# FloodWatch — Real-time river and flood data > Real-time US river and flood data from USGS and NWS. (iPhone/iPad app by Brian Deshong.) - Source: https://appshunter.io/ios/app/floodwatch/id386505889 (this page in markdown: same URL + `.md`) - Developer: [Brian Deshong](https://appshunter.io/developer/386505892) - Category: Weather, Utilities - Price: Free with in-app purchases - Rating: 4.70/5 from 280 App Store ratings · 58 written reviews indexed - Age rating: 4+ - Requires: iOS 26.0 · 13 MB - Languages: American English - Released: 2010-08-17 - Data updated: 2026-08-29 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/floodwatch/id386505889/reviews.md ## What is FloodWatch? Whether you live near a river, enjoy kayaking or fishing, or simply want to stay informed about potential flooding, FloodWatch keeps you connected to the latest conditions across the United States. Powered by data from the US Geological Survey (USGS) and National Weather Service (NWS), FloodWatch helps you monitor rivers and streams with precision and confidence. Key Features • Real-Time River Data – Track current river height, discharge, precipitation, and water temperature from thousands of USGS gauges nationwide. • Historical Trends & Graphs – Visualize how river levels, streamflow, rainfall, and temperature change over time. • Favorites List – Save your most important gauges for instant access to the latest readings. • Nationwide Coverage – Explore data for rivers and streams throughout the U.S., including flood-stage information from NWS. • Flood Awareness – Keep watch on flood-prone areas and monitor rising waters before they become a threat. • Great for Recreation – Check water conditions before heading out to fish, paddle, or swim. Only USGS gauges with real-time data capabilities are included, so you’ll always get the most accurate and up-to-date information available. Whether you’re safeguarding your property, planning your next river trip, or simply fascinated by hydrology, FloodWatch gives you the insight to stay prepared when water levels change. ## Key features - Real-time river data - Historical trends and graphs - Favorites list for gauges - Nationwide US coverage - Flood awareness alerts - Recreation water condition checks ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Tip Level 1 | $0.99 | one-time | | Tip Level 2 | $2.99 | one-time | | Tip Level 3 | $5.99 | one-time | | Tip Level 4 | $9.99 | one-time | | Ad Removal | $8.99 | one-time | ## Recent user reviews (10 of 58) All indexed reviews: https://appshunter.io/ios/app/floodwatch/id386505889/reviews.md ### 1/5 — You ruined it. *2026-06-03, version 2.0.6* You people have ruined what once was a great tool. Can not move map to look for other monitor sites. Map keeps coming back to my location. I don’t want alphabetical order I want west to east order like I had it setup before you changed it. Please advise, send phone number for consultation. ### 5/5 — Súper *2026-04-03, version 2.0.4* Excellent app ### 4/5 — Layout change *2026-02-23, version 2.0.3* I used the old layout style very often (im a fisherman) Not sure why the layout changed, but I don’t like it. I’d rather know the CFS instead of water height ### 4/5 — Very intuitive *2025-07-15, version 1.12.3* Is there a way to add alerts to the app if what you are monitoring surpasses a certain height? ### 5/5 — Great app. Responsive developer. *2022-12-01, version 1.12.0* Works just like it says on the tin. Sent in a feedback request and received a thoughtful and personal response rather than a generic “thanks for your suggestion” reply. ### 5/5 — Love the Home Screen widgets *2022-09-21, version 1.11.6* Can you add Lock Screen widgets that are compatible with IOS 16? ### 1/5 — Too many adds *2020-10-09, version 1.10.0* App won’t let you look at the data shoves adds down your throat while you drown minus 100 stars ### 1/5 — Good App Gone Bad *2020-09-09, version 1.10.0* This was an almost perfect app. It provided the data I needed for the several streams I needed to watch. The ads were obtrusive, but tolerable. It has lately become entirely unusable. It provides the data for the top site in my list, but if I try to select any other site, it launches a loud bright full-page animated ad that cannot be cancelled for ten or fifteen seconds. When it is cancelled, you go back to the data for the original site. In other words, the $9 ad-free ransom the developer is demanding is essential to view more than one site. Thanks but no thanks! ### 1/5 — Paid for ad free twice. *2020-08-31, version 1.10.0* This app has been useful to me for a long time as I live in a flood zone. It doesn’t do much, and what it