Websites vary significantly in quality. Look for credible sources, such as government agencies and professional association sites. To learn more, go to Evaluating Websites.
Search Tips
When searching Google, it's often helpful to:
Think about organizations that are related to your topic. Search their websites first.
Search a relevant domain. Consider domains such as: .gov, .gc.ca, .on.ca, or .edu.
Search for PDFs on your topic by adding file:pdf to your search. For example, wastewater regulations ontario filetype:pdf. Be sure to explore and evaluate the website where your PDFs come from!