How Cambridge is built
- Before 1961 23%
- 1961–1990 37%
- 1991–2000 16%
- 2001 or later 24%
Wells in Cambridge
Cambridge is largely urban and on the Region of Waterloo's municipal supply; in Waterloo Region, private wells are usually found in rural and agricultural areas.
Local program: Region of Waterloo Public Health: nitrate and fluoride tests for private wells at $21.40 each (bacteria test free via PHO), and well-water testing reminder emails. Details
How testing works in Ontario
Free bacteria testing through Public Health Ontario labs: pick up a kit at a PHO lab or your public health unit and drop it back off. Chemistry (nitrate, sodium, metals) goes to a licensed private lab for a fee. Local health units recommend testing at least three times a year: spring, summer and fall.
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 Cambridge: common questions
Is well water testing free in Ontario?
Free bacteria testing through Public Health Ontario labs: pick up a kit at a PHO lab or your public health unit and drop it back off. Chemistry (nitrate, sodium, metals) goes to a licensed private lab for a fee. Local health units recommend testing at least three times a year: spring, summer and fall.
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 Cambridge?
Cambridge is largely urban and on the Region of Waterloo's municipal supply; in Waterloo Region, private wells are usually found in rural and agricultural areas.