🇵🇱 „WODOCIĄGI KOŚCIAŃSKIE” Sp. z o.o. PL
Water & wastewater
„WODOCIĄGI KOŚCIAŃSKIE” Sp. z o.o. is a laboratory accredited by PCA under number AB 1360 (Kościan, Poland). Its accreditation scope covers 45 test methods in the following areas: Water & wastewater. Test objects include: Wastewater, Water, water intended for human consumption, Swimming pool water, Rainwater, snowmelt water. Most frequently used techniques: Spectrophotometric method, Titrimetric method, Gravimetric method.
At a glance
- Accreditation number: PCA AB 1360
- Methods in scope: 45
- Types of test objects: 6
- Techniques used: 11
- City: Kościan, Poland
- Accreditation number
- AB 1360
- Accreditation body
- PCA
- Address
- ul. Czempińska 2, 64-000 Kościan, LABORATORIUM „WODOCIĄGÓW KOŚCIAŃSKICH” Sp. z o.o., ul. Kanałowa 1, 64-000 Kościan
- City
- Kościan, Poland
What this laboratory tests (6)
- Wastewater — 17 methods
- Water, water intended for human consumption — 16 methods
- Swimming pool water — 8 methods
- Rainwater, snowmelt water — 2 methods
- Water intended for human consumption — 1 method
- Water intended for human consumption, swimming pool water — 1 method
Analytical techniques used (11)
- Spectrophotometric method — 15 methods
- Titrimetric method — 8 methods
- Gravimetric method — 4 methods
- Potentiometric method — 4 methods
- Colorimetric method — 2 methods
- Nephelometric method — 2 methods
- Conductometric method — 1 method
- Manual method — 1 method
- Manual method; Automatic method — 1 method
- Optical method — 1 method
- Turbidimetric method — 1 method
Laboratory locations
- „WODOCIĄGI KOŚCIAŃSKIE” Sp. z o.o. (main site) — ul. Czempińska 2, 64-000 Kościan
- LABORATORY OF "WODOCIĄGI KOŚCIAŃSKIE" Sp. z o.o. — ul. Kanałowa 1
Certificate information
- Issue date
- 26.06.2026
- Issue no.
- 17
Accreditation scope — test methods (45)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Test methods | |||||
| 1 | Water, water intended for human consumption | Turbidity Range (0,30 – 15) NTU |
Nephelometric method | PN-EN ISO 7027-1:2016-09 | |
| 2 | Water, water intended for human consumption | pH Range 4,0 – 10,0 |
Potentiometric method | PN-EN ISO 10523:2012 | |
| 3 | Water, water intended for human consumption | Electrical conductivity Range (90 – 2500) μS/cm |
Conductometric method | PN-EN 27888:1999 | |
| 4 | Water, water intended for human consumption | Colour Range (2 – 60) mg/l Pt |
Spectrophotometric method | PN-EN ISO 7887:2012+Ap1:2015-06 Method C | |
| 5 | Water, water intended for human consumption | Manganese concentration Range (0,02 – 0,70) mg/l |
Spectrophotometric method | PB-02/W of 25.04.2022 issue 9 | based on the Nanocolor cuvette test No. 91860 | |
| 6 | Water, water intended for human consumption | Chloride concentration Range (5 – 400) mg/l |
Titrimetric method | PN-ISO 9297:1994 | |
| 7 | Water, water intended for human consumption | Sulfate concentration Range (10,0 – 500) mg/l |
Gravimetric method | PN-ISO 9280:2002 | |
| 8 | Water, water intended for human consumption | Nitrite concentration Range (0,033 – 15) mg/l |
Spectrophotometric method | PN-EN 26777:1999 | |
| 9 | Water, water intended for human consumption | Nitrate concentration Range (0,20 – 150) mg/l |
Spectrophotometric method | PN-82/C-04576.08 | |
