Nitrates - reducing water pollution from agriculture
Description of the methodology applied by the Secretary of State in identifying additional Nitrate Vulnerable Zones in England (2002)
The 2002 methodology was updated during the recent review of NVZs in light of improvements in scientific knowledge. A summary of the revised method was published alongside the 2007 consultation.
A detailed description of the steps taken to identify the 2002 NVZs in England is provided in this document.
1. The document is available as a single pdf file designed for reading on the screen rather than printing (note - the final details of the charts and diagrams do not display well in this version but it will take less time to download).
- Description of methodology - single file (PDF 600 KB)
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Section 1: Summary
Section 2: Introduction (PDF 160 KB)Identification of waters under Article 3(1)
Section 3: Identification of surface freshwaters which are affected by nitrate pollution or which could be so affected (PDF 700 KB )
Section 5: Identification of waters which are eutrophic, or which may become eutrophic - included with Section 6 and Section 7 (see below)
Designation of Nitrate Vulnerable Zones under Article 3(2)
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Page last modified: 21 August 2007
Page published: 27 June 2002