does do is not in real time, but it’s helpful. However, over the years the ads have gotten more and more intrusive. They take over the screen and it requires closing and reopening the app. I think developers deserve to get paid, either by users or advertising, but not both. I’ve given this dude $1.99 on at least two occasions to no effect. Mind you, there have never ever been any added features. He simply converts 3 data points from the USGS and makes it work on a mobile platform. I should ask for my money back. I’ve bought a real rain gauge and will check the creek height using a device with larger screen. I would have thought the app had been abandoned, but dev is selling more ads all the time and has updated enough to work on iOS 13. ### 3/5 — Needs to update automatically *2020-06-05, version 1.10.0* Good app but would be nice to have the favorites list update automatically and send out notifications when reaching flood stage. ## Frequently asked questions about FloodWatch ### What does FloodWatch do? FloodWatch provides real-time data on river and stream conditions across the United States. It allows users to monitor river height, discharge, precipitation, and water temperature, drawing information from the US Geological Survey (USGS) and National Weather Service (NWS). ### What are the key features of FloodWatch? Key features include real-time river data from thousands of USGS gauges, historical trends and graphs to visualize changes over time, a favorites list for quick access to important gauges, nationwide coverage with flood-stage information, flood awareness alerts, and checks on water conditions for recreational activities. ### Is FloodWatch free to use? The application is free to download and use, but it does offer in-app purchases and contains advertisements. This model allows for broad access to its features while supporting ongoing development and data provision. ### What kind of data does FloodWatch use? FloodWatch primarily uses real-time data from USGS gauges across the United States that have data capabilities. It also incorporates flood-stage information from the National Weather Service (NWS) to provide comprehensive flood awareness. ### Who would benefit from using FloodWatch? FloodWatch is beneficial for anyone living near a river, enjoying outdoor activities like kayaking or fishing, or simply wanting to stay informed about potential flooding. It's also useful for property owners looking to safeguard their homes and for those fascinated by hydrological data. ## Version history (last 5 releases) ### 2.0.7 — 2026-06-07 - Bug fixes and performance improvements ### 2.0.6 — 2026-05-23 - Fixed a bug where some gauges would not load - Fixed a bug where the map would snap back to your location after panning ### 2.0.5 — 2026-05-11 Bug fixes and performance improvements ### 2.0.4 — 2026-03-16 Bug fixes and performance improvements ### 2.0.3 — 2026-01-01 Bug fixes and performance improvements ## Apps similar to FloodWatch | App | Rating | Price | Category | | --- | --- | --- | --- | | [Rivercast: River Levels USA](https://appshunter.io/ios/app/rivercast-river-levels-usa/id545375951) | 4.7 (11,133) | Free | Weather | | [Riffle: River Gauges & Weather](https://appshunter.io/ios/app/riffle-river-gauges-and-weather/id1662402139) | 4.2 (11) | Free | Weather | | [RiverApp - River levels](https://appshunter.io/ios/app/riverapp-river-levels/id667012473) | 4.8 (5,028) | Free | Weather | | [Rivers.run - River Levels](https://appshunter.io/ios/app/riversrun-river-levels/id1552809249) | 4.4 (28) | Free | Weather | | [Floodzilla](https://appshunter.io/ios/app/floodzilla/id6448645748) | 5.0 (3) | Free | Weather | | [River Levels & Flows](https://appshunter.io/ios/app/river-levels-and-flows/id1508808963) | 4.6 (2,628) | $2.99 | Weather | ## Related topics [floodwatch](https://appshunter.io/ios/topics/floodwatch) · [flood map](https://appshunter.io/ios/topics/flood-map) · [floodwatch india](https://appshunter.io/ios/topics/floodwatch-india) · [ellicott city floodwatch](https://appshunter.io/ios/topics/ellicott-city-floodwatch) · [flood](https://appshunter.io/ios/topics/flood) · [rivercast](https://appshunter.io/ios/topics/rivercast) · [flood zone](https://appshunter.io/ios/topics/flood-zone) · [flood monitor](https://appshunter.io/ios/topics/flood-monitor) · [statewide monitoring](https://appshunter.io/ios/topics/statewide-monitoring) · [blue liner flows](https://appshunter.io/ios/topics/blue-liner-flows) · [noaa river levels](https://appshunter.io/ios/topics/noaa-river-levels) · [ecoflow river](https://appshunter.io/ios/topics/ecoflow-river) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*