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Standards


 

Quality indicators of water supplied to consumers "Drinking water”. Hygienic requirements and quality control" are set according to the state standard AZS 929:2023. The new standard, approved in April 2023, was developed based on the Water and Health Protocol of the UN Convention on the “Protection and Use of Trans boundary Watercourses and International Lakes”. This standard is designed with the recommendations of the working document presented by the European office of the World Health Organization, Directive 2020/2184 of the European Parliament and of the Council of Europe of 16 December 2020 on the quality of water intended for human consumption, ГОСТ 2874-82, СанПин 2.1.4.1074- 02, USEPA standards in mind.

 

Quality indicators of drinking water

AZS 929:2023 "DRINKING WATER. HYGIENIC REQUIREMENTS AND QUALITY CONTROL" REQUIREMENTS OF STATE STANDARD
Indicator Units of measure Permissible density limits (Values) Damage indicator Threat class
ORGANOLEPTIC INDICATORS
1 Temperature OC ˂20 * *
2 Smell score ˂2 * *
3 Taste  score ˂2 * *
4 Color mq-Pt/l 15 * *
5 Turbidity NTU Consumer: * *
Acceptable to users and without abnormal changes.
At the outlet of each water treatment plant after treatment <3.0;
During the impact of flood waters on source waters <4.0
PHYSICAL - CHEMICAL INDICATORS
6 pH pH unit 6.5-9.5 * *
7 Residual chlorine mg/l Outlet of water containers (at the outlet of water reservoirs - in the water network): 0.3-0.5 organoleptic 3
At the outlet of industrial reservoirs at source (during long-distance transport): 0.5-1.0
8 Combined chlorine mg/l 0.8-1.2 * 3
9 Ozone-O3 (sərbəst) mg/l 0.3 organoleptic *
10 THM (trihalomethane) mg/l 0.1 * *
11 Residual polyacrylamide mq/l 2 * 2
12 Chloroform (during chlorination) mg/l 0.001 sanitary toxicological 2
13 Formaldehyde (during ozonation) mg/l 0.05 sanitary toxicological 2
14 Total roughness Mg/l 350 (500)* * *
15 Total Alkalinity mg-HCO3-/l 400 * *
16 Electrical conductivity µSm/sm ˂2500 * *
17 Total dissolved salts (TDS) mg/l 1000 (1500) * *
18 Dissolved oxygen mg/l O2 5 * *
19 Total suspended solids (TSS) mg/l 1,74 (2,32) * *
20 Dry residue* mg/l 1000 (1500)* * *
21 Permanganate oxidation mg/l 5 * *
22 Petroleum products (total) mg/l 0.1 * *
23 Surfactants (anionic active) mg/l 0.5 * *
24 Phenol Index mg/l 0.25 * *
25 Sodium - Na+ mg/l 200 sanitary toxicological 2
26 Potassium - K+ mg/l 12 * *
27 Lithium - Li+ mg/l 2 sanitary toxicological 2
28 Calsium - Ca2+ mg/l <130 * *
29 Magnesium - Mg2+ mg/l < 65 * *
30 Aluminum - Al3+ mg/l <0,1 (mərkəzləşdirilmiş sistemlər) sanitary toxicological 2
<0,2 (mərkəzləşdirilməmiş sistemlər)
31 Arsenic - As (total amount) mg/l 0.01 sanitary toxicological 2
32 Vanadium - V (total amount) mg/l 0.1 sanitary toxicological 3
33 Iron - Fe (total amount) mg/l 0.3 organoleptic *
34 Manganese - Mn (total amount) mg/l 0.5 organoleptic 3
35 Thallium – Tl (total amount) mg/l 0.0001 sanitary toxicological 2
36 Tritium – T (3H) Bg/l 100 * *
37 Gallium – Ga (total amount) mg/l 0.005 * *
38 Mercury - Hg (total amount) mg/l 0.0005 sanitary toxicological 1
39 Cadmium - Cd (total amount) mg/l 0.001 sanitary toxicological 2
40 Tungsten – W (total amount) mg/l 0.05 sanitary toxicological 2
41 Bismuth – Bi (total amount) mg/l 0.1 sanitary toxicological 2
42 Rubidium – Rb (total amount) mg/l 0.1 sanitary toxicological 2
