Sewer pipes in the GWSW by material: most PVC (683,213 pipes), then concrete and PE (polyethylene)
Sewer pipes in the GWSW by material, October 2026, in pipes. Total: 1,799,360; the largest 12 of 13 categories are shown. PVC is 38% of the total. 232,889 pipes have no or another material. Only municipalities that share their sewer data through the GWSW.
Source: Stichting RIONED, GWSW Beheer stedelijk water via PDOK (WFS) · opgehaald 25 oktober 2026Open the table Single block