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Smarter Flood Monitoring

The easiest-to-install flood detection system with real-time data anyone can
view, share, and act on.

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Trusted Across 18 U.S. States

HDR ENGINEERING

Hohonu allowed engineering decisions to be confidently made and gave the client real event data to better understand the reasoning behind those decisions.
 

SAN FRANCISCO
PARKS & REC

Hohonu has been great in helping us bring data online to our many boaters and for dredging activities. The overall installation was painless and the design is military tough for the saltwater environment.

LEE COUNTY
PUBLIC SAFETY

For the first time, we are starting to get data which will lead to more resilient and better prepared communities. We are proud to partner with Hohonu to deploy this first set of devices in Southwest, Florida.

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Who We Serve

Hohonu helps flood decision-makers act with confidence. We deliver real-time, ground-truth water data that supports smarter planning, faster response, and greater resilience for the communities you serve.

Emergency Management & Public Safety

Close roads before they flood and allocate resources in real time.

Environmental Protection & Planning

Protect coastlines and meet compliance goals with transparent, defensible data.

Public Works, Stormwater, & Engineering

Design resilient infrastructure with hyperlocal flood data that supplement models.

Ports &
Operators

Keep vessels moving and ports productive with real-time depth and water level intelligence. 

3 MILLION+ HOURS OF MONITORING ACROSS 200 LOCATIONS AND 18 STATES

Why Hohonu More
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Designed for Every Type of Flood

Every flood is different - Hohonu monitors them all.  Real-time visibility across all flooding types provide communities with the insight they need to prepare, respond, and recover.

Tidal Monitoring

Track daily tides and nuisance flooding events that federal gauges sometimes miss.

Urban Flash Flooding

Detect sudden surges in urban stormwater systems in real time.

Compound Events

Monitor when storm surge and rainfall interact

River & Inland Flooding

Extend coverage beyond the coast with hyperlocal data from rivers, lakes, and watersheds.

From Sensors to Strategy

Ground-truth measurements power the entire platform, making dashboards, forecasts, and analytics more accurate and actionable.

Suite of Robust Sensors

Low-cost ultrasonic and radar technologies for daily and extreme event monitoring over water or over land.

Seamless Workflow Integrations

​Directly connect with NWS, ArcGIS/ESRI, and other systems—or embed live data on your own website with just a line of code.

Public Live Maps

Real-time, public dashboard and mobile app that keep communities informed and build trust.

Strategic Planning & Response

An expanding suite of tools - from threshold analyses to forecast calendars - to enable confident decision-making

Hotline Consultant

SUPPORT

Highest Standards for
Site Selection, Installation, Maintenance

Our experienced field specialists and robust documentation
empower almost anyone to capture and share high-quality water data

 

Meet the Team

50+ Years of Collecting Environmental Data

With The Latest Engineering Technologies

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3 Million Hours of
Protecting Coastal Communities

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