Singapore Standards Water Analysis

Water Analysis as per Singapore Municipality Specifications and WHO Guidelines.

Singapore Standards Water Analysis
Parameters	Unit	WHO Guideline ValueNote (1)	Environmental Public Health (Water Suitable for Drinking) (No.2) Regulations 2019	GB	Average	Range	Compliance	Compliance to GB
Benzene	µg/L	10	10	10	<1	<1	ü	ü
Benzo[a] pyrene	µg/L	0.7	0.7	0.01	<0.07	<0.07	ü	ü
Boron	mg/L	2.4	2.4	1	0.267	0.006 -0.496	ü	ü
Bromate	mg/L	0.01	0.01	0.01	<0.002	<0.002 – 0.003	ü	ü
Bromodichloromethane	µg/L	60	60	60	6	<5 -16	ü	ü
Bromoform	µg/L	100	100	100	<5	<5-8	ü	ü
Cadmium	µg/L	3	3	5	<0.2	<0.2	ü	ü
Calcium	mg/L	–	–		16	5 – 62	–	–
Carbofuran	µg/L	7	7	7	<0.05	<0.05	ü	ü
Carbon Tetrachloride	µg/L	4	4	2	<0.4	<0.4	ü	ü
Chlorate	mg/L	0.7	0.7	0.7	0.141	<0.043 – 0.447	ü	ü
Chlordane (total isomers)	µg/L	0.2	0.2		<0.02	<0.02	ü	ü
Chloride	mg/L	–	–	250	27	<5 – 117	–	–
Chlorine	mg/L	5	5	≥0.05	2.19	1.36 – 2.91	ü	ü
Chlorite	mg/L	0.7	0.7	0.7	<0.015	<0.015	ü	ü
Chloroform	µg/L	300	300	60	11	<5-42	ü	ü
Chlorotoluron	µg/L	30	30		<0.05	<0.05	ü	ü
Chlorpyrifos	µg/L	30	30	30	<0.1	<0.1	ü	ü
Chromium	mg/L	0.05	0.05	0.05	<0.005	<0.005	ü	ü
Copper	mg/L	2	2	1	<0.002	<0.002-0.005	ü	ü
Cyanazine	µg/L	0.6	0.6		<0.2	<0.2	ü	ü
Cyanide	mg/L	–	0.07	0.05	<0.03	<0.03	ü	ü
Cyanogen chloride (as cyanide)	µg/L	–	70		<50	<50	ü	ü
Cylindrospermopsins (Total)	µg/L	0.7	–		<0.1	<0.1	ü	ü
2,4-D (2,4-dichlorophenoxyacetic acid) in free acid form	µg/L	30	30	30	<0.05	<0.05	ü	ü
2,4-DB [4-(2,4-Dichlorophenoxy)butyric acid]	µg/L	90	90		<0.05	<0.05	ü	ü
DDT and metabolites	µg/L	1	1	1	<0.01	<0.01	ü	ü
Di(2-Ethylhexyl) phthalate	µg/L	8	8	8	<1	<1	ü	ü
1,2-Dibromo-3-Chloropropane (DBCP)	µg/L	1	1		<0.1	<0.1	ü	ü
Dibromoacetonitrile	µg/L	70	70		<7	<7	ü	ü
Dibromochloromethane	µg/L	100	100	300	<5	<5 – 9	ü	ü
Dibromoethane, 1,2- (Ethylene Dibromide)	µg/L	0.4	0.4	0.05	<0.05	<0.05	ü	ü
Dichloroacetate	µg/L	50	50	80	7	<5 – 25	ü	ü
Dichloroacetonitrile	µg/L	20	20		<1	<1-2.79	ü	ü
Dichlorobenzene, 1,2-	µg/L	1000	1000	300	<1	<1	ü	ü
Dichlorobenzene, 1,4-	µg/L	300	300	300	<1	<1	ü	ü
Dichloroethane, 1,2-	µg/L	30	30	30	<2	<2	ü	ü
Dichloroethene (cis & trans), 1,2-	µg/L	50	50	30,50	<5	<5	ü	ü
Dichloromethane	µg/L	20	20	20	<3	<3	ü	ü
Dichloropropane, 1,2-	µg/L	40	40		<1	<1	ü	ü
Dichloropropene, 1,3-	µg/L	20	20		<2	<2	ü	ü
Dichlorvos	µg/L	–	20	1	<0.02	<0.02	ü	ü
Dicofol	µg/L	–	10		<0.01	<0.01	ü	ü
Dichlorprop	µg/L	100	100		<0.05	<0.05	ü	ü
Dimethoate	µg/L	6	6	6	<0.1	<0.1	ü	ü
Dioxane, 1,4-	µg/L	50	50		<1	<1	ü	ü
Diquat	µg/L	–	30		<2.5	<2.5	ü	ü
Endrin	µg/L	0.6	0.6		<0.01	<0.01	ü	ü
Epichlorohydrin	µg/L	0.4	0.4	0.4	<0.1	<0.1	ü	ü
Ethylbenzene	µg/L	300	300		<1	<1	ü	ü
Edetic acid (EDTA-Ethylene Diamine Tetraacetic Acid) in free acid form	µg/L	600	600		<1	<1	ü	ü
