How St. John's is built
- Before 1961 22%
- 1961–1990 42%
- 1991–2000 11%
- 2001 or later 26%
Wells in St. John's
Most of St. John's is on municipal water, but the city's boundaries include rural fringe areas.
Local program: For the free provincial bacteria test, St. John's samples go to the NL Public Health Laboratory at the Miller Centre rather than a Government Service Centre. Details
How testing works in Newfoundland and Labrador
Free bacteria testing: sterile bottles are at Government Service Centres and the NL Public Health Laboratory. Chemistry goes to an approved private lab for a fee.
What to test for
- Bacteria (total coliforms and E. coli): at least once a year, and after flooding, heavy rain or work on the well.
- Nitrate, especially near farmland or septic systems.
- Metals and naturally occurring contaminants such as arsenic, uranium or manganese when a well is new and every few years after, depending on local geology.
Well water testing in St. John's: common questions
Is well water testing free in Newfoundland and Labrador?
Free bacteria testing: sterile bottles are at Government Service Centres and the NL Public Health Laboratory. Chemistry goes to an approved private lab for a fee.
How often should I test my well?
For bacteria, at least once a year and after flooding, heavy rain or well work; many health units recommend more often. Test chemistry when the well is new and every few years after.
Are private wells common in St. John's?
Most of St. John's is on municipal water, but the city's boundaries include rural fringe areas.