Water Turbidity
Benchmark Value
Scoring Curve
This curve shows how a field measurement for this indicator would score across all available benchmark forms in this context. The scoring engine uses 5 benchmarks together — the OptimalRange form drives the primary score, while 4 guard(s) constrain the result.
Contributing Benchmarks
Evidence & Context
The optimal range for water turbidity in a well-managed urban waterway within a tropical monsoonal savanna can be defined as 0–4 NTU.
Optimal turbidity range in NTU for high ecosystem health in urban tropical monsoonal savanna waterways.
Range of turbidity values considered optimal for maintaining high ecosystem health in the specified context.
This range is based on the absence of a lower critical threshold and the established upper benchmark of <4 NTU, supported by ecological impact studies.
Sources (2)
Determining Tipping Points and Responses of Macroinvertebrate Traits to Abiotic Factors in Support of River Management - PMC - PubMed Central, accessed July 25, 2025,
View SourceWater quality objectives for the Darwin Harbour Region, accessed July 25, 2025,
View SourceSupporting Sources (2)
Additional references from the underlying research that informed this benchmark.
Queensland Water Quality Guidelines (QWQG), accessed July 25, 2025,
View SourceDarwin Harbour water quality report 2021 | Department of Lands ..., accessed July 25, 2025,
View Source