| 10 | Water, water intended for human consumption | Total iron concentration Range (0,04 – 15,0) mg/l |
Spectrophotometric method | PB-01/W,Ś of 25.04.2022 issue 10 based on the Nanocolor cuvette test No. 91836 | |
| 11 | Water, water intended for human consumption | Total content of calcium and magnesium (total hardness) Range (25 – 1000) mg/l CaCO3 |
Titrimetric method | P N -ISO 6059:1999 | |
| 12 | Water, water intended for human consumption | Permanganate index Range (0,5 – 10) mg/l O2 |
Titrimetric method | PN-EN ISO 8467:2001 | |
| 13 | Water, water intended for human consumption | Calcium concentration Range (3,0 – 250) mg/l |
Titrimetric method | PN-ISO 6058:1999 | |
| 14 | Water, water intended for human consumption | Magnesium concentration (calculated) | PN-C-04554-4:1999, Annex A | ||
| 15 | Water, water intended for human consumption | Ammonium ion concentration Range (0,13 – 10,0) mg/l |
Spectrophotometric method | PN-ISO 7150-1:2002 | |
| 16 | Water, water intended for human consumption | Total iron concentration Range (0,020 – 20,0) mg/l |
Spectrophotometric method | PN-ISO 6332:2001+Ap1:2016-06 excluding cl. 7.1.2 | |
| 17 | Water intended for human consumption | Sampling for chemical and physical testing Temperature Range (2,0 – 50,0) °C |
PN-ISO 5667-5:2017-10 | PN-77/C-04584 | ||
| 18 | Water intended for human consumption, swimming pool water | Free chlorine concentration Range (0,10 – 2,2) mg/l |
Colorimetric method | PB-05/W of 25.04.2022 issue 3 | based on the Hach Lange 8021 DPD test | |
| 19 | Swimming pool water | Sampling for chemical and physical testing Temperature Range (2,0 – 50,0) °C |
PB-13/W of 26.04.2023 issue 5 | PN-77/C-04584 | ||
| 20 | Swimming pool water | pH Range 4,0 – 10,0 |
Potentiometric method | PN-EN ISO 10523:2012 | |
| 21 | Swimming pool water | Oxidation-reduction (redox) potential vs. Ag/AgCl 3,5 mol/l KCl Range (220 – 800) mV |
Potentiometric method | PB-12/W of 25.04.2022 issue 3 | |
| 22 | Swimming pool water | Total chlorine concentration Range (0,10 – 2,2) mg/l |
Colorimetric method | PB-09/W of 25.04.2022 issue 3 | based on the test 8167 DPD Hach Lange | |
| 23 | Swimming pool water | Combined chlorine concentration (calculated) | PB-04/W of 01.03.2019 issue 3 | ||
| 24 | Swimming pool water | Turbidity Range (0,30 – 15) NTU |
Nephelometric method | PN-EN ISO 7027-1:2016-09 | |
| 25 | Swimming pool water | Permanganate index Range (0,5 – 10) mg/l O2 |
Titrimetric method | PN-EN ISO 8467:2001 | |
| 26 | Swimming pool water | Nitrate concentration Range (0,20 – 150) mg/l |
Spectrophotometric method | PN-82/C-04576.08 | |
| 27 | Wastewater | Sampling for chemical and physical testing Temperature Range (2,0 – 50,0) °C |
Manual method; Automatic method | PN-ISO 5667-10:2021-11 | PN-77/C-04584 | |
| 28 | Wastewater | pH Range 2,0 – 12,0 |
Potentiometric method | PN-EN ISO 10523:2012 | |
| 29 | Wastewater | Biochemical oxygen demand - BOD5 Range (1 – 6000) mg/l O2 |
Titrimetric method | PN-EN ISO 5815-1:2019-12 | |
| 30 | Wastewater | Chemical oxygen demand - COD Range (15 – 10000) mg/l O2 |
Spectrophotometric method | PN-ISO 15705:2005 | |
| 31 | Wastewater | Total phosphorus concentration Range (0,2 – 50) mg/l |
