The Water Supply (Water Quality) (Scotland) Amendment Regulations 1991

Regulation 13(b)

SCHEDULE 1 TABLES TO BE INSERTED IN SCHEDULE 2 TO THE PRINCIPAL REGULATIONS

“Table 2: Sampling frequencies at consumers' taps

Parameters	Water Supply Zone Volume distributed (m3d) for domestic purposes (and, if water is supplied for food production purposes, for those purposes)	Population Supplied	Sampling Frequency Reduced		(number per annum)
			Ground Water	Surface water	Standard	Increased
Turbidity } Temperature } Hydrogenion } Nitrate } Nitrite } Ammonium } Iron } Aluminium } Manganese } Colour }	≤100	≤500			4	12
	101–1000	501–5000			4	12
	1001–2000	5001–10000			4	12
	2001–4000	10001–20000	4	4	6	24
	4001–7000	20001–35000	4	5	10	36
	7001–10000	35001–50000	4	5	10	48

Table 2A: Sampling frequencies at consumers' taps

Parameters	Water Supply Zone Volume distributed (m3d) for domestic purposes (and, if water is supplied for food production purposes, for those purposes)	Population Supplied	Sampling Frequency Reduced		(number per annum)
			Ground Water	Surface water	Standard	Increased
Odour (quantitive) } Taste (quantitave) }	≤100	≤500	1		4	12
	101–1000	501–5000	1		4	12
	1001–2000	5001–10000	1		4	12
	2001–4000	10001–20000	1		6	24
	4001–7000	20001–35000	1	4	10	36
	7001–10000	35001–50000	2	5	10	48”

Regulation 14

SCHEDULE 2

“INFORMATION FOR LOCAL AUTHORITIES WATER SUPPLKY ZONE (NAME OF ZONE)

Parameter	No. of samples taken in period	PVC(1) (including unit of measurement)	% of samples contravening PVC(2)	Concentration or Value (all samples)
				Min.	Mean	Max.
Notes (1) PVC=prescribed concentration or value specified in Schedule 1. For zones for which a relaxation has been authorised under regulation 4, the extent to which the prescribed concentration or value for the parmeter in question is authorised to be relaxed should also be recorded, in parenthesis. (2) For zones for which a relaxation has been authorised under regulation 4, this column should record the percentage of samples contravening the relaxed concentration or value specified in the authorisation.

Commentary on Water Quality

Action taken to comply with section 76E(4)(b) undertakings”