🇵🇱 PRZEDSIĘBIORSTWO WODOCIĄGÓW I KANALIZACJI Sp. z o.o. PL
Water & wastewaterMicrobiology
PRZEDSIĘBIORSTWO WODOCIĄGÓW I KANALIZACJI Sp. z o.o. is a laboratory accredited by PCA under number AB 920 (Ełk, Poland). Its accreditation scope covers 29 test methods in the following areas: Water & wastewater, Microbiology. Test objects include: Water intended for human consumption, Wastewater, Wastewater, water intended for human consumption. Most frequently used techniques: Spectrophotometric method, Titrimetric method, Membrane filtration method.
At a glance
- Accreditation number: PCA AB 920
- Methods in scope: 29
- Types of test objects: 3
- Techniques used: 10
- City: Ełk, Poland
- Valid until: 29.06.2028
- Accreditation number
- AB 920
- Accreditation body
- PCA
- Address
- ul. Suwalska 64, 19-300 Ełk, LABORATORIUM WODY I ŚCIEKÓW, ul. Ełcka 30
- City
- Ełk, Poland
- Valid until
- 29.06.2028
What this laboratory tests (3)
- Water intended for human consumption — 14 methods
- Wastewater — 9 methods
- Wastewater, water intended for human consumption — 6 methods
Analytical techniques used (10)
- Spectrophotometric method — 11 methods
- Titrimetric method — 4 methods
- Membrane filtration method — 3 methods
- Plate method (pour plate) — 2 methods
- Conductometric method — 1 method
- Gravimetric method — 1 method
- Manual method; Automatic method — 1 method
- Nephelometric method — 1 method
- Optical method — 1 method
- Potentiometric method — 1 method
Laboratory locations
- PRZEDSIĘBIORSTWO WODOCIĄGÓW I KANALIZACJI Sp. z o.o. (main site) — ul. Suwalska 64, 19-300 Ełk
- WATER AND WASTEWATER LABORATORY — ul. Ełcka 30, 19-300 Nowa Wieś Ełcka
Certificate information
- Issue date
- 08.09.2026
- Issue no.
- 17
Accreditation scope — test methods (29)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Water and Wastewater Laboratory | |||||
| 1 | Wastewater | Ammonium nitrogen concentration Range (1,0 − 1000) mg/l Range (1,29 – 1290) mg/l NH4+ |
Titrimetric method | PN-ISO 5664:2002 | |
| 2 | Wastewater | Kjeldahl nitrogen concentration Range (5,00 − 1000) mg/l |
Titrimetric method | PB-02 issue III of 25.11.2015 | |
| 3 | Wastewater | Nitrate nitrogen concentration Range (0,20 – 50,0) mg/l Range (0,89 – 221) mg/l NO3 - |
Spectrophotometric method | PN-82/C-04576/08 | |
| 4 | Wastewater | Total phosphorus concentration Range (0,07 − 48,9) mg/l |
Spectrophotometric method | PB-03 issue III of 25.11.2015 | based on the Hach-Lange cuvette test No. 26 | |
| 5 | Wastewater | Biochemical oxygen demand - BOD5 Range (3,0 − 6000) mg/l O2 |
Optical method | PN-EN ISO 5815-1:2019-12 | |
| 6 | Wastewater | Total suspended solids (TSS) Range (2,0 − 2000) mg/l |
Gravimetric method | PN-EN 872:2007+Ap1:2007 | |
| 7 | Wastewater | Total nitrogen concentration Range (1,0 − 1000) mg/l |
Spectrophotometric method | PB-07 issue I of 04.09.2023 | based on the Hach-Lange cuvette test No. LCK 138 and LCK 338. | |
| 8 | Wastewater | Total nitrogen concentration (calculated) | PN-73/C-04576/14 | ||
| 9 | Wastewater | Sampling for chemical and physical testing | Manual method; Automatic method | PN-ISO 5667-10:2021-11 | |
| 10 | Wastewater, water intended for human consumption | Ammonium nitrogen concentration Range (0,05 − 2,0) mg/l Range (0,064 – 2,60) mg/l NH4+ |
Spectrophotometric method | PN-ISO 7150-1:2002 | |
| 11 | Wastewater, water intended for human consumption | Chloride concentration Range (5,00 – 1000) mg/l |
Titrimetric method | PN-ISO 9297:1994 | |
