[4] The NDP won a majority government in the provincial election of 1990, and Klopp defeated Progressive Conservative candidate Ken Campbell by 954 votes in Huron.
[5] He served as parliamentary assistant to Agriculture Minister Elmer Buchanan from 1990 to 1995, the entirety of the Rae government's tenure in office.
In early 1994, he announced that Huron and Perth Counties would receive almost two million dollars in jobsOntario grants.
[6] The NDP were defeated in the provincial election of 1995, and Klopp finished third in Huron against Progressive Conservative Helen Johns.
[2][10] Klopp was again elected Deputy Mayor of the Municipality of Bluewater in 2010, defeating the incumbent, Dave Johnson, by about 700 votes.