Submitted by Anonymous on Wed, 03/04/2015 - 11:04 Definition Ponds or pools with additional storage capacity to attenuate surface runoff during rainfall events.ﾠ Retention time of runoff can provide the capacity to remove pollutants through sedimentation and opportunity for biological uptake of nutrients. - Based on Stella definitions, adapted by NWRM project experts and validated by the European Commission Links Relation type Narrower Concept Natural Water Retention Measure References CIRIA, 2007. The SUDS Manual. C697| Themes urban area Full Context Pathway(aka Context) Default view Area(aka Level or Site) ALL