Information icon

Our Dargaville Service Centre will be closed to the public on Friday, 1 December from 12:00pm (midday).

Arrow icon

Fish-friendly culverts and rock ramps in small streams

Dragonfly springs fish pass (Photo: Horizons Regional Council).

Simple guidelines for building culverts and rock ramps in small streams.
Reducing water speed, preventing erosion and fixing hanging culverts.
Find which culvert is suitable for your stream.
A low rock ramp downstream of a culvert will help prevent hanging outlets and other erosion problems.