Inland Water Quality Data Intelligence

WaterSense
City of Wrocław logo

City of Wrocław

A clearer view of water across the river city

Client Story

City of Wrocław
A clearer view of water across the river city

Real-time observations support Wrocław in understanding urban water dynamics and protecting residents, recreation and local ecosystems.

About the city

About the city City of Wrocław

A clearer view of water across the river city

Wrocław’s network of rivers, channels and waterfront areas creates a complex operating environment. Water conditions can differ by location and change rapidly after rainfall, heat or upstream events.

Why We Monitor

One shared view of monitored urban waters
Faster recognition of unusual water-quality changes
Data supporting environmental and recreational planning
Biodiversity
Safe recreation
Climate resilience

Connected WaterSense stations create a shared operational view of selected waters. Live measurements, trends and alerts help teams recognize unusual conditions and coordinate follow-up activities faster.

Measuring

What We Measure

°C↓

Water temperature

Water temperature influences aquatic life, algae growth and oxygen availability.

EC

Conductivity

Indicates the amount of dissolved minerals and salts in the water. Changes may indicate pollution or runoff.

pH

pH

Shows whether the water is acidic or alkaline. Healthy lakes usually remain within a stable natural range.

DO

Dissolved Oxygen

Essential for fish and aquatic organisms. Healthy oxygen levels indicate a thriving ecosystem.

BGA

Blue-Green Algae

Phycocyanin is a cyanobacteria pigment indicator used to detect and track bloom risk before visible blooms develop.

COD

Chemical Oxygen Demand (COD)

Shows the total oxygen demand from organic and inorganic matter and helps identify pollution loads.

BOD

Biochemical Oxygen Demand (BOD)

Shows how much oxygen microorganisms need to break down biodegradable organic matter.

A254

Absorbance

Tracks optical changes linked to dissolved organic matter and sudden shifts in source-water quality.

Cl⁻

Chlorides

Tracks dissolved chloride salts that may indicate runoff, discharge or changing source-water conditions.

m

Depth

Adds vertical context to measurements and helps identify stratification across the water column.

Chl-a

Chlorophyll-a

An indicator of algal biomass used to follow biological productivity and emerging bloom risk.

SCN-

Petroleum-based substances

Petroleum-derived pollutants indicating contamination from fuels, oils or runoff.

NO₃⁻

Nitrates

Elevated nitrate levels may indicate nutrient pollution from wastewater, fertilizers or runoff.

Partners

Our Partners

City of Wrocław logo

City of Wrocław

A clearer view of water across the river city

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