A group of concerned San Diegans urged the county Wednesday to declare a state of emergency in the South Bay because of constant sewage seepage into county waters. The resident group called “Citizens Against Sewage” and San Diego State University (SDSU) students rallied outside the county’s administration center in San Diego to call attention to a flow of sewage-polluted water from Mexico that consistently flows into the Tijuana River on the United States side of the border.