Appendix C – Preliminary Geotechnical Investigation and Percolation_Infiltration Rate Study Posted on April 14, 2022 Appendix C - Preliminary Geotechnical Investigation and Percolation_Infiltration Rate Study Recent news COSAS: City Manager’s newsletter for February 13, 2025 Posted on February 13, 2025 Street closures and permitted events for February 13-19 Posted on February 13, 2025 Santa Ana selected as only California city to receive Mural Mosaic installation Posted on February 13, 2025 Get free business assistance at City Hall Posted on February 11, 2025 Major rainstorm forecast February 12-14; free sandbags available for residents and businesses Posted on February 11, 2025 All news »