Reports on nitrate levels and tidal flow in St Aubin's Bay (FOI)

​Request

A.

Please can you supply copies of reports and studies carried out on the effects of the reclamation site and the tidal flow and currents in St Aubins bay.

B.

Please can you provide copies of reports and data on the levels of nitrates in St Aubins bay and the surrounding seas.

C.

Please can you provide any reports and data on the nitrate levels emitted from the streams and the effluent out fall into St Aubins bay.

Response

A.

Exemptions and refusals applied to this response

Regulation 2 (1) of the Freedom of Information (Costs) (Jersey) Regulations 2014 allows an authority to refuse a request for information where the estimated cost of dealing with the request would exceed the specified amount of the cost limit of £500. This is the estimated cost of one person spending 12.5 working hours in determining whether the department holds the information, locating, retrieving and extracting the information. To answer this question as specified would take more than 12.5 hours of work; therefore the department is unable to provide the answer to this question.

B.

Response to questions B and C have been combined. The reports and data provided are as follows:

EPSRSD20150907 Outfalls nitrate results St Aubin’s Bay 2012 to 2015

EPSRSD0907 Stream nutrient monitoring 2015

EPSRSD2015008 Fern Valley and SSI nitrate data to 2013 results

EPSRSD20150908 Outfalls nitrate data to 2011

EPRSD20150908 SSI 2014 nitrate data

EPRSD20150909 Total nitrogen regulatory STW data Sea Lettuce Fact Sheet

Estimation of nitrogen and Phosphorus Budgets entering St Aubin’s Bay 1997

Trophic Status of St Aubin’s Bay 1997

An Assessment of Surface Water Quality at Sites of Special Interest and in the Plemont, St Brelade and Waterworks Valley Catchments on the Island of Jersey Volume 1: Report 2006

An Assessment of Surface Water Quality at Sites of Special Interest and in the Plemont, St Brelade and Waterworks Valley Catchments on the Island of Jersey Volume 2: Figures 2006

An Assessment of Surface Water Quality at Sites of Special Interest and in the Plemont, St Brelade and Waterworks Valley Catchments on the Island of Jersey Volume 3: Tables 2006

An Assessment of Surface Water Quality at Sites of Special Interest and in the Plemont, St Brelade and Waterworks Valley Catchments on the Island of Jersey Glossary of statistical terms 2006

Nutrient flux source appointment for St Aubin’s Bay, Jersey Tables 2007

Ressessment of the trophic status of St Aubin’s Bay, Jersey Final Report 2009 to 2010

Ressessment of the trophic status of St Aubin’s Bay, Jersey Figures 2009 to 2010

Ressessment of the trophic status of St Aubin’s Bay, Jersey Tables 2009 to 2010

St Aubin's Bay Sea Lettuce Literature Review 2013

C.

Copies of paperwork you have requested have been prepared and are available for collection from Transport and Technical Services Department, South Hill, St Helier.

Make sure you quote the unique reference number when collecting the data. Opening hours are Monday to Thursday, 8.45am to 5.15pm, Friday 8.45am to 4.45pm. Customer parking is available on site.

Copies of the following reports are available on gov.je:

• Leverett D. (2013). St Aubin’s bay interim water quality report
  
• Atkins Ltd (2014) Challenges for the water environment of Jersey​
  

St Aubin's Bay interim water quality status report

Challenges for the water environment of Jersey