Average values of selected water quality indicators
| Water quality rate |
Unit | Water Treatment Plant |
MAC (NDS) according to norms |
|||||
|---|---|---|---|---|---|---|---|---|
| Raba | Rudawa | Dłubnia | Bielany | Polish(1) | EU(2) | WHO (3) | ||
| Chart explanation | (A) The examinations marked with A are accredited by the Polish Accreditation Center (the scope of accreditation PCA no. AB 776) 1) MAC (NDS) Maximum Acceptable Concentration according to Health Minister Regulation of December 7, 2017 (Dz. U. 2017, poz.2294). 2) MAC EU (NDS UE) Maximum Acceptable Concentration according to European Union Directive 98/83/EEC November 3rd 1998 on the quality of water intended for human consumption. 3) MAC WHO (NDS WHO) Maximum Acceptable Concentration according to World Health Organization (WHO) on the quality of water intended for consumption ( Guidelines for drinking water quality. Vol 1. Recommendations-3rd ed. 2008 r.) 4) jtk- colony forming units (jtk-jednostki tworzące kolonie) 5) SUM 4 THM - the concentration sum of 4 trihalomethane: chloroform, bromoform, bromodichloromethane and chlorodibromomethane, SUM PAH- the concentration sum of 4 polycyclic aromatic hydrocarbon: benzo(b)fluoranthene , bezno(k)fluoranthene, benzo(g,h,i)perylene and Indeno(1,2,3-c.d) pyrene. 6) SUM 4 PAH – the concentration sum of 4 polycyclic aromatic hydrocarbon: benzo(b) fluoranthene, benzo(k)fluoranthene, benzo(g,h,i)perylene and indeno(1,2,3-c,d)pyrene 7) BNZ- without abnormal changes (in brackets are values |
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| Color (A) | mg/dm3 | 1 | 4 | 3 | 4 | BNZ(7) (15) | BNZ(7) | 15 |
| Cloudiness (A) | NTU | <0,1 | <0,1 | <0,1 | <0,1 | 1 | akcept. | 5 |
| Reaction (pH) (A) | - | 7,8 | 7,6 | 7,8 | 7,5 | 6,5 - 9,5 | 6,5 - 9,5 | - |
| Electric conductance in 25oC (A) | μS/cm | 325 | 599 | 614 | 658 | 2500 | 2500 | - |
| Permanganate value with KMnO4 (A) | mg/dm3 | <0,7 | <0,7 | <0,7 | 1,0 | 5 | 5 | - |
| Fluoride (A) | mg/dm3 | 0,08 | 0,10 | 0,12 | 0,17 | 1,5 | 1,5 | 1,5 |
| Chloride (A) | mg/dm3 | 17,4 | 31,7 | 26,0 | 39,9 | 250 | 250 | 250 |
| Amonium ion (A) | mg/dm3 | 0,017 | 0,018 | 0,024 | 0,016 | 0,5 | 0,5 | 1,5 |
| Nitrite (A) | mg/dm3 | <0,01 | <0,01 | <0,01 | <0,01 | 0,5 | 0,5 | 3 |
| Nitrate (A) | mg/dm3 | 4 | 14,3 | 17,7 | 11,2 | 50 | 50 | 50 |
| Sulfates (A) | mg/dm3 | 19 | 46 | 29 | 76 | 250 | 250 | 250 |
| General hardness (A) | mg/dm3 | 133 | 275 | 299 | 291 | 60 - 500 | - | - |
| Calcium (A) | mg/dm3 | 38 | 87 | 99 | 95 | - | - | - |
| Magnesium | mg/dm3 | 6,4 | 10,4 | 9,6 | 9,6 | 125 | - | - |
| General iron (A) | mg/dm3 | <0,025 | <0,025 | <0,025 | <0,025 | 0,2 | 0,2 | 0,3 |
| Manganese (A) | mg/dm3 | <0,002 | <0,002 | <0,002 | <0,003 | 0,05 | 0,05 | 0,5 |
| Copper (A) | mg/dm3 | <0,003 | <0,003 | <0,003 | 0,009 | 2 | 2 | 2 |
| Chromium (A) | mg/dm3 | <0,002 | <0,002 | <0,002 | <0,002 | 0,05 | 0,05 | 0,05 |
| Nickel (A) | mg/dm3 | <0,0025 | <0,0025 | <0,0025 | <0,0025 | 0,02 | 0,02 | 0,02 |
| Cadmium (A) | mg/dm3 | <0,00045 | <0,00045 | <0,00045 | <0,00045 | 0,005 | 0,005 | 0,005 |
| SUM 4 THM1 (A) | μg/dm3 | 4,6 | <0,3 | 0,4 | 8,4 | 100 | 100 | - |
| Chloroform (A) | μg/dm3 | 4,9 | <0,3 | 0,4 | 6,5 | 30 | - | 200 |
| SUM 4 PAH6 (A) (WWA6) | μg/dm3 | <0,003 | <0,003 | <0,003 | <0,003 | 0,1 | 0,1 | - |
| Benzo(a)pyrene (A) | μg/dm3 | <0,003 | <0,003 | <0,003 | <0,003 | 0,01 | 0,01 | - |
| Escherichia coli (A) | jtk(4)/100ml | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Coli group bacterias (A) | jtk(4)/100ml | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Streptococcus faecalis (A) | jtk(4)/100ml | 0 | 0 | 0 | 0 | 0 | 0 | - |
| Clostridium perfringens (A) | jtk(4)/100ml | 0 | 0 | 0 | 0 | 0 | 0 | - |
| General microorganism numer in 22oC (A) | jtk(4)/ml | 2 | 1 | 1 | 1 | BNZ(7) (100) |
BNZ(7) |
- |
| Free chlorine in the water sytem | mg/dm3 | <0,05 | <0,05 | <0,05 | <0,05 | 0,3 | - | - |
