“Never introduce any sort of pond plant into a stream or other natural watercourse.”

“Ruining the picture postcard view is more domestic refuse scattered at intervals all the way down to the watercourse.”

“In summer, the watercourse provides a green belt that distinguishes the town from the dun expanse that surrounds it.”

“The United Utilities scheme, to clean up watercourses which run into the River Irwell, began last November.”

“Residents also complained that unchecked and haphazard construction activity came in the way of natural watercourses.”

“Its developers worked in unusual sympathy, preserving the watercourses, mature trees and shoreline that were, and remain, the site's patrimony.”