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River and Waterway pH Monitoring

Efficient, reliable and quick solution for maintaining water quality through comprehensive pH monitoring and data analysis.

  • Enhanced water quality management

  • Near Real-time pH level monitoring

  • Improvements in data accuracy and reliability

  • Reduced water quality management costs.

Solution

The River and Waterway pH Monitoring Solution provides near-real-time hydrogen ion activity (pH), oxidation-reduction potential (ORP/Redox optional), water temperature, and acidity/alkalinity pollution alerts for natural rivers, streams, agricultural runoff channels, and urban waterways without the expense or complexity of traditional wired telemetry. Engineered for continuous outdoor field deployment in raw surface water, the system arrives fully pre-configured out of the box to automatically stream encrypted sensor telemetry directly to the Ellenex Software Platform.

   

This IoT-driven surface water quality solution offers key operational benefits:

  • Zero-Touch Plug-and-Play Setup: Shipped fully pre-programmed for immediate field deployment in under 5 minutes without requiring local software programming, driver downloads, or developer configurations.   

  • Flexible Dual LPWAN Wireless Protocols: Choice of LoRaWAN (ideal for private catchment networks or remote environmental reserves with zero ongoing airtime fees) or NB-IoT / LTE-M (for direct-to-tower public cellular connectivity across spread-out municipal river networks).   

  • Industrial-Grade Potentiometric Precision: Utilizes a combination glass electrode element to measure pH across 2 to 12 pH and optional ORP (-1000 to +1000 mV) with integrated temperature compensation.   

  • Submersible Heavy-Duty Construction: Built with an IP68-rated submersible, corrosion-resistant sensor head paired with an IP68 UV-stabilized transmitter enclosure designed for raw surface water conditions.   

  • Low Total Cost of Ownership: Powered by an internal replaceable 3.6V Lithium battery combined with ultra-low-power firmware management to achieve maintenance-free operational lifespans of up to 10 years.   

  • Rapid Capital Return: Accelerates ROI by eliminating manual water grab sampling, detecting illegal chemical discharges early, preventing aquatic habitat destruction, and automating regulatory reporting. Learn More

River and Waterway pH Monitoring
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Easy Install

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Pre-Configured

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Secure

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Quick ROI

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Rugged Design

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Battery Operated

Our River and Waterway pH Monitoring Solution provides a comprehensive approach to efficient water quality management and watershed protection. By leveraging cutting-edge technology in industrial-grade potentiometric pH sensors and long-range wireless telemetry, environmental agencies, mining operators, and municipal water authorities can track, control, and optimize water chemistry in real time. The result is a future-proof solution that not only addresses current operational challenges—detecting sudden chemical spills and tracking watershed acidification—but also adapts to the changing demands of environmental compliance, ultimately protecting natural aquatic ecosystems, public health, and water security.   

Connecting river catchments, agricultural discharge ditches, and municipal drainage systems to a central digital network transforms static surface water bodies into an intelligent water quality monitoring network. By streaming continuous pH and ORP telemetry directly to a cloud dashboard, environmental engineers gain complete visibility over watershed chemical balances while eliminating spatial sampling blind spots.  


Resource Sustainability

Continuous pH and ORP tracking directly protects aquatic ecosystems by detecting acid mine drainage, chemical runoff, and industrial wastewater spills before irreversible ecological damage occurs. Monitoring real-time acidity and alkalinity shifts allows environmental response teams to locate illegal discharge points upstream and take corrective action before sensitive fish species and plant life are harmed. Automating remote water sampling cuts down routine field inspection drives, conserving vehicle fuel and lowering operational carbon emissions. 


Compliance Assurance


Automated continuous data logging from IP68 potentiometric pH probes creates an unalterable, audit-ready digital ledger of river chemistry, oxidation levels, and water temperature. Replacing periodic manual grab-sampling with automated telemetry delivered directly to the Ellenex Software Platform enables industrial plants, mining operations, and municipal utilities to effortlessly demonstrate adherence to regional environmental discharge permits and EPA surface water quality standards.   

Battery-Powered River And Waterway pH Monitoring With LoRaWAN® Or NB-IoT / LTE-M Connectivity For Environmental And Municipal Networks.   


