Translations:Wasseraufbereitung und Grauwassernutzung/813/en

Country	EU	DE	UK	CA	USA	AU
Standard	Bathing water quality Directive 2006/7/EC [1]	DWA-M 277 Recommendations for construction of systems for handling and usage of greywater and greywater partial flows [2]	Greywater systems – BS 8525-1:2010 for spray applications [3]	Canadian Guidelines for Domestic Reclaimed Water for Use in Toilet and Urinal Flushing [4]	NSF/ANSI 350 – 2014 Onsite Residential and Commercial Water Reuse Treatment Systems [5]	Class A reclaimed water quality objectives (EPA Victoria) [6]
BOD5 (mg/L)		< 5		Median 10 Maximum 20	Median 10 Maximum 25	< 10
TSS (mg/L)				Median ≤ 10 Maximum ≤ 20	Median 10 Maximum 30	< 5
PH		6.5 - 9.5	5 - 9.5		6.0 - 9.0	6 - 9
UV-Transmission		> 60 %
Turbidity (NTU)		< 2	< 10	Median 2 Maximum 5	Median 2 Maximum 5	< 2
Colour					Zu messen
Odour					Non-offensive
Oily film and foam					Non-detectable
Dissolved oxygen %O2		> 50
Residual chlorine (mg/L)			< 2.0	≥ 0.5	≥ 0.5 - ≥ 2.5 (or equivalent disinfection)	1 (or equivalent disinfection)
Residual bromine (mg/L)			0.0
Sodium adsorption ratio (SAR)					Measured and reported only
Total coliforms		< 10,000/100 mL	10	Median non-detectable Maximum 200 cfu/100 mL
E.coli	500-1000 cfu/100 mL (Inland waters) 250-500 cfu/100 mL (Coastal and transistional waters)	< 1,000/100 mL	Non-detectable	Median non-detectable Maximum 200 cfu/100 mL	Median 2.2/100 mL Maximum 200/100 mL	< 10/100 mL
Legionalla pneumophila		10/100 mL
Intestinal enterrococci	200-400 cfu/100 mL (Inland waters) 100-200 cfu/100 mL (Coastal and transistional waters)		Non-detectable
Pseudomonas aeruginosa		< 100/100 mL
Helminths						< 1 helminth/L
Protozoa						< 1 protozoa/50 litres
Virus						< 1 virus/50 litres