Extensive information on the Drainage Act and municipal drainage in general is available at the following Ontario Ministry of Agriculture and Food (O.M.A.F.) web sites:

O.M.A.F.R.A.           http://www.ontario.ca/drainage

eReference Tool      http://www.omafra.gov.on.ca/english/landuse/drain-eref/index.htm

Drainage Act 1990   http://www.e-laws.gov.on.ca/html/statutes/english/elaws_statutes_90d17_e.htm