Core Operational Capabilities

  • Combination pH and Redox Sensing Element

  • IP68 Weatherproof Sensor

  • IP66 UV-Protected Enclosure

  • Up to 10-Year Battery Life

  • Cloud / API / SCADA Integration



Revolutionizing River and Waterway pH Monitoring with Ellenex IoT Sensors

WQ-RR-PH
Purple Podiums

Rapid and precise monitoring of pH levels in water bodies is a critical factor in protecting our aquatic ecosystems and ensuring safe water supplies. Innovative technologies like IoT can transform this task, allowing for near real-time, efficient, and accurate data collection.

Industrial Outdoor LoRaWAN Gateway Specifications

For customers deploying the LoRaWAN package, the high-performance industrial gateway provides complete self-managed coverage. It is pre-configured to forward packet data to the Ellenex Platform.

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System Architecture

The integrated Solution telemetry platform is designed around a dual-LPWAN (Low Power Wide Area Network) hardware architecture, giving operators the flexibility to deploy either LoRaWAN or cellular-based (supporting NB-IoT and LTE Cat M1) network configurations depending on local infrastructure and regional topology. Both communication technologies represent the cutting edge of industrial IoT, designed to penetrate challenging physical barriers and achieve multi-kilo meter propagation distances while maintaining extremely low electrical current draws.

 

The Ellenex telemetry pipeline follows a streamlined 4-step end-to-end data flow designed to give customers total choice over their network infrastructure and software platform:

  1. Sensor: The single Ellenex battery-powered field device directly measures physical parameters, digitizes analog signals, applies factory calibration parameters, packages telemetry into AES-128 encrypted payloads, and manages low-power sleep modes within a unified unit. Learn More:

  2. Wireless Infrastructure Options:

    • Option A (LoRaWAN Option): Transmits sub-GHz radio packets to an Ellenex Pre-Configured Outdoor Gateway. The gateway acts as a transparent Layer-1/Layer-2 RF-to-IP bridge. Learn More

    • Option B (Cellular NB-IoT / LTE-M Option): Transmits encrypted telemetry directly across licensed 3GPP cellular networks to public mobile base station towers. Learn More.​​

River and Waterway pH Monitoring

   3. Network Core & Data Routing Layer: Encrypted sub-GHz packets are securely routed from the gateway to the Ellenex Network               Server (LNS). The LNS manages crucial network functions—including device authentication, payload decryption, and frame                   deduplication—ensuring clean, secure sensor data is seamlessly delivered to Ellenex Software Platform.

   4. Data Processing & Platform Visualization: All telemetry is ingested, decoded, and visualized seamlessly within the Ellenex Cloud           Software Platform. The software transforms raw sensor data into actionable insights through real-time dashboards, historical trend         analysis, threshold alerting, and device health management.

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Connectivity & Visualisation Platform

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With its advanced features and ease of use, Ellenex’s software platform enables effective monitoring and management of remote operations—ensuring efficient, sustainable, and reliable resource management.

  • Encrypted ultra-low power communication protocol.

  • Advanced device inventory​.

  • Integration of APIs for enterprise systems.

  • Multi-tenant role-based access control.

  • Data export and import.

  • White-label platform for enterprise runs on private accounts.

  • Variable alarm setting for high and low thresholds and multi-channel alerting.

  • Sampling and transmission interval configuration.

  • Transmission condition configuration.

  • Other configurations and customizations available on request.

Ellenex's software platform is a comprehensive, user-friendly solution specifically designed for remote monitoring and management.
The platform offers a robust range of features tailored for off grid, distributed, and critical operations, including:

  • Real-Time Data Visualization: Monitor live operational status, levels, and key metrics across all your locations from a centralized dashboard.

  • Customizable Alerts & Notifications: Receive instant warnings for threshold breaches, sudden drops, or anomalous activity before minor issues become costly failures.

  • Historical Data Analysis & Predictive Analytics: Track consumption patterns, analyze usage trends, and forecast future demand to optimize maintenance and supply schedules.

  • Seamless System & API Integration: Easily feed raw or aggregated telemetry into your existing enterprise software, SCADA, or ERP systems using Ellenex’s secure Open API.

