Risk based approach to the regulation of small water supplies in Scotland. Dr Colette Robertson-Kellie David Williamson Scottish Government. Terminology. In Scotland drinking water supplies are either “public” or “private”
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Risk based approach to the regulation of small water supplies in Scotland
Dr Colette Robertson-Kellie
In Scotland drinking water supplies are either “public” or “private”
“The most effective means of consistently ensuring the safety of a drinking water supply is through the use of a comprehensive risk assessment and risk management approach that encompasses all steps in water supply from catchment to consumer”
Type A supplies – duties on local authorities to:
Type B supplies
Dawyck Botanic Garden Supply
Q23: History of livestock?
Q24: Evidence of Wildlife?
Scrape Burn catchment showing signs of erosion on
heather grouse moor at source of the burn
Q30: Forestry activity?
Oil on track
Found after forestry operations
Scrape Burn is down the slope on the
right of the picture - just out of shot
Q40: Supply network constructed from
material liable to fracture?
Air vent and tanks at Dawyck Botanic Garden
drain pipe from tanks
Q41: Intermediate tanks adequately protected?
Scrape Burn showing wind fallen logs
carried by the burn when in spate
Pond formed from Scrape Burn
used as source of drinking
water supply at Dawyck Garden
(Note gravel deposits washed
into the pond during spate flows)
The Implementation of the Private Water Supplies Regulations
private water supplies are of poorer microbiological quality than public supplies