43 Europium – Eu (total amount) mg/l 0.3 organoleptic - changes taste 4
44 Tin – Sn (total quantity) mg/l 0.005 * *
45 Stibium - Sb (total amount) mq/l 0.02 sanitary toxicological 2
46 Titanium – Ti       (total amount) mq/l 0.02 * *
47 Zinc - Zn2+ mg/l 5 organoleptic 3
48 Nickel*** - Ni (total amount) mg/l 0.07 sanitary toxicological 3
49 Cobalt – Co (total amount) mg/l 0.1 sanitary toxicological 2
50 Chrome*** - Cr3+ mg/l 0.05 sanitary toxicological 3
51 Chrome*** - Cr6+ mg/l 0.05 sanitary toxicological 3
52 Barium*** - Ba2+ mg/l 1.3 * 2
53 Molybdenum - Mo (total amount) mg/l 0.25 sanitary toxicological 2
54 Silver – Ag (Total amount) mg/l 0.05 sanitary toxicological 2
55 Selenium*** - Se (total amount) mg/l 0.04 * 2
56 Lead*** - Pb (Total amount) mg/l 0.01 * 2
57 Beryllium - Be2+ mg/l 0.012 * 1
58 Copper*** - Cu+2 mg/l 1 * 3
59 Silica – Si (Total amount) mg/l 10 sanitary toxicological 2
60 Strontium - Sr2+ mg/l 7 * 2
61 Boron*** - B (total amount) mq/l 2.4 * 2
62 Phosphorus – P (total amount) mq/l 0.0001 sanitary toxicological 1
63 Niobium – Nb (total amount) mq/l 0.01 sanitary toxicological 2
64 Tellurium – Te (total amount) mq/l 0.01 sanitary toxicological 2
65 Samarium – Sm (total amount) mq/l 0.024 sanitary toxicological 2
66 Carbonate mg/l 100 * *
67 Hydrocarbonate mg/l 1000 * *
68 Ammonia - NH3+ (based on N) mg/l 0.5 sanitary toxicological 3
69 Ammonium salts- NH4+ mq/l 0.5 * *
70 Chlorides - Cl- mg/l 350 organoleptic 4
71 Chlorites - ClO2- mg/l 0.7 organoleptic 3
72 Chlorates- ClO3- mg/l <0,25 organoleptic - changes taste 3
73 Tetrachloride - Cl4- mg/l 5 sanitary toxicological 2
74 Nitrite - NO2- mq/l 3 organoleptic 2
75 Nitrate - NO3- mq/l 50 sanitary toxicological 3
76 Rhodanide ion - CNS- mq/l 0.1 sanitary toxicological 2
77 Sulphate - SO42- mq/l 500 organoleptic 4
78 Peroxosulfates (persulfate) mq/l 0.5 organoleptic 2
79 Sulphide - S- (hydrogen sulphide) mq/l 0.05 organoleptic 4
80 Hydrosulfide ion - HS- mq/l 3 organoleptic 2
81 Hydrogen peroxide - H2O2 mq/l 0.1 sanitary toxicological 2
82 Hexanitrocobalt mq/l 1 organoleptic 2
83 Ferrocyanide mq/l 1.25 organoleptic 2
84 Fostats - PO4-3 mq/l 3.5 organoleptic 3
85 Uranium - U (total amount) mq/l 0.03 * *
86 Fluorides - F- mg/l 1.5 sanitary toxicological 2
87 Bromides - Br- mg/l 0.2 sanitary toxicological 2
88 Bromates mq/l 0.03 * *
89 Iodides - J- mq/l 0.125 * *
90 Cyanides (CN-) mg/l 0.5 * 2
91 Polyphosphates (based on PO4-3) mq/l 3.5 * 3
92 Total organic carbon (TOC) mq/l 30 * *
93 Total Pesticides mg/l 0.0005 * *
94 Haloacetic acids-HAAs mq/l 0.06 * *
95 Karbon tetraxlorid mg/l 0.004 sanitary toxicological 2
96 Tetrachloroethene mg/l 0.1 * *
97 Trichloroethene mg/l 0.008 * *
98 Acrylamide mg/l 0.0005 sanitary toxicological 2
99 N-nitrosdimethylamine (NDMA) mg/l 0.0001 * *
100 Vinyl chloride mg/l 0.0005 * *
101 Total ʆ radioactivity Bk/l 0.5 radiation *
102 Total ꞵ radioactivity Bk/l 1 radiation *
MİKROBİOLOJİ GÖSTƏRİCİLƏR
103 Pathogenic intestinal bacteria (E-coli - Escherichia coli) KYV/100 ml 0 * *
104 Total coliform intestinal bacteria KYV/100 ml 0 * *
(E-coli mikroorqanizlər aşkarlanmaması şərti ilə<10) * *
105 Enterococcus KYV/100 ml 0 * *
106 Total microbial count 22°C KYV/1 ml Anormal dəyişikliksiz * *
107 Total microbial count 37°C KYV/1 ml 100 * *
108 Clostridium perfringensspores including KYV/100 ml 0 * *
109 Pseudomonas KYV/100 ml 0 * *
110 Lyablİa KYV/50 ml 0 * *

