Water Turbidity
Benchmark Value
Scoring Curve
The scoring engine could not generate a curve for this benchmark context. The primary form is CompositeFramework, but the benchmark data may be missing required fields (e.g., optimal range bounds for an OptimalRange benchmark). This is typically a data quality issue in the benchmark pipeline.
Evidence & Context
Based on an analysis of current, site-specific data from well-managed conservation areas within the Australian Alpine and Subalpine Complex, the reference value for water turbidity representing the best available natural condition is: < 2 NTU (Nephelometric Turbidity Units), and often < 1 NTU.
Water turbidity measured in Nephelometric Turbidity Units (NTU), indicating the cloudiness or haziness of water caused by suspended particulate matter.
This benchmark represents the maximum turbidity level of 2 NTU in water within well-managed conservation areas of the Australian Alpine and Subalpine Complex, indicating the best available natural water clarity under minimal disturbance.
The benchmark is derived from multiple monitoring sites within Kosciuszko National Park, demonstrating high environmental health with consistently low turbidity levels.
Sources (2)
NSW Alpine Resorts Environmental Performance Report 2020–21
View SourceKosciuszko National Park's health a mixed diagnosis in first EcoHealth Scorecard
View SourceSupporting Sources (4)
Additional references from the underlying research that informed this benchmark.
Assessment of the Values of Kosciuszko National Park (Chapter 8)
View Source
Kosciuszko National Park's health a mixed diagnosis in first EcoHealth Scorecard
View Source
Using the ANZECC Guidelines and Water Quality Objectives in NSW
View Source
Victorian Water Quality Analysis 2022 Technical Report
View Source