Waters defined and protected under the Water Resources Act 1991. Any relevant territorial waters that extend seaward for 3 miles from the baselines, any coastal waters that extend inland from those baselines to the limit of the highest tide or the freshwater limit of any river or watercourse, any enclosed dock that adjoins coastal waters, inland fr
Found on http://www.encyclo.co.uk/local/20453
Controlled waters are the UK's natural waters. These are rivers and streams, lakes and lochs, estuaries, coastal waters and groundwaters.
Found on http://www.encyclo.co.uk/local/20546
are rivers, streams, estuaries, canals, lakes, ponds, ditches and groundwater as far out as the UK territorial limit. Most legislation relating to discharges of effluent (other than to sewer) applies to controlled waters. The statutory definition of controlled waters is given in the Water Resources Act 1991, section 104 (1) and COPA 1974
Found on http://www.epaw.co.uk/EPT/glossary.html
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