A trailer park resident in northeast B.C. says her landlord and the regional health authority have failed to address high levels of manganese in the water supply for more than three years — and the problem still hasn't been fixed. Cassandra Ross says she didn't even learn of the issues with the drinking water at Shady Acres Mobile Home Park until a boil water advisory was put in place for high bacteria levels more than two years after the manganese issue was found.