To prevent severe cuts in general city services, including closure of a fire station, elimination of firefighters and reductions in police patrols, and to preserve city services promoting public welfare, including street and park maintenance, shall the City of Colton adopt a utility user tax not to exceed 4% for residential uses and 6% for commercial and industrial uses, as described in ordinance No. 0-01-04, exempting senior citizens and making the tax sunset on 6/30/11?