WNWB - Waterleidingmaatschappij Noord-West-Brabant - Water Supply Company North-West-Brabant, now belonging to Brabant Water
The icon at the bottom of the lid Click for a larger image probably symbolizes a water-related body. If you have additional information click on the question mark
The lid is similar to other lids made by the same manufacturer, but this lid is rectangular, unlike the others which are square