 

 

Bakı şəhəri, Abşeron yarımadasını qidalandıran su mənbələrinin keyfiyyət və təhlükəsizlik orta göstəriciləri

 

 
 
 
S/s Göstərici Ölçü vahidləri AZS 929:2023 "İçməli su. Gigiyenik tələblər və keyfiyyətə nəzarət" dövlət standartı Ceyranbatan su mənbəyi Kür çayı su mənbəyi Oğuz Qəbələ Bakı su mənbəyi (içməli su) "Şollar" su mənbəyi (içməli su) "Xaçmaz" su mənbəyi (içməli su) Zərərlilik göstəricisi Təhlükə sinifi
 Qum süzgəcli sutəmizləyici qurğuları (içməli su) Ultrasüzgəcli sutəmizləyici qurğuları (içməli su) Kür qum süzgəcli sutəmizləyici qurğuları (içməli su)
ORQANOLEPTİK GÖSTƏRİCİLƏR
1 Temperatur OC ˂20 18 18 19 17 17 17 * *
2 İy bal ˂2 0 0 0 0 0 0 * *
3 Dad bal ˂2 0 0 0 0 0 0 * *
4 Rəng mq-Pt/l 15 Rəngsiz Rəngsiz Rəngsiz Rəngsiz Rəngsiz Rəngsiz * *
5 Bulanıqlıq NTU  <3.0 1.67 0.2 1.5 0.5 0.53 0.58 * *
FİZİKİ - KİMYƏVİ GÖSTƏRİCİLƏR
6 pH pH vahidi 6.5-9.5 8.51 8.47 8.15 7.48 7.81 7.88 * *
7 THM (trihalometan) mg/l 0.1 0.04 0.02 0.05 0.01 0.04 0.04 * *
8 Ümumi Codluq mg/l 350 (500) 215 213 346 242 294 314 * *
mq*ekv/l 7 (10) 4.3 4.26 6.92 4.84 5.88 6.28
9 Ümumi Qələvilik mg-HCO3-/l 400 2.24 2.26 3.28 4.08 4.9 4.94 * *
10 Elektrik keçiriciliyi µSm/sm ˂ 2500 598 606 1150 463 716 661 * *
11 Ümumi həll olunmuş duzlar (TDS) mg/l 1000 (1500) 313 322 568 230 348 322 * *
12 Asılı maddələr (TSS) mg/l 1,74 (2,32) 0.97 0.12 0.87 0.29 0.31 0.34 * *
13 Natrium - Na+ mg/l 200 30.54 33.24 121 10 35 24 sanitar toksikoloji 2
14 Kalium - K+ mg/l 12 1.8 2.56 4.1 0.99 3 2.8 * *
15 Litium - Li+ µg/l 2000 7.5 6.2 6.82 8.11 14.8 18.7 sanitar toksikoloji 2
16 Kalsium - Ca2+ mg/l < 130 54 53 72.1 60.1 72.1 74.5 * *
17 Maqnezium - Mg2+ mg/l < 65 19 19 40.3 22.4 27.7 31.1 * *
