Page 13 - Water Pollution Management - Silty Water Treatment - Preventing Discharge

Tier 3 - Sediment controls

Treatment systems designed to recover suspended

particles from water, prior to release into the

environment.

For example:

• Gravity operated settlement tanks

• Gravity operated settlement lagoons

• Can be operated on a continuous basis

• May be used on small, medium and large flows.
• Particularly applicable for use on sites with soil particles of medium silt or greater.

• May not be effective in the recovery of colloidal, clays or fine silts.

The Third Line of Defence

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