Flow Alert
Quick access to river data.
Free · Designed for iPad. Not verified for macOS.
Flow Alert provides quick access to flow , stage, temperature, and turbidity data made available by the United States Geologic Survey (USGS).
Download USGS gauges and add favorites to a separate list. Create nicknames for your favorite gauges.
Add a widget on your home screen that shows your selected parameter for your favorite gauges. Currently, widgets update automatically approximately every 15 minutes and show a bell icon if an alert is triggered.
Add alerts to notify yourself when your gauge meets your defined criteria. Multiple alerts may be set for each favorite gauge. Manage your alerts for all gauges in one screen.
Select a gauge from the list to see an interactive graph of the past 7 days of available data.
Data provided by:
-United State Geological Survey (USGS)
Disclaimer:
Flow Alert provides quick access to flow , stage, temperature, and turbidity data made available by the United States Geologic Survey (USGS) via USGS Water Services. All data shown in Flow Alert are downloaded from the USGS Water Services API.
Flow Alert is not affiliated with, endorsed by, or representative of any government entity including USGS. Flow Alert does not take credit, responsibility, or ownership for any data downloaded from USGS's Water Services API. It is simply a tool that you can use to view the data made available by USGS.
Data Source Link https://waterservices.usgs.gov/.
If you have feedback, suggestions, or feature requests, please e-mail me at flowalertapp@gmail.com...I'd appreciate it! You may also submit feedback through the in-app feedback page.
Ratings & Reviews
The developer, Shaina Schwartzel, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Shaina Schwartzel
- Size
- 40.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Flow Alert