Spectrophotometric method | PB-07/Ś of 25.04.2022 issue 9 | based on the Nanocolor cuvette test No. 985076, 985080, 985079 | |
| 32 | Wastewater | Total nitrogen concentration Range (3,0 – 220) mg/l |
Spectrophotometric method | PB-08/Ś of 25.04.2022 issue 9 | based on the Nanocolor cuvette test No. 985088 | |
| 33 | Wastewater | Total suspended solids (TSS) Range (2,0 – 700) mg/l |
Gravimetric method | PN-EN 872:2007+Ap1:2007 | |
| 34 | Wastewater | Chloride concentration Range (5 – 400) mg/l |
Titrimetric method | PN-ISO 9297:1994 | |
| 35 | Wastewater | Nitrite nitrogen concentration Range (0,010 – 10) mg/l |
Spectrophotometric method | PN-EN 26777:1999 | |
| 36 | Wastewater | Nitrate nitrogen concentration Range (0,05 – 50) mg/l |
Spectrophotometric method | PN-82/C-04576.08 | |
| 37 | Wastewater | Kjeldahl nitrogen concentration Range (3,0 – 1000) mg/l |
Titrimetric method | PN-EN 25663:2001 | |
| 38 | Wastewater | Total nitrogen concentration (calculated) | PB-10/Ś of 01.03.2019 issue 4 | ||
| 39 | Wastewater | Total iron concentration Range (0,04 – 15,0) mg/l |
Spectrophotometric method | PB-01/W,Ś of 25.04.2022 issue 10 based on the Nanocolor cuvette test No. 91836 | |
| 40 | Wastewater | Sulfate concentration Range (30 – 800) mg/l |
Turbidimetric method | PB-11/Ś of 28.09.2022 issue 4 | based on the Nanocolor cuvette test No. 985 062, 985 063 | |
| 41 | Wastewater | Ammonium nitrogen concentration Range (0,10 – 80) mg/l |
Spectrophotometric method | PN-ISO 7150-1:2002 | |
| 42 | Wastewater | Concentration of substances extractable with petroleum ether Range (10 – 1000) mg/l |
Gravimetric method | PB-14/Ś of 25.04.2022 issue 4 | |
| 43 | Wastewater | Biochemical oxygen demand - BOD5 Range (1 – 6000) mg/l O2 |
Optical method | PN-EN ISO 5815-1:2019-12 | |
| 44 | Rainwater, snowmelt water | Sampling for chemical and physical testing Temperature Range (2,0 – 50,0) °C |
Manual method | PN-ISO 5667-10:2021-11 | PN-77/C-04584 | |
| 45 | Rainwater, snowmelt water | Total suspended solids (TSS) Range (2,0 – 700) mg/l |
Gravimetric method | PN-EN 872:2007+Ap1:2007 | |
Reference standards (39)
P N -ISO 6059:1999
PB-01/W,Ś of 25.04.2022 issue 10 based on the Nanocolor cuvette test No. 91836
PB-02/W of 25.04.2022 issue 9
PB-04/W of 01.03.2019 issue 3
PB-05/W of 25.04.2022 issue 3
PB-07/Ś of 25.04.2022 issue 9
PB-08/Ś of 25.04.2022 issue 9
PB-09/W of 25.04.2022 issue 3
PB-10/Ś of 01.03.2019 issue 4
PB-11/Ś of 28.09.2022 issue 4
PB-12/W of 25.04.2022 issue 3
PB-13/W of 26.04.2023 issue 5
PB-14/Ś of 25.04.2022 issue 4
PN-77/C-04584
PN-82/C-04576.08
PN-C-04554-4:1999, Annex A
PN-EN 25663:2001
PN-EN 26777:1999
PN-EN 27888:1999
PN-EN 872:2007+Ap1:2007
PN-EN ISO 10523:2012
PN-EN ISO 5815-1:2019-12
PN-EN ISO 7027-1:2016-09
PN-EN ISO 7887:2012+Ap1:2015-06 Method C
PN-EN ISO 8467:2001
PN-ISO 15705:2005
PN-ISO 5667-10:2021-11
PN-ISO 5667-5:2017-10
PN-ISO 6058:1999
PN-ISO 6332:2001+Ap1:2016-06 excluding cl. 7.1.2
PN-ISO 7150-1:2002
PN-ISO 9280:2002
PN-ISO 9297:1994
based on the Hach Lange 8021 DPD test
based on the test 8167 DPD Hach Lange
based on the Nanocolor cuvette test No. 91860
based on the Nanocolor cuvette test No. 985 062, 985 063
based on the Nanocolor cuvette test No. 985076, 985080, 985079
based on the Nanocolor cuvette test No. 985088