New Brunswick · Home health · checked September 28, 2026

Well water testing in Saint John

Most of Saint John is on municipal water, but the city's large land area includes rural sections. If yours is, here's how testing works in New Brunswick.

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Filling a water-sample bottle at a farmhouse kitchen tap with the aerator removed, snowy fields and a barn outside

Private wells in Saint John

Some rural areas

Testing cost

Paid (RPC or accredited lab)

Test for

Bacteria yearly or more

Extended panels

Nitrate, metals, more

How Saint John is built

Saint John's houses by when they were built Ten house shapes, one for each tenth of Saint John's 19,705 houses. Before 1961: 34%, 1961–1990: 44%, 1991–2000: 9%, 2001 or later: 13%. Older houses glow hotter.
  • Before 1961 34%
  • 1961–1990 44%
  • 1991–2000 9%
  • 2001 or later 13%
Each house stands for one in ten of Saint John's 19,705 houses (single-detached, semi-detached, row and duplex), drawn by when it was built. The glow shows the usual pattern: older houses tend to be leakier and less insulated. Snowfall scales with heating degree-days. Sources: Statistics Canada 2021 Census (table 98-10-0233-01), NRCan HOT2000 climate data.

Wells in Saint John

Most of Saint John is on municipal water, but the city's large land area includes rural sections.

Local program: SNB Saint John (15 King's Square North) is a designated pick-up/drop-off point for RPC well-water test kits; call ahead for sample days. Details

How testing works in New Brunswick

Owners pay: test kits are at Service New Brunswick offices or RPC, the designated provincial lab in Fredericton and Moncton. The province recommends testing for bacteria twice a year and for inorganic contaminants every two years.

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.

Our well water guide.

Well water testing in Saint John: common questions

Is well water testing free in New Brunswick?

Owners pay: test kits are at Service New Brunswick offices or RPC, the designated provincial lab in Fredericton and Moncton. The province recommends testing for bacteria twice a year and for inorganic contaminants every two years.

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 Saint John?

Most of Saint John is on municipal water, but the city's large land area includes rural sections.

Well water testing near Saint John

Well water testing in Fredericton81 kmWell water testing in Moncton123 kmWell water testing in Halifax204 kmWell water testing in Charlottetown247 kmWell water testing in Lévis431 km All 70 cities →

Sources

Checked September 28, 2026. Census figures are for the municipality (New Brunswick); climate data is NRCan's HOT2000 station Saint John (11 km away).

Ask about well water testing in Saint John

Tell us your postal code and what you’re dealing with. We’ll reply with the right kind of certified professional or lab for your area, and which programs apply.

Email us what you’re planning, your postal code and the type of building (a house, a duplex or triplex, or a larger multi-unit building) — we’ll reply with registered service organizations for your area and which rebates apply.

Email dave@clickshift.ca

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