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Pinellas County Public Works Empowering Flood Readiness

Pinellas County uses Hohonu's public-facing dashboard and the county's Esri dashboard to align emergency managers, public works staff, and residents during flood events.

The biggest thing that drew us to Hohonu was how readily available the data is. We can provide links to the public, integrate it into our dashboards, and use it in real time without jumping through hoops.​

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- Rob Burnes, Project Manager for Public Works

The Story

Pinellas County deployed 13 Hohonu sensors to simplify how they monitor flooding across multiple departments. ​

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Hohonu’s own dashboard remains the go-to for quick mobile checks, while ArcGIS serves as the central flood status map for Emergency Management (EOC) and Public Works staff during storms. The result: faster decisions, fewer false alarms, and a common operating picture that makes coordination easier across departments.

13 Sensors

Tidal creeks, bottlenecks, and inland flood zones

<1 Hour

Per Installation

5 Minutes

Refresh rate into ArcGIS dashboards

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Pinellas County integrated Hohonu's real-time data into its internal dashboard, making flood risks easy to see, share, and communicate across departments

Problem

  • Flood-prone hotspots across the county needed real-time monitoring.

  • Tidal creeks can rise very rapidly with storm surge, threatening homes and roads., threatening homes and roads.

  • Without a widespread and reliable gage network, Public Works had to rely on models and weather forecasts to estimate potential flooding impacts.

  • Critical decisions for road closures were made without complete information.

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Hohonu's turnkey dashboard and mobile app provide easy access out in the field

Stakeholders

  • Emergency Management (EOC) – depends on clean, timely updates from Public Works for external communications and coordination

  • Pinellas County Public Works – operating the network, managing integrations with ArcGIS, and for internal operations like jump staging, signage, road closures

  • Residents – relying on timely and accurate flood status reports from Pinellas County

Outcomes

  • 13 Hohonu sensors now provide real-time data at critical tidal and inland sites.

  • Public Works can set thresholds that reflect local roads and structures, reducing false alarms.

  • Common operating picture across departments and the public, improving communication and response during storms.

Solution

  • Deployed a sensor network covering tidal creeks, bottlenecks, and flood-prone roads.

  • Reliable, high-frequency data that updates every few minutes and is easy to integrate.

  • A system that works in the field and at the EOC - Hohonu’s dashboard for mobile checks, plus data feeding county systems.

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