Translations:Wasseraufbereitung und Grauwassernutzung/813/en

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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