Figure 1.
![Sewage annual output in the division into urban and agricultural lands (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=1842cfb65638ec3f8d17a65c90542f3d00193edecf779e1f71c033f82a1deb82&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 2.
![Location of Nowy Dwór and Dąbrowa Białostocka communes in Sokólski District [3]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=4b39ea2194c7efdac9faacad01360f7709bc8bb0b89945825785cde7c5d62ee4&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 3.
![Waterworks length in Dąbrowa Białostocka and Nowy Dwór Communes in 2008-2016 (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_003.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=e905225d718bd75eef7a792de7ea1a0dca8faf62a89a203e0e932071f70eeafc&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 4.
![Sewage system length in 2008–2016 in Dąbrowa Białostocka and Nowy Dwór Communes (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=7665818d766b3c29752bd6d7cb24a5743fc3c0b3798d2f34f24b9eb47bb1edea&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 5.
![Percentage use of sewage management systems in Nowy Dwór Commune (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_005.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=20153ca1d2b1101b4a7cfe88ebe06d96ba3d7281a525d560f3ad28ab8c622284&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 6.
![Percentage use of sewage management systems in the rural area of Dąbrowa Białostocka Commune (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_006.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=521569ca49d135cb5322bd0bdc3f4546e86a62b09bde9a392fe261d3e32b7273&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
![Sewage annual output in the division into urban and agricultural lands (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=1842cfb65638ec3f8d17a65c90542f3d00193edecf779e1f71c033f82a1deb82&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
![Location of Nowy Dwór and Dąbrowa Białostocka communes in Sokólski District [3]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=4b39ea2194c7efdac9faacad01360f7709bc8bb0b89945825785cde7c5d62ee4&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
![Waterworks length in Dąbrowa Białostocka and Nowy Dwór Communes in 2008-2016 (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_003.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=e905225d718bd75eef7a792de7ea1a0dca8faf62a89a203e0e932071f70eeafc&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
![Sewage system length in 2008–2016 in Dąbrowa Białostocka and Nowy Dwór Communes (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=7665818d766b3c29752bd6d7cb24a5743fc3c0b3798d2f34f24b9eb47bb1edea&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
![Percentage use of sewage management systems in Nowy Dwór Commune (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_005.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=20153ca1d2b1101b4a7cfe88ebe06d96ba3d7281a525d560f3ad28ab8c622284&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
![Percentage use of sewage management systems in the rural area of Dąbrowa Białostocka Commune (own study based on [1])](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64706ed383f1392090d69738/j_acee-2018-064_fig_006.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T174152Z&X-Amz-Expires=3600&X-Amz-Signature=521569ca49d135cb5322bd0bdc3f4546e86a62b09bde9a392fe261d3e32b7273&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
© 2022 Iwona SKOCZKO, Katarzyna OSZCZAPIŃSKA, published by Silesian University of Technology
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