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Screenshots

  • Ellicott City FloodWatch screenshot 1
  • Ellicott City FloodWatch screenshot 2
  • Ellicott City FloodWatch screenshot 3
  • Ellicott City FloodWatch screenshot 4

About Ellicott City FloodWatch

ELLICOTT CITY FLOODWATCH Stay informed and safe with real-time flood monitoring designed specifically for Ellicott City, Maryland residents. With its long history of floods, Ellicott City demonstrates the need for a dedicated tool to help residents monitor flood conditions and stay safe. Ellicott City FloodWatch provides real-time river data, weather alerts, and personalized flood risk assessments - all in one free, privacy-focused app. REAL-TIME RIVER MONITORING - Live water level data from USGS gauges on the Patapsco River - Track conditions at three key locations: Upstream, Main Street, and Downstream - 24-hour historical charts to see trends - Ice-affected data indicators for winter conditions WEATHER & FLOOD ALERTS - Active weather alerts from the National Weather Service - Automatic notifications for severe weather (optional) - Flood-specific alerts highlighted on home page - Property flood risk notifications based on current river levels PERSONALIZED FLOOD RISK ASSESSMENT - Enter your home address to see your property's flood risk level - Risk levels update automatically based on current river conditions - Visual indicators show risk status at a glance - Weather animations on your home display INTERACTIVE FLOOD ZONE MAP - Official FEMA flood zone boundaries - Stream and waterway overlays - Water gauge locations - Emergency high ground markers - Flood mitigation pond locations - Your home location (stored privately on your device) WATER QUALITY DATA - Historical water quality measurements from the Patapsco River - Chemical composition charts - Data from the Water Quality Portal PRIVACY-FIRST DESIGN - Your home address is stored only on your device - never uploaded - No location tracking or analytics - No data selling or sharing - Minimal account information required - Delete your account anytime BUILT FOR ELLICOTT CITY This app is designed specifically for Ellicott City and surrounding areas, using local water gauges and data sources relevant to the community. The app is independently developed and not affiliated with any agency or entity. Questions or feedback? Contact: [email protected]

What’s new

Version 1.1.0 · Updated March 17, 2026

- Improved map - Push notification improvements - Weather animation fixes - UI fixes

App privacy

The developer, Nicholas Bowers, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address
  • Identifiers: User ID, Device ID

Used for: App Functionality

Alternatives to Ellicott City FloodWatch

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