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Key Benefits

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Ellenex Software Platform Dashboard
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Individual Device Details & Data Analytics View
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Parameter Configuration and GPS Location View
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Device Management Interface
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Historical Data & Performance Analytics 
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Remote Command and Downlink Control Log
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Ellenex Asset Monitoring App

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Custom alert and Notification Setup Interface
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Data Export and Reporting Interface
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Webhook and Data Forwarding Interface
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Sensor Calibration and Formula Configuration 

Integration Options

A core competitive advantage of the solution is its complete pre-configured, plug-and-play design. Both the cellular and LoRaWAN (with local gateway) variants arrive fully configured and ready for connection to the Ellenex platform out of the box, eliminating the complexities of local software setup, sensor programming, or manual network registration.
The end-to-end package includes the following integration characteristics:

 

  • Zero Technical Hassles: No extra power tools, driver setup, or developer configurations are required. Deployment is completed in under 5 minutes.

  • Pre-Configured Gateway Provisioning: The industrial outdoor gateway is pre-commissioned to automatically bind with the Ellenex LNS stack. Once powered via PoE or DC, it immediately discovers sensors, decrypts the payloads, and relays them directly to the centralized cloud dashboard, seamlessly routing data to the Ellenex Platform.

  • Pre-Configured SIM & Connectivity: For NB-IoT deployments, the transmitter is shipped with a pre-configured 4FF Nano-SIM card and active carrier subscription, ready to transmit on regional networks immediately upon power-up.

  • Unified Fleet Visualization: Once powered on, both device variants automatically check in and populate their respective live measurement streams to the user’s centralized mobile app or web dashboard.

Frequently Asked Questions

How does the combination electrode in the River and Waterway pH Monitoring Solution measure hydrogen ion activity in natural streams? 

The sensor houses a combination glass measuring electrode and reference electrode within a single submersible probe. As stream water flows past the glass membrane, a millivolt potential difference develops across the glass bulb proportional to the concentration of hydrogen ions (pH). The internal transmitter digitizes this potential, applies automatic temperature compensation, and transmits the resulting pH reading (and optional ORP in mV) wirelessly to the Ellenex Software Platform.


What field mounting accessories protect the glass pH electrode from river currents and debris impact? 

The IP68 submersible probe is attached to a heavy-duty polyurethane cable and suspended in the water column. In active rivers or streams, installers position the probe inside a slotted protective immersion shield or mounting tube anchored to a bridge abutment or riverbank post. This shield prevents floating debris, stones, and river current pressure from damaging the sensitive glass sensing bulb while allowing continuous water contact.


Why is integrated temperature compensation necessary when measuring pH in natural surface waters?

The electrical output of a glass pH electrode is directly affected by temperature variations according to the Nernst equation. Because natural rivers experience significant daily and seasonal thermal fluctuations, the sensor incorporates an internal temperature sensor within the probe head. The internal microprocessor uses live temperature data to adjust pH calculations dynamically, delivering accurate, standardized pH values across 0 to 50°C water temperatures.


How do environmental officers receive immediate alerts on the Ellenex Software Platform during an acidic spill? 

The Ellenex Software Platform features a multi-channel dynamic notification engine. Operators configure custom lower threshold boundaries (such as a drop below 6.0 pH indicating acid runoff) and upper limits (such as a spike above 8.5 pH indicating alkaline contamination). If water chemistry breaches these set thresholds, the platform dispatches real-time alerts via SMS, email, or mobile app push notifications to trigger immediate containment protocols.


What determines the choice between LoRaWAN and Cellular LPWAN variants for remote river monitoring?

The LoRaWAN option (-L) is ideal for remote river catchments or private industrial campuses where an Ellenex Outdoor Gateway can be deployed to provide long-range, self-managed coverage with zero recurring airtime fees. The Cellular LPWAN option (-N) uses NB-IoT/LTE-M connectivity to transmit directly to public mobile base towers, making it optimal for widely scattered municipal waterways where cellular towers are accessible without installing local gateway infrastructure.


How is sensor calibration managed on the Ellenex Software Platform for field-deployed pH probes? 

Potentiometric pH electrodes undergo natural drift over time due to glass membrane aging and junction exposure. The Ellenex Software Platform includes an intuitive calibration management interface that allows technicians to perform standard buffer calibrations (using pH 4, 7, and 10 buffer solutions) and update offset and slope values remotely without replacing the field transmitter.


What routine servicing keeps the pH probe functioning reliably in raw river water? 

The hardware operates autonomously on an internal 3.6V primary Lithium battery (LiSOCl2) for up to 10 years under standard reporting intervals. Servicing is focused on the probe head: field personnel periodically perform a gentle cleaning of the glass bulb and reference junction using a soft brush or mild cleaning solution to clear algae, bio-film, or sediment deposits that could slow response times.

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