Fenoprop (2,4,5-TP; 2,4,5-trichlorophenoxy propionic acid)	µg/L	9	9		<0.05	<0.05	ü	ü
Fluoride	mg/L	1.5	0.7	1	0.46	0.32-0.58	ü	ü
Glyphosate and Aminomethylphosphonic acid (AMPA)	µg/L	–	900	700	<5	<5	ü	ü
Hexachlorobutadiene	µg/L	0.6	0.6	0.6	<0.01	<0.01	ü	ü
Hydroyatrazine	µg/L	200	200		<0.5	<0.5	ü	ü
Isoproturon	µg/L	9	9		<0.05	<0.05	ü	ü
Iron	mg/L	–	–	0.3	0.003	<0.003 – 0.020	–	–
Lead	µg/L	10	10	10	<0.5	<0.5	ü	ü
Lindane	µg/L	2	2	2	<0.01	<0.01	ü	ü
Malathion	µg/L	–	900	250	<0.02	<0.02	ü	ü
MCPA (4-Chloro-2-methylphenoxyacetic acid)	µg/L	–	700		<0.05	<0.05	ü	ü
Mecoprop [MCPP; 2-(2-methyl-chlorophenoxy) propionic acid]	µg/L	10	10		<0.05	<0.05	ü	ü
Mercury, in inorganic form	µg/L	6	6	1	<0.03	<0.03	ü	ü
Methoxychlor	µg/L	20	20		<0.01	<0.01	ü	ü
Metolachlor	µg/L	10	10		<1	<1	ü	ü
Microcystin-LR	µg/L	–	1	1	<0.1	<0.1	ü	ü
Microcystins (Total)	µg/L	1	–		<0.5	<0.5	ü	ü
Molinate	µg/L	6	6		<0.6	<0.6	ü	ü
Monochloramine	mg/L	3	3		2.01	1.25 – 2.12	ü	ü
Monochloroacetic acid (chloroacetic acid)	µg/L	20	20		<10	<10	ü	ü
Manganese	mg/L	0.08	0.4	0.1	<0.002	<0.002 – 0.012	ü	ü
Magnesium	mg/L	–	–		0.27	<0.027-2.02	–	–
Molybdenum	mg/L	–	0.07	0.07	<0.004	<0.004- 0.004	ü	ü
Nickel	mg/L	0.07	0.07	0.02	<0.003	<0.003- 0.006	ü	ü
Nitrate (as N)	mg/L	11	11	10	0.07	<0.01 – 0.83	ü	ü
Nitrilotriacetic acid (NTA)	µg/L	200	200		<1	<1	ü	ü
Nitrite (as N)	mg/L	0.9	0.9	1	<0.01	<0.01-0.04	ü	ü
Nitrate plus nitrite combined	units	1	1		<0.011	<0.011 – 0.045	ü	ü
N-Nitrosodimethylamine (NDMA)	ng/L	100	100	100	<2	<2 – 2.8	ü	ü
Pendimethalin	µg/L	20	20		<1	<1	ü	ü
Pentachlorophenol	µg/L	9	9	9	<0.5	<0.5	ü	ü
Perchlorate	µg/L	70	70	70	<2	<2	ü	ü
Permethrin, where used as a larvicide for public health purposes	µg/L	–	300		<2	<2	ü	ü
Pyriproxyfen	µg/L	–	300		<0.05	<0.05	ü	ü
Saxitoxins (Total)	µg/L	3	–		<0.1	<0.1	ü	ü
Selenium	µg/L	40	40	10	<0.5	<0.5	ü	ü
Simazine	µg/L	2	2		<0.2	<0.2	ü	ü
Styrene	µg/L	20	20	20	<2	<2	ü	ü
Sulphate	mg/L	–	–	250	6	1.4 – 67	–	–
Silica (as SiO2)	mg/L	–	–		0.87	0.18 – 6.12	–	–
Sodium	mg/L	–	–	200	15.7	1.6 – 41	–	–
Terbuthylazine (TBA)	µg/L	7	7		<0.7	<0.7	ü	ü
Tetrachloroethene	µg/L	100	40	40	<1	<1	ü	ü
Toluene	µg/L	700	700	700	<5	<5	ü	ü
Trichloroethene	µg/L	8	20	20	<1	<1	ü	ü
Trichlorophenol, 2,4,6-	µg/L	200	200	200	<1	<1	ü	ü
2,4,5-T (2,4,5-Trichlorophenoxyacetic acid)	µg/L	9	9		<0.05	<0.05	ü	ü
Trichloroacetate	µg/L	200	200	100	<5	<5 – 20	ü	ü
Trifluralin	µg/L	20	20	20	<1	<1	ü	ü
Total Trihalomethanes Ratio	units	<1	<1	<1	<0.2	<0.2 – 0.42	ü	ü
Total Organic Carbon (TOC)	mg/L	–	–	5	0.8	<0.1 – 1.7	–	–
Total Alkalinity (as CaCO3)	mg/L	–	–		39	9 – 69	–	–
Total Hardness (as CaCO3)	mg/L	–	–	450	41	13- 162	–	–
Total Phosphorous (as P)	mg/L	–	–		0.007	<0.003 – 0.029	–	–
Uranium	µg/L	30	30	30	0.004	<0.001 – 0.013	ü	ü
Vinyl Chloride	µg/L	0.3	0.3	1	<0.1	<0.1	ü	ü
Xylenes	µg/L	500	500	500	<15	<15	ü	ü