The Open-Space and Environmental Districts are: <table> <tbody> <tr> <td>OS</td> <td data-text-align="center">Open-Space Zoning District</td> </tr> <tr> <td>FP</td> <td data-text-align="center">Floodplain Overlay Zoning District</td> </tr> <tr> <td>CBCA</td> <td data-text-align="center">Chesapeake Bay Critical Area Overlay Zoning District</td> </tr> </tbody> </table> Ord. 16-581