The Private Water Supplies (Scotland) Regulations 2006

Duty of relevant person in relation to disinfection

5A

Where a relevant person disinfects a private water supply for human consumption purposes, the relevant person must—

• (a) where necessary, subject the water to sufficient preliminary treatment to prepare the water for disinfection; and

• (b) design, operate and maintain the disinfection process so as to keep disinfection by-products as low as possible without compromising the performance of the disinfection process.

Additional notification of consumers

18A

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Application and introduction of substances and products

5B

Where a relevant person, in the preparation or distribution of a private water supply for human consumption purposes, applies any substance or product to, or introduces any substance or product into, the water which is to be supplied for those purposes, the person must take all measures necessary to ensure that, in doing so, the water supplied does not, at its point of use, contain the substance or product, or any impurity associated with the substance or product, at a concentration or value which would make the water unwholesome.

Monitoring: radon, total indicative dose and tritium

SCHEDULE 2A — MONITORING OF RADIOACTIVE SUBSTANCES

General principles and monitoring frequencies

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Radon

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tritium

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total indicative dose

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Water treatment

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Averaging

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCHEDULE 5A — MONITORING FOR TOTAL INDICATIVE DOSE AND ANALYTICAL PERFORMANCE CHARACTERISTICS

Monitoring for compliance with the total indicative dose

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Screening for certain radionuclides or for an individual radionuclide

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Screening for gross alpha activity and gross beta activity

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Calculation of the total indicative dose

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance characteristics and methods of analysis

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• (1) When undertaking or reviewing and updating a risk assessment for the purposes of regulations ... 27, a monitoring local authority shall do so in accordance with the provisions of this Schedule.

• (2) A risk assessment shall comprise the following–

• (a) documentation on and a description of the private water supply, including the catchment from which the supply draws water;

• (b) a hazard assessment and risk characterisation;

• (c) an identification of the measures by which risks may be controlled; and

• (d) establishment of verification procedures,

and for the purposes of this paragraph, “hazard” means a biological, chemical, physical or radiological agent that has the potential to cause harm or danger to human health; and “risk” means the likelihood of identified hazards causing harm in exposed populations in a specified time, including the magnitude of that harm and/or the consequences of such harm.

• (3) In respect of a private water supply which comprises, either alone or in any combination thereof, catchments, surface water or ground water, the risk assessment shall include provision in relation to the relevant matters specified in Table A of this Schedule.

• (4) In respect of a private water supply which receives treatment, including treatment at source and at any point thereafter, the risk assessment shall make provision in relation to the relevant matters specified in Table B of this Schedule.

• (5) In respect of a private water supply which comprises intermediate tanks and distribution, the risk assessment shall include provision in relation to the relevant matters specified in Table C of this Schedule.