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Maintaining clean waters

Water Quality Monitoring

Water quality monitoring provides continuous or periodic assessment of aquatic health for public safety and ecology. Key parameters include temperature, salinity/conductivity, dissolved oxygen, pH, turbidity, nutrients, chlorophyll, and contaminants. These results guide management, compliance, and restoration across coastal, oceanic, and inland waters.
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Boat gliding across the open ocean

Water quality monitoring safeguards public health and aquatic ecosystems to uncover pollution trends, guide treatment strategies, and ensure compliance with environmental standards.

Clean water is essential for life and industry. Monitoring temperature, dissolved oxygen, pH, and turbidity provides actionable data to detect contamination, manage resources, and protect ecosystems. These insights help regulators and communities maintain safe drinking water and healthy aquatic environments amid growing environmental pressures.

Water quality challenges

Overcoming Risks in Water Quality Monitoring with Reliable Solutions

Monitoring water quality is complex due to multiple stressors acting simultaneously—nutrient spikes, turbidity, and contaminants create sharp gradients that demand high-resolution data. Instruments face biofouling, power limits, and harsh conditions, risking data gaps and compliance failures. Sea-Bird Scientific tools deliver accurate measurements of temperature, salinity, pH, oxygen, and nutrients with proven stability, ensuring defensible records for public safety and ecosystem health.
Oceanographer using SBE 37 MicroCAT CTD

Our most trusted water quality monitoring solutions

See all products for water quality monitoring
HydroCAT-EP V2 Multiparameter CTD Sensor
Factory calibration and streamlined reference checks enable users to generate scientifically...
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SUNA V2
The SUNA V2 is the ultimate solution for real-time nutrient monitoring. This sensor measures...
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Deep SeapHOx™ V2 pH Sensor
The Deep SeapHOx™ V2 combines the SeaFET™ V2 pH sensor with the SBE 37 MicroCAT CTD sensor. The...
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Making an impact

How our solutions are shaping water quality monitoring

Discover how government, academic, and industry leaders use Sea-Bird Scientific instruments to advance research, monitor ecosystems, and shape global water policy.
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Case Study
02.01.24
Understanding the Implications of the Lahaina Wildfire on Coastal Water Quality
This case study was developed in partnership with Dr. Andrea Kealoha, Assistant Professor at the University of Hawaii Department of Oceanography, along with Dr. Craig Nelson, Dr. Nick Hawco, and Dr. Eileen Nalley.
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An image of a wave on shore
Case Study
05.01.17
Long-Term Water Quality Monitoring Deployments with the Sea-Bird HydroCAT-EP
Sea-Bird Scientific’s HydroCAT-EP was deployed for 3.5 months in Shilshole Bay, Puget Sound, Washington, to evaluate its long-term water quality monitoring capabilities under moderate to high biofouling conditions. The instrument demonstrated high accuracy and stability in measuring parameters like dissolved oxygen, temperature, conductivity, pH, turbidity, and chlorophyll, with minimal maintenance required.
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Case Study
04.01.18
SeaExplorer Glider Sets Endurance Record with a Sea-Bird Scientific Glider Payload CTD
Sea-Bird Scientific’s Glider Payload CTD (GPCTD) was deployed on a SeaExplorer glider for a record-setting 60-day, 1,183 km mission in the Mediterranean Sea, demonstrating exceptional endurance and data quality.
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Case Study
03.01.17
Real-Time Data from NOAA PMEL Ocean Climate Station Moorings
On September 19th 2009, the center of Typhoon Choi-Wan passed 40 km to the southeast of KEO, capturing the upper-ocean response to strong atmospheric forcing (Bond et al., 2011). Here we will describe how inductive mooring systems are the optimal platform for observing these processes in real-time.
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