ICW (Icosa Water Ltd)

Report Data Range: For the whole year 2021

Table 9: Quality of water at consumer’s tap (zones) – European Standards

Parameter Name	Parameter Code	Prescribed Concentration or Value	Total Number of Tests	Tests Failed	1 Percentile (representing a minimum)	99 Percentile (representing a maximum)	No. of zones failing standard
1 2-Dichloroethane (Total)	F001	3 µg/l	41	0	<0.16	<0.16	0
Antimony	B008A	5 µg Sb/l	41	0	<0.07	0.3	0
Arsenic (Total)	B001A	10 µg As/l	41	0	0.12	0.73	0
Benzene (Total)	F002	1 µg/l	41	0	<0.06	<0.09	0
Benzo[a]Pyrene (Total)	D007	0.01 µg/l	41	0	<0.00039	<0.0006	0
Boron	D005A	1 mg B/l	41	0	0.0138	0.141	0
Bromate	F003	10 µg BrO3/l	41	0	<0.15	1.6	0
Cadmium (Total)	B002	5 µg Cd/l	41	0	<0.01	<0.03	0
Chromium (Total)	B004	50 µg Cr/l	41	0	<0.04	1.36	0
Copper (Total)	A024A	2 mg Cu/l	41	0	<0.0004	0.739	0
Cyanide (Total)	B003	50 µg CN/l	41	0	<1.2	<5.5	0
E coli (faecal coliforms Confirmed)	C002	0 number/100 ml	124	0	0	0	0
Enterococci (Confirmed)	C003	0 number/100 ml	42	0	0	0	0
Fluoride (Total)	A027	1.5 mg F/l	41	0	0.06	0.18	0
Lead (10 – will apply 25.12.2013)	B007B	10 µg Pb/l	41	0	0.02	0.95	0
Mercury (Total)	B005	1 µg Hg/l	41	0	<0.06	<0.06	0
Nickel (Total)	B006A	20 µg Ni/l	41	0	<0.18	6.39	0
Nitrate (Total)	A012	50 mg NO3/l	42	0	<2.11	41	0
Nitrite – Consumer’s Taps	A013A	0.5 mg NO2/l	42	0	<0.002	0.002	0
Nitrite/Nitrate formula	A013C	1 mg/l	42	0	0	0.82	0
Pesticides (Total by Calculation)	B010	0.5 µg/l	42	0	0	0.042	0
Pesticides 2 4-D	P020	0.1 µg/l	13	0	<0.012	<0.012	0
Pesticides 2,3,6-Tba	P074	0.1 µg/l	5	0	<0.009	<0.01	0
Pesticides Aldrin	P002	0.03 µg/l	8	0	<0.005	<0.008	0
Pesticides Atrazine	P004	0.1 µg/l	22	0	0	0.01	0
Pesticides Atrazine Desisopropyl	P212	0.1 µg/l	1	0	<0.007	<0.007	0
Pesticides Benazolin (Total)	P138	0.1 µg/l	1	0	<0.011	<0.011	0
Pesticides Bentazone	P006	0.1 µg/l	27	0	<0.002	<0.004	0
Pesticides Boscalid	P231	0.1 µg/l	4	0	<0.009	<0.011	0
Pesticides Carbetamide	P010	0.1 µg/l	12	0	<0.008	<0.01	0
Pesticides Chlormequat	P163	0.1 µg/l	5	0	<0.003	<0.003	0
Pesticides Chlorpyrifos (Chlorpyriphos Ethyl)	P017	0.1 µg/l	4	0	<0.016	<0.016	0
Pesticides Chlortoluron	P014	0.1 µg/l	1	0	<0.07	<0.07	0
Pesticides Clopyralid	P018	0.1 µg/l	10	0	<0.011	0.016	0
Pesticides Cyanazine	P092	0.1 µg/l	4	0	<0.006	<0.007	0
Pesticides Cyproconazole	P207	0.1 µg/l	4	0	<0.007	<0.008	0
Pesticides Desethylatrazine	P182	0.1 µg/l	1	0	0.024	0.024	0
Pesticides Dicamba	P025	0.1 µg/l	8	0	<0.012	<0.014	0
Pesticides Dichlorprop	P026	0.1 µg/l	8	0	<0.011	<0.017	0
Pesticides Dieldrin	P028	0.03 µg/l	12	0	<0.005	<0.009	0
Pesticides Diflufenican	P157	0.1 µg/l	4	0	<0.07	<0.09	0
Pesticides Diuron	P032	0.1 µg/l	15	0	<0.009	<0.01	0
Pesticides Epoxyconazole	P217	0.1 µg/l	4	0	<0.005	<0.006	0
Pesticides Flufenacet	P230	0.1 µg/l	9	0	<0.008	<0.009	0
Pesticides Fluroxypyr	P040	0.1 µg/l	9	0	<0.009	<0.012	0
Pesticides Flutriafol	P039	0.1 µg/l	10	0	<0.005	<0.005	0
Pesticides Glyphosate	P042	0.1 µg/l	9	0	<0.005	<0.005	0
Pesticides Heptachlor	P043	0.03 µg/l	12	0	<0.004	<0.005	0
Pesticides Heptachlor Epoxide – Total (Trans, CIS) (Heptachlor Epoxide)	P044	0.03 µg/l	8	0	0	0	0
Pesticides Isoproturon	P048	0.1 µg/l	1	0	<0.005	<0.005	0
Pesticides Linuron	P051	0.1 µg/l	4	0	<0.007	<0.012	0
Pesticides MCPA 4-chloro-o-tolyloxyacetic acid	P054	0.1 µg/l	14	0	<0.008	<0.012	0
Pesticides MCPB	P055	0.1 µg/l	6	0	<0.018	<0.018	0
Pesticides MCPP (Mecoprop)	P053	0.1 µg/l	18	0	<0.007	0.009	0
Pesticides Metaldehyde	P226	0.1 µg/l	24	0	<0.007	0.009	0
Pesticides Metazachlor	P203	0.1 µg/l	14	0	<0.006	0.009	0
Pesticides Monuron	P113	0.1 µg/l	4	0	<0.007	<0.007	0
Pesticides Pendimethalin	P118	0.1 µg/l	9	0	<0.009	<0.02	0
Pesticides Pentachlorophenol	P060	0.1 µg/l	4	0	<0.015	<0.02	0
Pesticides Propiconazole	P068	0.1 µg/l	14	0	<0.007	<0.007	0
Pesticides Propyzamide	P071	0.1 µg/l	15	0	<0.007	0.011	0
Pesticides Quinmerac	P244	0.1 µg/l	14	0	<0.006	0.007	0
Pesticides Simazine	P073	0.1 µg/l	16	0	<0.004	0.008	0
Pesticides Spiroxamine	P239	0.1 µg/l	5	0	<0.006	<0.006	0
Pesticides Tebuconazole	P177	0.1 µg/l	10	0	<0.005	<0.009	0
Pesticides Tri-allate	P079	0.1 µg/l	4	0	<0.005	<0.006	0
Pesticides Triclopyr	P131	0.1 µg/l	17	0	<0.015	<0.028	0
Pesticides Trietazine	P132	0.1 µg/l	13	0	<0.004	<0.006	0
Polycyclic Aromatic Hydrocarbons (Total by Calculation)	B011F	0.1 µg/l	41	0	0	0.01	0
Selenium (Total)	B009	10 µg Se/l	41	0	<0.08	1.54	0
Trichloroethene & Tetrachloroethene – Sum Of 2 Substances (Total by Calculation)	D009B	10 µg/l	41	0	0	0	0
Trihalomethanes (Total by Calculation)	D011	100 µg/l	41	0	1.73	83.24	0
Totals			1549	0

