WFD Cycle 2 chemical water body classification
Summary
Chemical status is assessed from compliance with environmental standards for chemicals that are defined as priority substances and/or priority hazardous substances. Chemical status is recorded as ‘good’ or ‘fail’. Chemical status for a water body is determined by the worst scoring chemical (one-out-all-out approach).
Categories
Keywords
Use limitation statement
There are no public access constraints to this data. Use of this data is subject to the licence identified.
Licence
Open Government LicenceAttribution statement
© Environment Agency copyright and/or database right 2015. All rights reserved.
Technical information
- Update frequency
annually
- Lineage
- The Water Framework Directive classification system is risk based and focuses on where there is likely to be a problem. It uses a principle known as "one out, all out", which means the poorest individual results drive the overall classification for a water body. It reports on over 30 quality elements, grouped into ecological status and chemical status. Ecological status includes physico-chem (e.g. nutrients, pH, dissolved oxygen, ammonia) , biological elements (e.g. phytoplankton, macroalgae, fish, invertebrates) , specific pollutants (e.g. metals and compounds, organic compounds) , hydromorphology (e.g. depth, width, flow, structure). Chemical status is assessed using priority substances, priority hazardous substances and other pollutants that present a significant risk to the water environment.
Spatial information
Coordinate reference system
http://www.opengis.net/def/crs/EPSG/0/27700Geographic extent
- Latitude from: 49.943 to 55.816
- Longitude from: -6.236 to 2.072
Metadata information
Language
English
Metadata identifier
42666ef8-3be4-4db3-866f-d293c2166545
Data and Supporting Information
| Data services and download by area of interest | Link | Action |
|---|---|---|
| No data services or resources available. | ||
| Full downloads and supporting documentation | Format | Action |
|---|---|---|
| WFD_SW_Classification_Status_and_Objectives_Cycle2_v3.xlsx | XLSX | Download |