The city of Boulder and °ÄÃÅ¿ª½±½á¹û2023¿ª½±¼Ç¼ jointly released a draft annexation agreement for °ÄÃÅ¿ª½±½á¹û2023¿ª½±¼Ç¼ South that is the culmination of years of collaboration between the city, county, university and community to achieve vital flood protection for thousands of downstream Boulder residents.