Table 10: Quality of water at consumer’s tap (zones) – National Standards

Parameter Name	Parameter Code	Prescribed Concentration or Value	Total Number of Tests	Tests Failed	1 percentile (representing a minimum)	99 percentile (representing a maximum)	No. of zones failing standard
Aluminium (Total)	A021	200 µg Al/l	42	0	<6.9	19.7	0
Colour	A001	20 mg/l Pt/Co	45	0	<2.8	<2.9	0
Iron (Total)	A022	200 µg Fe/l	42	0	<0.07	29.5	0
Manganese (Total)	A023	50 µg Mn/l	42	0	<0.085	3.11	0
Odour	A003	0 Dilution number at 25°C	45	0	0	0	0
Sodium (Total)	A009	200 mg Na/l	41	0	9.72	68	0
Taste (Taste Quant)	A004	0 Dilution number at 25°C	45	0	0	0	0
Tetrachloromethane (Total)	D008	3 µg/l	41	0	<0.13	<0.16	0
Turbidity	A002	4 NTU	46	0	<0.13	0.25	0
Totals			389	0

Table 11: Quality of water at consumer’s tap (zones) – Additional Monitoring Requirements

Parameter Name	Parameter Code	Prescribed Concentration or Value	Total Number of Tests	Tests exceeding specification	1 percentile (representing a minimum)	99 percentile (representing a maximum)
Ammonium (Total)	A014	0.5 mg NH4/l	42	0	<0.008	0.094
Chloride	D002A	250 mg Cl/l	41	0	20.7	95.7
Clostridum Perfringens (Sulphite-reducing Clostridia) (Confirmed)	C004A	0 number/100 ml	42	0	0	0
Coliform Bacteria (Indicator)	C001A	0 number/100 ml	124	1	0	6
Colony Counts After 3 Days At 22øc (Colony Counts)	C007	No abnormal change	46	N/A	0	351
Colony Counts After 48 Hours At 37øc (Colony Counts)	C013	No abnormal change	46	N/A	0	494
Conductivity (Electrical Conductivity)	D001	2500 µS/cm at 20°C	46	0	366	921
Gross Alpha	F004	0.1 Bq/l	27	0	<0.018	<0.045
Gross Beta	F005	1 Bq/l	27	0	<0.018	0.6
Hydrogen ion (pH) – Indicator (Hydrogen ion) (pH)	A006	6.5 – 9.5 pH Value	45	0	7.07	8.01
Residual Disinfectant – Total	C010	No abnormal change	123	N/A	0.0572	0.864
Sulphate	A007	250 mg SO4/l	41	0	7.43	116
Total Organic Carbon	A017	No abnormal change	41	N/A	0.3	2.6
Tritium	F006	100 Bq/l	27	0	<5.6	<10
Totals			718	1