Standard&Poor's Ratings Services assigned its 'AA+/A-1+' rating, and stable outlook, to East Bay Municipal Utility District (MUD), Calif.'s series 2008A-C wastewater system subordinated revenue refunding bonds and affirmed its 'AA+' standard long-term rating and Standard&Poor's underlying rating (SPUR), with a stable outlook, on the district's previously issued subordinated wastewater revenue bonds. The ratings reflect the district's: Very strong financial management with ample cash liquidity equal to more than 97 days' operations and debt service coverage (DSC) of no less than 1.51x both historically and projected, Broad and diverse underlying economy in the San Francisco East Bay Area, Substantial completion of a large capital improvement program (CIP) with a mostly maintenance-oriented program over the five-year planning horizon,