18 Alüminium - Al3+ µg/l <100 7.7 3.04 3.24 11.7 5.92 4.39 sanitar toksikoloji 2
19 Arsen - As (ümumi miqdarı) µg/l 10 1.4 ˂1 1.45 ˂0.2 0.4 0.25 sanitar toksikoloji 2
20 Vanadium - V (ümumi miqdarı) µg/l 100 24.7 22.4 1.27 0.47 0.66 0.56 sanitar toksikoloji 3
21 Dəmir - Fe     (ümumi miqdarı) µg/l 300 9.03 6.3 0.56 1.35 0.42 0.72 orqanoleptik *
22 Manqan - Mn (ümumi miqdarı) µg/l 500 1.7 6.1 0.35 ˂0.2 0.51 0.26 orqanoleptik 3
23 Tallium – Tl (ümumi miqdarı) µg/l 0.1 ˂0,1 ˂0,1 ˂0,1 ˂0,1 ˂0,1 ˂0,1 sanitar toksikoloji 2
24 Qalium – Ga (ümumi miqdarı) µg/l 5 3.3 ˂1 ˂1 ˂1 ˂1 ˂1 * *
25 Kadmium - Cd (ümumi miqdarı) µg/l 1 ˂1 ˂1 ˂0.2 ˂0.2 ˂0.2 ˂0.2 sanitar toksikoloji 2
26 Bismut – Bi  (ümumi miqdarı) µg/l 100 ˂1 ˂1 ˂1 ˂1 ˂1 ˂1 sanitar toksikoloji 2
27 Rubidium – Rb (ümumi miqdarı) µg/l 100 ˂1 ˂1 ˂1 ˂1 ˂1 ˂1 sanitar toksikoloji 2
28 Qalay – Sn  (ümumi miqdarı) µg/l 5 1.5 ˂1 ˂1 ˂1 ˂1 ˂1 * *
29 Stibium - Sb (ümumi miqdarı) µg/l 20 ˂1 ˂1 0.24 0.76 ˂0.2 ˂0.2 sanitar toksikoloji 2
30 Titan – Ti       (ümumi miqdarı) µg/l 20 ˂1 ˂1 ˂1 ˂1 ˂1 ˂1 * *
31 Sink - Zn2+ µg/l 5000 ˂5 ˂5 5.01 1.24 2.18 2.87 orqanoleptik 3
32 Nikel - Ni (ümumi miqdarı) µg/l 70 ˂1 ˂1 1.53 ˂0.2 ˂0.2 ˂0.2 sanitar toksikoloji 3
33 Kobalt – Co (ümumi miqdarı) µg/l 100 ˂1 ˂1 0.25 ˂0.2 0.22 ˂0.2 sanitar toksikoloji 2
34 Xrom - Cr3+ µg/l 50 ˂5 ˂5 ˂0.2 ˂0.2 1.24 0.68 sanitar toksikoloji 3
35 Barium - Ba2+ µg/l 1300 19 16.7 34.4 34.5 45.3 34.6 * 2
36 Molibden - Mo (ümumi miqdarı) µg/l 250 ˂5 ˂5 6.4 3.5 0.56 0.98 sanitar toksikoloji 2
37 Gümüş – Ag (ümumi miqdarı) µg/l 50 ˂1 ˂1 ˂0.2 ˂0.2 ˂0.2 ˂0.2 sanitar toksikoloji 2
38 Selen - Se (ümumi miqdarı) µg/l 40 2.2 2.9 0.53 0.38 1.63 1.44 * 2
