ASTM C1746/C1746M
Standard Test Method for Measurement of Suspended Sediment Removal Efficiency of Hydrodynamic Stormwater Separators and Underground Settling Devices
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About This Item
ASTM C1746/C1746M is the ASTM standard for measuring suspended sediment removal efficiency in hydrodynamic stormwater separators and underground settling devices. It provides a structured test method for evaluating how these systems perform in removing suspended solids from stormwater flow, which is important for consistent product comparison and performance-based decision-making. For buyers, designers, and manufacturers, this standard helps support more reliable assessment of treatment effectiveness using a recognized technical approach.
ASTM C1746/C1746M standard overview
The full title, Standard Test Method for Measurement of Suspended Sediment Removal Efficiency of Hydrodynamic Stormwater Separators and Underground Settling Devices, shows that the document is focused on testing sediment capture performance rather than general design guidance. ASTM C1746/C1746M is used to define how removal efficiency is measured so results can be compared more consistently across products and test programs. It is especially relevant when performance claims, procurement decisions, or quality control activities depend on repeatable test outcomes.
Where is ASTM C1746/C1746M used?
This ASTM standard is commonly used in stormwater management settings where hydrodynamic separators and underground settling devices are evaluated for sediment removal performance. It may be applied by manufacturers conducting product testing, by engineers reviewing treatment device claims, and by agencies or purchasers seeking a consistent basis for comparison. ASTM C1746/C1746M is most relevant wherever suspended sediment removal is a key performance criterion in stormwater capture and treatment workflows.
Practical importance of ASTM C1746/C1746M
In practice, ASTM C1746/C1746M helps support more consistent and defensible performance evaluation. Using a recognized ASTM test method can improve comparability between devices, reduce ambiguity in product documentation, and support compliance-focused procurement. It is also useful for quality control, because a defined method for measuring suspended sediment removal efficiency can help verify whether a system is meeting expected performance levels under test conditions.
- Suspended sediment removal efficiency
- Hydrodynamic stormwater separators
- Underground settling devices
- Test method consistency
- Performance evaluation
- Publication Date: 2024-07-31
- Publisher: ASTM
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