Lead is a naturally occurring element that is present in some minerals in rocks and soils, but the main source of lead in drinking water is generally through contact with plumbing components containing lead. The amount of lead dissolved into drinking water depends on a number of...
Iron is a naturally occurring element that is common in PEI rocks and soils. Iron can occur in well water for two reasons; it may be present in fine sediment particles, or it may be present in dissolved form in the water. A reddish-brown colour to the water, or an accumulation or...
Chloride is a naturally occurring element that is common in most natural waters and is most often found as a component of salt (sodium chloride) or in some cases in combination with potassium or calcium. The presence of chloride in groundwater can result from a number of sources...
Barium is a naturally occurring element that is found in small quantities in a variety of minerals. Varying amounts of barium can be dissolved as water passes through rocks and soils and be present in groundwater. Barium may also be present in the air as a result of industrial...
Arsenic is a naturally occurring element that is widely distributed throughout the Earth’s rocks and soils. Arsenic can be dissolved from arsenic bearing minerals in the soil or rock and be present in groundwater. On a more local basis, arsenic can also be released into water...
Antimony occurs naturally in small amounts in several minerals in the earth’s crust, is used in various manufacturing processes, and is present in plumbing solder. It can enter drinking water as a result of the weathering of rocks and soils, from wastewater from some...
The Pesticide Monitoring Program samples groundwater (drinking water wells), stream water and stream sediment. Drinking Water Well Sampling Over 100 groundwater drinking wells are monitored annually, including those that provide drinking water to private homes, schools...
The classification, sale, use of pesticides in Prince Edward Island are regulated by the Pesticides Control Act and Regulations. All pesticides are classified according to the toxicity and intended use of the product. Only licensed vendors with certified sales staff are permitted to sell pesticide products classified as non-domestic pesticides or controlled-purchase domestic pesticides. Anyone who purchases a non-domestic (commercial) pesticide must be certified or hold a valid pesticide purchase permit for the product they are purchasing. Pesticide vendors are responsible for recording the...