this section only by a vote of three-fourths of its members.(3) SERVICE CHARGES FOR OPERATION AND MAINTENANCE. As part of any contract executed under this section, the commission may assess reasonable and just sewerage service charges against the contracting party with respect to operating and maintenance costs. These charges shall be established in accordance with s. 200.59 and are subject to review under s. 200.59. The schedule of service charges may, but need not, be uniform with any other schedule of charges established by the commission.(4) SERVICE CHARGES FOR CAPITAL COSTS.(a) As part of any contract executed under this section, the commission may assess reasonable and just sewerage service charges against the contracting party with respect to capital costs. These sewerage service charges are subject to review under s. 200.59. The schedule of sewerage service charges with respect to capital costs used in contracts executed under this section shall be uniform with the system used to recover capital costs within the district.(b) Except as provided in par. (c), the charges assessed under this subsection shall be established in accordance with s. 66.0821 or 200.55(5). In computing the schedule of charges under this subsection, the commission may consider the factors specified in s. 66.0821(5) or 200.55(5). In computing the schedule of charges under this subsection, the commission may also consider the fact that sewerage service may not be available to or may be available to but not utilized by a part of the property located within the territorial limits of a contracting party at the time of computing the schedule.(c) If the commission adopts a system with respect to capital costs within the district on the basis of the value of the property in the area to be served, as equalized under s. 70.57, the commission shall adopt a system of sewerage service charges with respect to capital costs used in contracts executed under this section that shall equal the amount the commission would be able to levy as taxes upon the area to be served by the contract, if the area was within the district boundary.(5) PAYMENT OF ASSESSED CHARGES. (a) Any city, town, village, sanitary district organized under subch. IX of ch. 60 or metropolitan sewerage district organized under subch. I that contracts under this subsection may provide for the payment of charges from any available source, including: 2. Assessments upon and assessments of charges against the whole city, town, village, sanitary district organized under subch. IX of ch. 60 or metropolitan sewerage district organized under subch. I or upon or against any part thereof that the governing body determines to be benefited by the service.3. Borrowing under s. 67.12(12).4. Disbursements from the general fund.5. The proceeds of a sales tax.6. The proceeds of its own schedule of service charges. The schedule of these charges may, but need not, be uniform with any schedule of charges established by the commission.(b) A deficiency in the source of funds for payment does not relieve the contracting party of liability for failure to pay the commission in full at the time provided in the contract.(6) INTEREST ON LATE PAYMENTS. Contracts executed under this section may provide for interest on late payments.1981 c. 282, 391; 1983 a. 27; 1983 a. 532 s. 36; 1999 a. 150 s. 585; Stats. 1999 s. 200.39. Sub. (4) (c) is unconstitutional; it was passed in violation of Art. IV, s. 18. Brookfield v. Milwaukee Metropolitan Sewerage District, 144 Wis. 2d 896, 426 N.W.2d 591 (1988).