Technology   Geographical Information Systems Below is the District's Sphere of influence incorporating nine cities across the Coachella Valley.  The Information used to compile this map incorporated Global Positioning System (GPS) coordinates to display the boundary and mark each of the represented cities. The geographical representation of this map and/or drawing is provided for informational purposes only and should be used for Reference Only. Any information represented here is not guaranteed to be accurate or current. No reliance on angles, distances, area sizes or other land survey data should be assumed without verification by the user. Neither the Coachella Valley Mosquito & Vector Control District nor the Coachella Valley Mosquito & Vector Control District Information Technology Department accepts any responsibility for errors or omissions. This webpage may not be reproduced, edited, or otherwise altered in any way without advanced permission of the Coachella Valley Mosquito & Vector Control District Information Technology Department.