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About this app

WST Fielder is an application created by Water Services & Technologies to enhance the functionalities of the Hydro GeoAnalyst (HGA) data management software from Waterloo Hydrogeologic. Create data collection campaigns using published EDD templates, view new and existing stations through the mapping tool, locate yourself in the field, and collect data following validation rules for the requested data. At the end, it is possible to send a filled form for import into the HGA database.

Main features:

🗺️ See the location of existing stations in HGA and published in the EDD template;

📍 Use the mobile GPS to locate and register new stations;

📄 Use forms to enter data;

🌐 Keep data offline and send it when you have an internet connection;

✅ Automatic validation for data types, drop-down lists, and mandatory fields.
Collect field data from Hydro GeoAnalyst EDDs.
Updated on
Jul 17, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, Photos and videos, and App activity
  • This app may collect these data types
    Location, Personal info and 4 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

New features for campaign corrections
Content rating
Everyone
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App support

Phone number
+554833654374
About the developer
João Marcos Soré de Morais
joao.morais@waterservicestech.com
Rua Aristides Mariotti, 174 TP A AP 6 RCT CENTENARIO JUNDIAÍ - SP 13211-740 Brazil