AB50,1113,18 3. A person who owns a principal residence or small commercial establishment that is served by a category 1 or 2 failing private on-site wastewater treatment system may submit an application for grant funds during the 3-year period after the determination of failure is made. Grant funds may be awarded after work is completed if rehabilitation or replacement of the system meets all requirements of this section and rules promulgated under this section.

AB50,1113,20 (b) Each principal residence or small commercial establishment may receive only one grant under this section.

AB50,1114,6 (c) 1. In order to be eligible for grant funds under this section, the annual family income of the person who owns the principal residence may not exceed $45,000. Beginning July 1, 2026, and annually on July 1 thereafter, the department shall adjust the dollar amount specified in this subdivision by an amount equal to that dollar amount multiplied by the percentage change in the U.S. consumer price index for urban wage earners and clerical workers, U.S. city average, for the prior year, rounded to the nearest dollar. The department shall publish the dollar amounts on its website. Notwithstanding s. 227.10, the adjusted dollar amounts need not be promulgated as rules under ch. 227.

AB50,1114,10 2. Except as provided under subd. 4., annual family income shall be based upon the federal adjusted gross income of the owner and the owner’s spouse, if any, as computed for the taxable year prior to the year in which the determination of failure is made.

AB50,1114,14 3. In order to be eligible for grant funds under this section, a person shall submit a copy of the federal income tax returns upon which the determination of federal adjusted gross income under subd. 2. was made together with any application required by the governmental unit.

AB50,1114,21 4. A governmental unit may disregard the federal income tax return that is submitted under subd. 3. and may determine annual family income based upon satisfactory evidence of federal adjusted gross income or projected federal adjusted gross income of the owner and the owner’s spouse in the current year. The department shall promulgate rules establishing criteria for determining what constitutes satisfactory evidence of federal adjusted gross income or projected federal adjusted gross income in a current year.

AB50,1115,2 (d) 1. In order to be eligible for grant funds under this section, the annual gross revenue of the business that owns the small commercial establishment may not exceed $362,500.

AB50,1115,7 2. Except as provided in subd. 4., annual gross revenue shall be based upon the gross revenue of the business for the taxable year prior to the year in which the determination of failure is made. The department shall promulgate rules establishing criteria for determining what constitutes satisfactory evidence of gross revenue in a prior taxable year.

AB50,1115,10 3. In order to be eligible for grant funds under this section, a business shall submit documentation required by the department under subd. 2. together with any application required by the governmental unit.

AB50,1115,16 4. A governmental unit may disregard the documentation of gross revenue for the taxable year prior to the year in which the determination of failure is made and may determine annual gross revenue based upon satisfactory evidence of gross revenue of the business in the current year. The department shall promulgate rules establishing criteria for determining what constitutes satisfactory evidence of gross revenue in a current year.

AB50,1115,18 (e) The department of revenue shall, upon request by the department, verify the income information submitted by an applicant or grant recipient.

AB50,1116,2 (4) Denial of application. (a) The department or a governmental unit shall deny a grant application under this section if the applicant or a person who would be directly benefited by the grant intentionally caused the conditions that resulted in a category 1 or 2 failing private on-site wastewater treatment system. The department or governmental unit shall notify the applicant in writing of a denial, including the reason for the denial.

AB50,1116,11 (b) The department shall notify a governmental unit if an individual’s name appears on the statewide support lien docket under s. 49.854 (2) (b). The department or a governmental unit shall deny an application under this section if the name of the applicant or an individual who would be directly benefited by the grant appears on the statewide support lien docket under s. 49.854 (2) (b), unless the applicant or individual who would be benefited by the grant provides to the department or governmental unit a payment agreement that has been approved by the county child support agency under s. 59.53 (5) and that is consistent with rules promulgated under s. 49.858 (2) (a).

AB50,1116,17 (5) Use of funds. (a) Except for grants under par. (b), funds available under a grant under this section shall be applied to the rehabilitation or replacement of the private on-site wastewater treatment system. An existing private on-site wastewater treatment system may be replaced by an alternative private on-site wastewater treatment system or by a system serving more than one principal residence.