39 Qurğuşun - Pb (ümumi miqdarı) µg/l 10 ˂5 ˂5 ˂0.2 ˂0.2 ˂0.2 ˂0.2 * 2
40 Berillium - Be2+ µg/l 12 ˂1 ˂1 ˂0.2 ˂0.2 ˂0.2 ˂0.2 * 1
41 Mis - Cu2+ µg/l 1000 1.3 1.9 1.69 0.22 ˂0.2 ˂0.2 * 3
42 Silisium – Si (ümumi miqdarı) µg/l 10000 600 215 8294 8585 8159 7827 sanitar toksikoloji 2
43 Stronsium - Sr2+ µg/l 7000 595 543 805 791 856 867 * 2
44 Bor - B         (ümumi miqdarı) µg/l 2400 130 116 459 65.7 114 85.4 * 2
45 Fosfor – P          (ümumi miqdarı) µg/l 0.1 ˂0,1 ˂0,1 ˂0,1 ˂0,1 ˂0,1 ˂0,1 sanitar toksikoloji 1
46 Karbonat mg/l 100 4.8 6 0 0 0 0 * *
47 Hidrokarbonat mg/l 1000 127 126 200 249 299 301 * *
48 Ammonium duzları - NH4+ mq/l 0.5 ˂0,1 ˂0,1 0.12 ˂0,04 ˂0,04 ˂0,04 * *
49 Xloridlər - Cl- mg/l 350 42.4 43.9 60.5 6.5 14 9.5 orqanoleptik 4
50 Nitrit - NO2- mq/l 3 ˂0,03 ˂0,03 ˂0,03 ˂0,03 ˂0,03 ˂0,03 orqanoleptik 2
51 Nitrat - NO3- mq/l 50 2.2 2.3 3.75 5.7 12.6 13.8 sanitar toksikoloji 3
52 Sulfat - SO42- mq/l 500 129 138 284 51.1 96.8 75.6 orqanoleptik 4
53 Flüoridlər - F- mg/l 1.5 0.01 0.01 0.2 ˂0,007 0.2 0.1 sanitar toksikoloji 2
54 Bromidlər - Br- mg/l 0.2 0.05 0.04 0.2 ˂0,05 0.2 0.1 sanitar toksikoloji 2
55 Sianidlər (CN-) mg/l 0.5 0.003 0.003 0.005 0.001 0.002 0.001 * 2
56 Ümumi üzvi karbon (TOC) mq/l 30 0.52 0.48 1.12 0.37 0.34 0.28 * *
BAKTERİOLOJİ GÖSTƏRİCİLƏR
57 Xəstəlik törədici bağırsaq çöpləri (E-coli - eşerexiya koli) KYV/100 ml 0 0 0 0 0 0 0 * *
58 Ümumi koliform bağırsaq çöpləri KYV/100 ml 0 0 0 0 0 0 0 * *
59 Enterokok KYV/100 ml 0 0 0 0 0 0 0 * *
60 Ümumi mikrob sayı 22°C KYV/1 ml Anormal dəyişikliksiz 0 0 0 0 0 0 * *
61 Ümumi mikrob sayı 37°C KYV/1 ml 100 0 0 0 0 0 0 * *
62 Clostridium perfringens sporları KYV/100 ml 0 0 0 0 0 0 0 * *
63 Pseudomonas KYV/100 ml 0 0 0 0 0 0 0 * *