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G4-EN22

Total water discharge by quality and destination in 2015−2017

The wastewater generated by the PGNiG Group companies is discharged to the sewage system, surface water or soil based on the water permits obtained. Domestic and industrial wastewater is discharged into the sewage system. Rainwater from plant premises and access roads is discharged into the municipal sewage system, as well as into surface water and soil.

The PGNiG TERMIKA Group companies account for a large share in the volume of generated wastewater as they use water for cooling purposes. On the other hand, the policy of economical water management is followed during drilling work and, where possible, wastewater is reused to prepare drilling muds.

In 2017, an increase was seen mainly in the amount of domestic and municipal wastewater following the establishment of new branches and generating units of PGNiG TERMIKA EP and PGNiG OD.

Wastewater [cm] 2017 2016 2015
 PGNiG Group PGNiG  PGNiG Group PGNiG PGNiG Group
Domestic [cm] 348,342 7120 276,655 10,438 346,931
Municipal [cm] 108,113 90,955 104,183 73,830 85,974
Industrial [cm] 6,652,290 15,248 6,311,583 10,939 5,945,205
Rainwater and snowmelt [cm] 1,497,638 288,197 1,209,936 280,591 1,319,110
Other [cm] 149,839,142 154,527,215 22,959 148,599,919
G4-EN23

Waste management

The production of hazardous and non-hazardous waste is unavoidable in activities related to the production and processing of crude oil and natural gas. In 2017, all PGNiG Group companies reported decreases in the volume of generated waste. The main reason was the introduction of new technologies and the use of environment-friendly materials and products. The companies have also been implementing programmes raising the awareness of the need to sort waste. PGNiG TERMIKA has put in operation an ash separation unit at the Siekierki CHP Plant, for removing ash from non-combusted coal. The project will result in a significant reduction in the volume of generated waste. The volume of drilling waste from exploration work has been on a decline, mainly due to the lower intensity of the work relative to previous years. Moreover, the weight of waste re-used within the Group increased by 30%. The other waste is recycled by specialised external companies.

Waste management methods used at the PGNiG Group in 2015−2017

Other waste excluding municipal waste Landfilled [Mg] Recovered, including recycled [Mg] Disposed of [Mg] Incinerated [Mg] Transferred for collection [Mg] Stored [Mg]
2017
Hazardous waste PGNiG Group 3,317.4 571.7 38.9 659.9 20.9
PGNiG 3,053.8 389.3 10.1 20.9
Non-hazardous waste PGNiG Group 212.1 568,214.5 3,121.3 11.1 2,186.3 60.0
PGNiG 189.0 1,159.4 2,824.5 4.7 60.0
2016
Hazardous waste PGNiG Group 1,646.2 584.4 2.7 690.9 49.0
PGNiG 1,061.9 521.4 15.2 49.0
Non-hazardous waste PGNiG Group 342.0 565,664.6 1,909.2 5,615.1 47.7
PGNiG 305.7 4,998.3 1,763.6 7.8 47.7
2015
Hazardous waste PGNiG Group 779.8 587.9 3.5 770.0 25.0
PGNiG 505.3 554.0 14.0 25.0
Non-hazardous waste PGNiG Group 4,835.8 609,314.1 274.4 5,392.6 73.5
PGNiG 4,774.8 2,264.3 92.8 0.6 73.5

 

Method of drilling waste management in 2015–2017

Drilling waste Stored in waste disposal facilities [Mg] Recovered [Mg] Disposed of [Mg] Reused [Mg] Stored [Mg] Stored in rock mass [Mg]
2017
Hazardous waste PGNiG Group 1,314.1 77.2
PGNiG 1,314.1 77.2
Non-hazardous waste PGNiG Group 92,131.3 9,527.6 53,6 3,256.9
PGNiG 47,361.4 9,511.6 53,6 3,256.9
2016
Hazardous waste PGNiG Group 1,459.6 98.0
PGNiG 1,459.6
Non-hazardous waste PGNiG Group 67,750.1 189.7 28,371.8
PGNiG 58,710.9 28,371.8
2015
Hazardous waste PGNiG Group 2,897.3 331.6
PGNiG 2,897.3 41.3
Non-hazardous waste PGNiG Group 68,523.3 15,399.9 58,236.9
PGNiG 59,413.5 7,929.2 58,236.9