Maple Ridge operates a water utility under permit by the Fraser Health Authority (FHA). Maple Ridge is a distributor of water that is supplied and treated by Metro Vancouver from its Coquitlam Lake source. The City of Maple Ridge supplies water to almost 80,000 residents. Samples from 20 locations in the distribution system are taken weekly and are analyzed by Metro Vancouver. The results are sent to the Operations Centre and Engineering Department and to the FHA.
Maple Ridge Parks & Facilities provides well water under permit by FHA. As required by Section 15 of the British Columbia Drinking Water Protection Act, these documents are the annual reports on the Small Drinking Water systems that it operates on behalf of parks and facilities users.