Google Scholar is a search engine dedicated to tracking scholarly and academic papers and articles. It's widely used in the academic community, and offers the ability to see who is citing your work. Use this search link to find all the citations of wa.gov published info:
https://scholar.google.com/scholar?as_ylo=2014&q=wa.gov+-wa.gov.au&hl=en&as_sdt=0,48
I get 1780 citations since 2014 alone. Pretty cool.