| 12 | Wastewater, water intended for human consumption | Chemical oxygen demand - COD Range (10,0 – 20 000) mg/l O2 |
Spectrophotometric method | PN-ISO15705:2005 | |
| 13 | Wastewater, water intended for human consumption | Sulfate concentration Range (20,0 – 250) mg/l |
Spectrophotometric method | PB-08 issue II of 25.11.2015 | based on Hach test No. 12065-99 | |
| 14 | Wastewater, water intended for human consumption | pH Range 4,0 – 10,0 |
Potentiometric method | PN-EN ISO 10523:2012 | |
| 15 | Wastewater, water intended for human consumption | Nitrite nitrogen concentration Range (0,020 – 4,0) mg/l Range (0,066 – 13,2) mg/l NO2 - |
Spectrophotometric method | PN-EN 26777:1999 | |
| 16 | Water intended for human consumption | Sampling for physical and chemical testing | PN-ISO 5667-5:2017-10 | ||
| 17 | Water intended for human consumption | Iron concentration Range (20 – 4000) µg/l |
Spectrophotometric method | PN-ISO 6332:2001+Ap1:2016-06 | |
| 18 | Water intended for human consumption | Manganese concentration Range (15 – 4000) µg/l |
Spectrophotometric method | PN-92/C-04590.03 | |
| 19 | Water intended for human consumption | Nitrate nitrogen concentration Range (0,20 – 50,0) mg/l Range (0,89 – 221) mg/l NO3 - |
Spectrophotometric method | PN-82/C-04576/08 | |
| 20 | Water intended for human consumption | Electrical conductivity Range (10 – 3900) µS/cm |
Conductometric method | PN-EN 27888:1999 | |
| 21 | Water intended for human consumption | Colour Range (3 – 125) mg/l Pt |
Spectrophotometric method | PN-EN ISO 7887:2012 Method C +Ap1:2015-06 | |
| 22 | Water intended for human consumption | Turbidity Range (0,10 – 100) NTU |
Nephelometric method | PN-EN ISO 7027-1:2016-09 | |
| 23 | Water intended for human consumption | Total hardness Range (5,00 – 600) mg/l CaCO3 Range (0,28 – 33,7) °DH |
Titrimetric method | PN-ISO 6059:1999 | |
| 24 | Water intended for human consumption | Sampling for microbiological testing | PN-EN ISO 19458:2007 excluding cl. 4.4.3, 4.4.4, 4.4.5, 4.4.6 | ||
| 25 | Water intended for human consumption | Coliform bacteria count | Membrane filtration method | PN-EN ISO 9308-1:2014-12 +A1:2017-04 | |
| 26 | Water intended for human consumption | Escherichia coli count | Membrane filtration method | PN-EN ISO 9308-1:2014-12 +A1:2017-04 | |
| 27 | Water intended for human consumption | Intestinal enterococci count | Membrane filtration method | PN-EN ISO 7899-2:2004 | |
| 28 | Water intended for human consumption | Total number of microorganisms at 36 ºC | Plate method (pour plate) | PN-EN ISO 6222:2004 | |
| 29 | Water intended for human consumption | Total number of microorganisms at 22 ºC | Plate method (pour plate) | PN-EN ISO 6222:2004 | |
Reference standards (29)
PB-02 issue III of 25.11.2015
PB-03 issue III of 25.11.2015
PB-07 issue I of 04.09.2023
PB-08 issue II of 25.11.2015
PN-73/C-04576/14
PN-82/C-04576/08
PN-92/C-04590.03
PN-EN 26777:1999
PN-EN 27888:1999
PN-EN 872:2007+Ap1:2007
PN-EN ISO 10523:2012
PN-EN ISO 19458:2007 excluding cl. 4.4.3, 4.4.4, 4.4.5, 4.4.6
PN-EN ISO 5815-1:2019-12
PN-EN ISO 6222:2004
PN-EN ISO 7027-1:2016-09
PN-EN ISO 7887:2012 Method C +Ap1:2015-06
PN-EN ISO 7899-2:2004
PN-EN ISO 9308-1:2014-12 +A1:2017-04
PN-ISO 5664:2002
PN-ISO 5667-10:2021-11
PN-ISO 5667-5:2017-10
PN-ISO 6059:1999
PN-ISO 6332:2001+Ap1:2016-06
PN-ISO 7150-1:2002
PN-ISO 9297:1994
PN-ISO15705:2005
based on Hach test No. 12065-99
based on the Hach-Lange cuvette test No. 26
based on the Hach-Lange cuvette test No. LCK 138 and LCK 338.