# RiverWatch

> Near real-time NOAA river stage levels, streamflow rates, and 3-day hydrograph trends.

Canonical page: [https://chrome-stats.com/d/riverwatch](https://chrome-stats.com/d/riverwatch)

## Overview

- **ID:** `riverwatch`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** MrJordanRoth
- **Category:** feeds-news-blogging,alerts-updates
- **Daily users:** 1
- **Version:** 1.0.3
- **Last updated:** 2026-09-06
- **First published:** 2026-09-03
- **Size:** 492 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/riverwatch/)

## Description

Stay updated on local river conditions instantly without searching complex web pages. RiverWatch brings near real-time NOAA river stage levels, discharge streamflow rates, and 3-day trend charts directly to your Chrome toolbar.

Whether you are planning a kayaking trip, checking fishing conditions, or keeping an eye on rising flood waters near your home, RiverWatch gives you the critical water data you need in a single click.

KEY FEATURES

• Live Toolbar Icon Badge: View the current river stage height directly on your browser icon. The badge color updates automatically based on official NOAA flood severity (Normal, Action, Minor, Moderate, or Major Flood).
• Interactive 3-Day Hydrograph: Hover over the high-resolution trend chart to inspect precise stage measurements and exact observation timestamps over the past 72 hours.
• Stage & Streamflow Metrics: Get instant access to current gauge height (ft) and discharge streamflow rates (kcfs).
• Official NOAA Flood Thresholds: Displays station-specific Action, Minor, Moderate, and Major flood stage levels at a glance.
• Custom Station Selection: Monitor any 5-character NOAA/NWSLI river gauge in the United States (e.g., WLGW2, PITP1).
• Dark & Light Themes: Clean visual design that seamlessly adapts to Dark Mode, Light Mode, or your System Default settings.
• Lightweight & Fast: Built on Manifest V3 with smart 15-minute local caching to deliver instantaneous popup load times without slowing down your browser or draining battery.

HOW TO USE
<ol><li>Click ⚙ Settings to enter your local 5-character NWSLI gauge code (e.g., WLGW2).</li><li>Click the RiverWatch icon anytime to check current water conditions and 3-day trends.</li><li>Click ↗ NOAA to open the official full webpage for your selected station.</li></ol>

## Rankings

- #99,002 — Overall
- #94 — overwatch

## Permissions and access

### Permissions

- `storage`
- `alarms`

### Host permissions

- `https://api.water.noaa.gov/*`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Request access to the following domains: noaa.gov
- This extension was recently updated in the past month. New updates may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/riverwatch)