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  • MAF 4071994-2000Ministry of Agriculture, Fisheries and Food: Flood and Coastal Defence Division, River and Coastal Engineering Group: Internal Drainage Board Database

    This series consists of statistical data captured by the Ministry of Agriculture, Fisheries and Food for every Internal Drainage Board (IDB) in England from annual returns provided by the boards. The data primarily relates to the finances of IDBs and the preparation of water level management plans for Sites of Special Scientific Interest (SSSIs) in IDB districts.

    The IDB datasets contain the following information for each IDB. Except for the preliminary information on special levies (item 9 below), all of the data relates to IDBs' activities in the previous financial year:

    • 1. The name of the IDB and the name of the relevant National Rivers Authority/Environment Agency region, in cases where the functions of an IDB had been transferred to the NRA or, from 1996 onwards, to the Environment Agency (the NRA's successor).
    • 2. Details of the IDB's drainage district (its area, the extent of the catchment area, the area of rated agricultural land, the number of sub-districts and the number of SSSIs in the district).
    • 3. Technical information about the length of the IDB's drains and culverts, the number of pumping stations, the area of the drainage district which was pump drained, the estimated amount of water pumped in the year, and the mean rainfall in the catchment area.
    • 4. Details of the IDB's personnel: the number of full-time and part-time administrative and manual staff, and the cost of consultancy services.
    • 5. Details of the IDB's income from drainage rates, from special levies on local authorities (data is given for each local authority), contributions from the NRA/Environment Agency, contributions from local authorities, 'rechargeable works' undertaken by the IDB for other bodies and persons, and from other sources.
    • 6. Details of the IDB's expenditure on 'revenue contributions towards capital expenditure' for drainage and establishment purposes, on loan repayments and charges, contributions to the NRA/Environment Agency, the maintenance of watercourses, the operating costs of pumping stations, administrative staff costs, establishment charges, 'rechargeable works' and other current expenses.
    • 7. Details of the IDB's capital expenditure (on new works and improvements, plant, office equipment and other expenditure), and the sources of finance for capital expenditure (government grants, loans, revenue contributions and other sources).
    • 8. Information about drainage rates: the total annual value of agricultural land and buildings subject to drainage rates, the number of rate assessments and the amount of rate levied.
    • 9. Preliminary information on special levies to be issued on local authorities in the current financial year, including the total amount to be levied, the proportion of the IDB's expenses which are to be raised by special levies, and the amount to be levied on each local authority.

    If an IDB's drainage district was divided into sub-districts in order to levy differential drainage rates or issue differential special levies, the datasets record the following information for each sub-district:

    • 1. The sub-district's name and reference number.
    • 2. The total income from special levies in the sub-district.
    • 3. The total annual value of agricultural land and buildings subject to drainage rates.
    • 4. The number of rate assessments.
    • 5. The rate in the £ levied.
    • 6. Preliminary information on special levies to be issued in the current financial year (the amount of special levy per local authority and the proportion of the sub-district's expenses which are to be raised by special levies).

    If an IDB district included one or more SSSI, the 1994/95 and 1995/96 datasets include the following data for each SSSI:

    • 1. Its name, total area, area located within the IDB district, and location (expressed as a National Grid Reference).
    • 2. Any additional protective designation affecting the site (e.g. Special Protection Area, Ramsar site, National Nature Reserve, candidate Special Area of Conservation).
    • 3. Whether water levels can be controlled in all or part of the SSSI, and if not, the reasons for this.
    • 4. Information about the status of preparation of a Water Level Management Plan and Interim Management Statement for the site: e.g. the target date for completion of the WLMP if the plan was recorded as 'in preparation' or 'required but no action taken'.

    The datasets in this series are available to download. Links to individual datasets can be found at piece level.