GIS for the LEA Ted J. Terrasas, REHS Senior Environmental Health Specialist Monterey County Health Department November 8, 2005

Why GIS? Organized Data Collection Organized Data Collection Accurate Accurate Timesaving Timesaving Model and Map the World Model and Map the World Uncover Patterns, Relationships, and Trends Uncover Patterns, Relationships, and Trends Unlimited Application Unlimited Application

Contents Equipment Equipment Visual Organization of Information Visual Organization of Information Basic Steps Basic Steps Data Dictionary Data Dictionary Differential Correction Differential Correction Editing Features Editing Features Viewing Data Viewing Data Examples Examples GIS Workgroups GIS Workgroups Agency-Wide Database Agency-Wide Database Peripherals Peripherals Results Results

Equipment Trimble GeoXT Trimble GeoXT ARC GIS Software ARC GIS Software ArcMap ArcMap Map Overlays Map Overlays ArcCatalog ArcCatalog Organize Data, Projections, etc. Organize Data, Projections, etc. GPS Pathfinder Office GPS Pathfinder Office Data Dictionaries Data Dictionaries Differential Correction Differential Correction Data Transfer Data Transfer

Visual Organization of Information Precise, More Precise, and Most Precise Information Precise, More Precise, and Most Precise Information Facility Distribution Facility Distribution Landfills, Transfer Stations, Composters Landfills, Transfer Stations, Composters Locations and Footprints Locations and Footprints Trends Trends Illegal Dumping Illegal Dumping Events Events Outreach and Public Education Outreach and Public Education Land Use Land Use

Basic Steps Data Dictionary Data Dictionary Data Collection Data Collection Importing Data Importing Data Differential Correction Differential Correction Editing Features Editing Features Exporting Data Exporting Data Viewing Data Viewing Data

Data Dictionary Created with Pathfinder Office Created with Pathfinder Office Menu for Data Collection Menu for Data Collection Useful for Tables Useful for Tables Choose Wisely Choose Wisely

Differential Correction Enhances Data Quality and Integrity Enhances Data Quality and Integrity Two Main Methods Two Main Methods Real Time Real Time Internet Post Processing Internet Post Processing Base Station – A Precisely Known Location Base Station – A Precisely Known Location Use Date and Time for Comparison Use Date and Time for Comparison Saves a Corrected File Saves a Corrected File

Editing Features “Clean up” Errant Points “Clean up” Errant Points Smoother Footprints Smoother Footprints Removal of Extraneous Data Removal of Extraneous Data Focus on Important Data Points Focus on Important Data Points

Viewing Data ArcMap Allows Map Overlay ArcMap Allows Map Overlay Map Points Are “Active” Map Points Are “Active” Where All The Work Pays Off Where All The Work Pays Off Draw Conclusions Draw Conclusions Make Decisions Make Decisions Get to Work Get to Work

County Maps - Recycling

City Maps – Illegal Dumping

Parcel Maps - Complaint

Multi-User Projects Use Data From Multiple Groups: Environmental Health, Code Enforcement, etc. Use Data From Multiple Groups: Environmental Health, Code Enforcement, etc. Hazardous Materials Hazardous Materials UST’s, First Responder Incidents UST’s, First Responder Incidents Water Resources Water Resources Active and Abandoned Wells Active and Abandoned Wells Solid Waste Solid Waste Illegal Dumpsites Illegal Dumpsites Landfills Landfills

Multi-User Project – Fort Ord

GIS Workgroups Meet With Other Like-Minded Individuals, Agencies Meet With Other Like-Minded Individuals, Agencies Public Works, Health Dept., Sheriff’s Dept. Public Works, Health Dept., Sheriff’s Dept. Working Together Can Save Time and Money Working Together Can Save Time and Money Easy to Set Up Training and Product Demonstrations Easy to Set Up Training and Product Demonstrations You Are Not Alone You Are Not Alone

Agency-Wide Database Monterey County GeoDatabase Monterey County GeoDatabase Monitored by Information Technology Department Monitored by Information Technology Department Access Can Be Granted to View County Maps Access Can Be Granted to View County Maps Information May be Added if it Meets Sufficient Criteria Information May be Added if it Meets Sufficient Criteria Eliminates Repetition Eliminates Repetition

Peripherals Can Be Attached to Field Equipment and “Tag” Positional Data Can Be Attached to Field Equipment and “Tag” Positional Data Laser Laser More Accurate More Accurate Safer for the User Safer for the User More Efficient More Efficient Reach everything in “plain view” Reach everything in “plain view” Water Sampling Equipment Water Sampling Equipment Landfill Gas Monitors Landfill Gas Monitors

Results Enforcement Enforcement Information Sharing Information Sharing Informed Planning Informed Planning Improved Community Service Improved Community Service Improved Defense of Public Health and the Environment Improved Defense of Public Health and the Environment A more effective LEA A more effective LEA

Conclusion Decide if GIS is Worth the Investment Decide if GIS is Worth the Investment Choose the Best Suited Equipment Choose the Best Suited Equipment Plan Your Data Organization Plan Your Data Organization Use All Resources Available to You Use All Resources Available to You

Question and Answer Ted J. Terrasas, REHS Senior Environmental Health Specialist Monterey County Health Dept Natividad Road, Room B301 Salinas, CA Tel: (831) Fax: (831)