Guidance

Guide to Altering Watercourses

This guide explains why it is important to avoid and minimize disturbances to lakes, rivers, streams and other watercourses, as well as what to do when alterations are required. It also highlights lower-risk activities that…

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Ontario Stream Assessment Protocol

This protocol contains a series of standardized methodologies for identifying sites, evaluating benthic macroinvertebrates, sampling fish communities, assessing physical habitat and water temperature and data management.

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The Fish Habitat Primer

This document provides a description of Ontario aquatic ecosystems and habitat types, as well as advice on how to best work in and around water to minimize disturbance.

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Water Crossing Design Guidelines

This document provides five different water crossing design methods: no slope culverts, stream simulation culvert designs, bridges, temporary culverts or bridges and hydraulic design fishways. There is a selection guide to help the designer determine…

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