The following activities, where they would be significant drinking water threats, are designated for the purpose of section 57 of the Clean Water Act. Therefore, these activities are prohibited from becoming established in the future in Lansdowne WHPA-A.

the application of agricultural source material to land
the application of commercial fertilizer to land (this applies only to WHPA-A for Supply Well 2)
the application of pesticide containing the specified active ingredient(s) on the specified land area:

MCPA or Mecoprop on at least 1 hectare
Atrazine, Dicamba, 2,4-D, 1,3 Dichloropropene, MCPB, Metalaxyl, Metolachlor or s-Metolachlor on at least 10 hectares

the management of runoff that contains chemicals used in the de-icing of aircraft
the use of land as livestock grazing or pasturing land, an outdoor confinement area or a farm animal yard
the handling and storage of a dense non-aqueous phase liquid (DNAPL)
the handling and storage of pesticide at a facility where it is sold or used for application at other sites, except where it is manufactured or processed, in the specified mass or volume and containing the specified active ingredient(s):

more than 250 kilograms or litres containing MCPA or Mecoprop
more than 2,500 kilograms or litres containing Dicamba, 2,4-D, 1,3 Dichloropropene, MCPA, Metalaxyl, Metolachlor or s-Metolachlor
the handling and storage of more than 2,500 kilograms or litres of pesticide containing MCPA or Mecoprop, where it is stored at a facility where it is manufactured, distributed or processed
the storage of agricultural source material
the handling and storage of organic solvents in the volume specified and containing the specified chemical(s)
more than 25 litres containing carbon tetrachloride below or partially below grade
more than 250 litres containing carbon tetrachloride above grade
more than 250 litres containing carbon tetrachloride, chloroform or methylene chloride below or partially below grade
more than 2,500 litres containing carbon tetrachloride, chloroform, methylene chloride at any grade
more than 2,500 litres containing pentachlorophenol below or partially below grade
the handling and storage of more than 2,500 kilograms or litres of commercial fertilizer at a facility where it is sold or used for application at other sites, except where it is manufactured or processed
the handling and storage of more than 2,500 litres of liquid fuel above, below or partially below grade, excluding above grade handling and storage at bulk plants and facilities that manufacture or refine fuel
the handling and storage of more than 5,000 tonnes of road salt in a manner that may result in its exposure to precipitation or runoff from precipitation or snow melt
below-grade snow storage that is more than 0.01 hectares or at or above-grade snow storage that is more than 1 hectare.

N/A.