AB50,1116,20 (b) Funds available under a grant under this section for experimental private on-site wastewater treatment systems shall be applied to the installation and monitoring of the experimental private on-site wastewater treatment systems.

AB50,1117,2 (6) Allowable costs; state share. (a) Except as provided in par. (e), costs allowable in determining grant funding under this section may not exceed the costs of rehabilitating or replacing a private on-site wastewater treatment system that would be necessary to allow the rehabilitated system or new system to meet the minimum requirements of the state plumbing code promulgated under s. 145.02.

AB50,1117,8 (b) Except as provided in par. (e), costs allowable in determining grant funding under this section may not exceed the costs of rehabilitating or replacing a private on-site wastewater treatment system by the least costly methods, except that a holding tank may not be used as the measure of the least costly method for rehabilitating or replacing a private on-site wastewater treatment system other than a holding tank.

AB50,1118,3 (c) Except as provided in pars. (d) and (e), the state grant share under this section is limited to $7,000 for each principal residence or small commercial establishment to be served by the private on-site wastewater treatment system or to the amount determined by the department based upon private on-site wastewater treatment system grant funding tables, whichever is less. The department shall prepare and publish private on-site wastewater treatment system grant funding tables that specify the maximum state share limitation for various components and costs involved in the rehabilitation or replacement of a private on-site wastewater treatment system based upon minimum size and other requirements specified in the state plumbing code promulgated under s. 145.02. The maximum state share limitations shall be designed to pay approximately 60 percent of the average allowable cost of private on-site wastewater treatment system rehabilitation or replacement based upon estimated or actual costs of that rehabilitation or replacement. The department shall revise the grant funding tables when it determines that 60 percent of current costs of private on-site wastewater treatment system rehabilitation or replacement exceed the amounts in the grant funding tables by more than 10 percent, except that the department may not revise the grant funding tables more often than once every 2 years.

AB50,1118,8 (d) Except as provided in par. (e), if the income of a person who owns a principal residence that is served by a category 1 or 2 failing private on-site wastewater treatment system is greater than $32,000, the amount of the grant under this section is limited to the amount determined under par. (c) less 30 percent of the amount by which the person’s income exceeds $32,000.

AB50,1118,14 (e) Costs allowable for experimental private on-site wastewater treatment systems shall include the costs of installing and monitoring experimental private on-site wastewater treatment systems installed under s. 145.02 (3) (b) and this section. The department shall promulgate rules that specify how the department will select, monitor, and allocate the state share for experimental private on-site wastewater treatment systems that the department funds under this section.

AB50,1118,22 (7) Application. (a) In order to be eligible for a grant under this section, a governmental unit shall make an application for replacement or rehabilitation of private on-site wastewater treatment systems of principal residences or small commercial establishments and shall submit an application for participation to the department. The application shall be in the form and include the information the department prescribes. In order to be eligible for funds available in a fiscal year, an application is required to be received by the department prior to February 1 of the previous fiscal year.

AB50,1119,2 (b) An American Indian tribe or band may submit an application for participation for any Indian lands under its jurisdiction.

AB50,1119,4 (8) Conditions; governmental units. As a condition for obtaining grant funding under this section, a governmental unit shall do all of the following:

AB50,1119,6 (a) Adopt and administer the maintenance program established under s. 145.20 (5).

AB50,1119,11 (b) Certify that grants will be used for private on-site wastewater treatment system replacement or rehabilitation for a principal residence or small commercial establishment owned by a person who meets the eligibility requirements under sub. (3), that the funds will be used as provided under sub. (5), and that allowable costs will not exceed the amount permitted under sub. (6).

AB50,1119,13 (c) Certify that grants will be used for private on-site wastewater treatment systems that will be properly installed and maintained.

AB50,1119,15 (d) Certify that grants provided to the governmental unit will be disbursed to eligible owners.

AB50,1119,17 (e) Establish a process for regulation and inspection of private on-site wastewater treatment systems.

AB50,1119,21 (f) Establish a system of user charges and cost recovery if the governmental unit considers this system to be appropriate. User charges and cost recovery may include the cost of the grant application fee and the cost of supervising installation and maintenance.