Guidance

H1 annex J4: groundwater risk assessment for treated effluent discharges to infiltration systems

How to undertake a groundwater risk assessment to support permit applications for the discharge of treated effluent to subsurface infiltration systems.

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This publication been replaced by infiltration systems: groundwater risk assessments.

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Annex J4: groundwater risk assessment for treated effluent discharges to infiltration systems

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Details

This guidance is primarily focused on discharges of treated sewage effluent (domestic and non-domestic) and trade effluent to constructed infiltration systems (drainage fields).

It should be read in conjunction with the Horizontal Guidance Note H1 overview document.

Published 1 November 2011