S&P Global Ratings assigned its 'AAA' rating and stable outlook to Wisconsin's roughly $80 million series 2020A environmental improvement fund (EIF) revenue bonds, designated as green bonds, and affirmed its 'AAA' rating, with a stable outlook, on Wisconsin's existing EIF revenue bonds. Officials intend to use series 2020 bond proceeds to fund the state match for the clean water and safe drinking water state-revolving-funds (SRF) federal-capitalization grant and finance new pledged loans. The rating reflects our opinion of the combination of extremely strong enterprise- and financial-risk profiles, reflecting our assessment of the program's: Low-industry-risk score and extremely strong market since the statute-established clean water and drinking water SRF pools have ongoing support from multiple levels of government; Extremely strong loss-coverage