Rio Grande Valley 9-1-1
GIS Department
Mapping the Future of Emergency Response
“A map is the greatest of all epic poems. Its lines and colors show the realization of great dreams.”
Gilbert H. Grosvenor
Editor of National Geographic (1903-1954)
Joe Garcia, MBA, ENP
Assistant Director
"The RGV9-1-1 GIS Department ensures accurate, real-time geographic data that enables first responders to reach those in need as quickly as possible."
Our team of dedicated professionals ensures that when someone dials 9-1-1, responders know exactly where to go. Through precise mapping, data management, and cutting-edge geospatial technology, we maintain critical location intelligence that saves lives every single day.
Our Mission
To provide accurate, timely, and reliable geospatial data that enables first responders to reach those in need with speed and precision across Hidalgo and Willacy Counties.
What We Do
Addressing Authority
9-1-1 addressing authority for all areas outside city limits in Hidalgo and Willacy counties.
Request Management
Comprehensive 3-step process for property addressing and Geodatabase integration.
Call Routing
Managing Location Validation Function (LVF) for precise carrier call delivery.
PSAP Integration
Real-time GIS replication to all 15 regional Public Safety Answering Points.
Our Evolution
Completed transition from tabular database (MSAG) to GIS-driven GeoMSAG. Migrated to ArcGIS Pro 2.8.1 and implementation of ESRI's Address Data Management Toolset.
Created new ArcGIS Enterprise 10.9.1 infrastructure and developed the RGV9-1-1 HUB site, interconnecting workflows with residents.
Upgraded to ArcGIS Enterprise 11.5 with ArcGIS Indoor support. Deployed automated ticket management via ESRI's Workflow Manager for seamless resident interactions.
