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Water Sample Collection Procedure
2018-07-10
Sample bottles for chemistry and bacterial analysis and the required forms are available at Access PEI sites (outside Charlottetown) or at the PEI Analytical Laboratories, 23 Innovation Way, Charlottetown. There are two analysis bottles available: Bacteria analysis uses a sterile clear plastic...
How to Disinfect Your Well
2018-07-10
Chemical disinfection or chlorination of a water supply is suggested when a well has been found to be contaminated by bacteria. New wells and repaired wells, and any associated plumbing, should be disinfected before being put into service. The routine annual disinfection of a well will also help to...
Antimony in Drinking Water
2018-07-10
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 manufacturing processes or by...
Arsenic in Drinking Water
2018-07-10
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 through human...
Chloride in Drinking Water
2018-07-10
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 including the...
Iron in Drinking Water
2018-07-10
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 reddish-brown...
Nitrate in Drinking Water
2018-07-10
Nitrate is a naturally occurring form of nitrogen that is commonly found throughout the environment. It is present at low levels in most groundwaters, but can be present significantly higher levels in areas with extensive use of fertilizers, storage and spreading of manure or widespread use of...
Selenium in Drinking Water
2018-07-10
Selenium is a naturally occurring element that is widely distributed throughout the Earth’s rocks and soils and is found in trace quantities in most plant and animal tissues. Selenium can be dissolved by weathering of minerals in the soil or rock or deposited from atmospheric sources and be present...
Sodium in Drinking Water
2018-07-10
Sodium is a naturally occurring element that is widely distributed throughout the Earth’s rocks and soils, most often found in combination with chloride in the form of salt (sodium chloride). The presence of sodium in groundwater can result from a number of sources including the weathering of...
Uranium in Drinking Water
2018-07-10
Uranium is a naturally occurring element that is widely distributed throughout the Earth’s rocks and soils. Uranium can be dissolved from minerals in the soil or rock and be present in groundwater. The concentration of uranium in water is typically very small, but varies from region to region;...