Tag Archives: SuDS

River eutrophication - a reason for nutrient neutrality.

Mitigation Measures for Nutrient Neutrality

What is Nutrient Neutrality? Pollution caused by too many nutrients, particularly nitrogen and phosphorus, in our rivers and estuaries is a big problem for some locations. The nutrients of concern arise from fertilisers, untreated or partially treated sewage and water running off developments (to name a few sources). Natural England therefore has created the “National […]

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stormwater pollutants near drain

SuDS Proprietary Treatment Devices – Key Issues to Consider

Chapter 26, the 2015 SuDS Manual (CIRIA publication C753, Ref 1) presents the Simple Index Approach (SIA) and Mitigation Indices for discharges to surface and groundwater (Tables 26.3 and 26.4). This useful Guidance provides for the adoption of SuDS Proprietary Treatment Devices (PTD), especially DiBT certified devices (Ref 2). Green Infrastructure SuDS components are rightly […]

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