Best Usgs Water Data Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated September 2026

Out of 250+ usgs water data apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Usgs Water Data Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Rivercast: River Levels USARivercast: River Levels USAFree4.7★ (11K)YesYesSep 2026
2RiverApp - River levelsRiverApp - River levelsFree4.8★ (5K)NoYesSep 2026
3River Levels & FlowsRiver Levels & Flows$2.994.6★ (2.6K)NoNoSep 2026
4Blue Liner FlowsBlue Liner FlowsFree4.7★ (39)NoYesSep 2026
5Water SnapshotWater SnapshotFree5.0★ (1)NoYesSep 2026
6Flow AlertFlow AlertFreeNoAug 2026
7EyeOnWaterEyeOnWaterFree4.7★ (41K)NoNoSep 2026
8MTR: Water Treatment ReportingMTR: Water Treatment ReportingFree4.4★ (58)NoNoAug 2026

Top Picks for Usgs Water Data

Rivercast: River Levels USA#1

Rivercast: River Levels USA by Juggernaut Technology, Inc.

NOAA Forecasts & Flood Alerts
Editor's Choice
☀️ Weather
4.7😊(11K ratings)
FreeAdsIn-App Purchases
Rivercast: River Levels USA screenshot 1
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Rivercast: River Levels USA screenshot 6

Monitor river levels, flow rates, and flood warnings with real-time data and forecasts. Get custom alerts for your favorite waterways and visualize trends with interactive graphs. Essential for anyone living, working, or recreating near water.

What We Love

  • 🚀 Great app
  • 👍 Easy to navigate
  • 👍 Helpful for monitoring river levels
  • 👍 Useful for fishing and boating
  • 👍 Accurate and up-to-date information
  • 👍 Necessary for those living near rivers
  • 👍 Excellent customer support

Room to Improve

  • 🐛 Data not always up-to-date
  • 🔒 Paid subscription required for full functionality
  • 🔒 Can't view more than 30 hours of data without premium
  • 🔒 Have to pay for each device
  • 🔒 Charging for free data available elsewhere
RiverApp - River levels#2

RiverApp - River levels by Florian Bessiere

Real-time river conditions
Strong Contender
☀️ Weather
4.8😊(5K ratings)
FreeIn-App Purchases
#73in Weather
RiverApp - River levels screenshot 1
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Access real-time water levels, flows, and temperatures for rivers worldwide. Ideal for sports enthusiasts and professionals, it offers detailed maps, navigability information, and customizable alerts for over 40,000 hydrometric stations.

What We Love

  • 👍 Easy to use
  • 🗺️ Comprehensive coverage of rivers
  • 📊 Useful data and visualizations
  • 🔔 Helpful alerts and notifications
  • 💰 Affordable premium upgrade

Room to Improve

  • 🐛 Occasional inaccurate or outdated information
  • 🔍 Missing some important river gauges
  • 💬 Lack of communication from developers
  • 🗺️ Incorrect geographic information for some areas
River Levels & Flows#3

River Levels & Flows by LW Brands, LLC

USGS River Levels & Flows
Worth Considering
☀️ Weather
4.6😐(2.6K ratings)
$2.99
#22in Weather
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Access real-time USGS and AHPS river level and flow data. Receive push notifications for flood status and view weather prediction charts for significant river flood outlooks and precipitation forecasts.

What We Love

  • 👍 Landscape mode for iPads
  • 🚀 Excellent customer support
  • 📊 Impressive data visualization
  • 🔍 Useful for monitoring river levels
  • 🔔 Helpful push notification feature

Room to Improve

  • 🔍 Limited gauge coverage
  • 🔢 Lack of customization options
  • 📊 Inaccurate or outdated data
  • 🤔 Overly complex for basic usage
  • 💰 Poor value for the price

More Usgs Water Data apps to explore

FAQ about Usgs Water Data

What are the best usgs water data apps for iPhone?
Rivercast: River Levels USA tops our usgs water data apps ranking as of September 2026, with a 4.7-star average from 11K App Store ratings, and it's free to download.
Yes — 19 of the top usgs water data apps we rank are free to download, including Rivercast: River Levels USA and RiverApp - River levels.
Rivercast: River Levels USA shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ usgs water data apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Rivercast provides official flood warnings and alerts from the National Weather Service, river stage height in feet, and river flow rate in CFS when available. It also displays color indicators for river status (normal, rising, flooding), current observations, recent history, and NOAA river forecasts.
The app offers custom push notification alerts that can be set when a river reaches your chosen level. Additionally, the interactive map color-codes river gauges to indicate whether they are at normal levels, approaching flood stage, or above flood stage.