Halton Hills Hydro bills water and waste water services on behalf of Halton Region. You can find the current rates here. For more information about Halton Region’s rates, visit www.halton.ca/water or dial 311. Halton Region’s unpaid water arrears may result in water service interruption pursuant to Part XII of the Municipal Act, 2001 and Halton Region’s Waterworks By-Law, fees and charges are deemed to constitute a debt of the consumer to the municipality. The Act enables this debt to be added to the Tax Roll and collected in the same manner as municipal taxes. If you are a tenant with outstanding water arrears the property owner may be notified.