Raisin-South Nation Source Protection


Drinking Water System: Greely
Municipality: City of Ottawa
Source Protection Area: South Nation
Source Type: Groundwater


The Shadow Ridge Subdivision is located in the Village of Greely. Greely is located within the municipal boundaries of the City of Ottawa but outside its area of service. Designed with private services, Shadow Ridge has a communal well supply consisting of 2 wells spaced about 10 m apart. The City of Ottawa is both owner and operator for this drinking water system which currently serves approximately 30 residences. Further development is planned which will expand the population being serviced by this system to 2,078 people.

Vulnerability Scoring

Four Wellhead Protection Areas (WHPAs) have been delineated representing differnt times of travel to the well: WHPA-A, WHPA-B, WHPA-C and WHPA-D (travel times of "immediate", 2 years, 5 years and 25 years respectively). The WHPAs have been scored from 2 to 10. The vulnerability score is a representative measure of the drinking water source's susceptibility to contamination. Higher scores indicate higher vulnerability.

Land Area by Vulnerability Score (ha)

Source Protection Policies

The following activities if occurring in a vulnerable area near the drinking water source could be a significant drinking water threat*:

  • Waste Disposal Sites
  • Sewage Works
  • Agricultural Activities
  • Pesticides
  • Salt and Snow
  • Fuel
  • Chemicals

* Please consult the Source Protection Authority or the Risk Management Official to determine the exact circumstances, and locations where source protection policies apply near this drinking water source.

Find out how the Source Protection Plans for the Raisin-South Nation Source Protection Region safeguard the municipal drinking water for your community: