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City Scugog

Water system Port Perry Drinking Water System

Municipal drinking-water system

Worth a closer look

Recent public records include a few items that deserve attention.

6 Over-limit tests

Lead, Total coliform · over the last 4 years

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6 Incident records

over the last 4 years

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▸ How to read these numbers
  • Over-limit tests. That is a regulatory flag in the public record. A count alone does not say how long a result lasted, whether it was retested, or that every tap in the building was affected. Open the detailed records for timing and context.
  • Incident records. Ontario systems must file these reports for many operational signals (sampling flags, instrument notices, follow-ups, and similar). A report is not the same as an “accident,” and a high count does not by itself mean people at this building had a water emergency. Open the detailed records for what was filed.

Worth knowing day to day

Plant averages from the provincial monitoring program (not this year’s report and not your kitchen tap). When enough samples exist from 2019 onward, we prefer that recent window and compare it to the longer record.

Hardness and mineral scale icon A kettle showing mineral scale build-up

Hardness · 243 mg/L as CaCO3 Very hard water · soft <60 · hard 60–180 · very hard >180 mg/L

Longer-term only (too few samples from 2019 onward) · 1998–2005 · 13 samples

More scale on kettles, faucets, and appliances. Soap often lathers poorly.

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Chloride and road-salt icon A snowflake and a road outline, representing runoff signals

Chloride · 20 mg/L Typical levels · taste ≤250 mg/L (Ontario)

Longer-term only (too few samples from 2019 onward) · 1998–2007 · 14 samples

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Nitrate context icon A plant leaf, representing agricultural fertilizer runoff

Nitrate + Nitrite · 0 mg/L as N Typical levels · standard 10 mg/L as N (Ontario)

Longer-term only (too few samples from 2019 onward) · 2003–2005 · 3 samples

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Fluoride and dental health icon A clean tooth outline, representing fluoridation protection

Fluoride · 0.1 mg/L Typical levels · target 0.5–0.8 · max 1.5 mg/L

Longer-term only (too few samples from 2019 onward) · 1998–2007 · 14 samples

Learn more →

Next steps

How to read this record → Ask your municipality →
What's behind these numbers

Years covered: 2024-25, 2023-24, 2022-23, 2021-22.

What the numbers refer to

Over-limit tests

Regulatory flags when a monitored result was above an Ontario standard. A count alone does not say how long a result lasted or that every tap was affected.

6 over-limit tests in recent records.

  • 4,780 recent test results processed.
  • Parameters involved: Lead, Total coliform.

Incident records

Incident records are required system filings — not a count of taps affected, and not automatically a drinking-water emergency.

  • 6 incident records in public records — not a count of taps affected.
Other public-record context

Inspection history

Provincial inspection scores have generally been high in the years available.

  • MRS inspection ratings in recent years: 100.0%, 100.0%, 100.0%, 100.0%.
  • Inspection ratings come from the MRS Inspection Rating Water Quality table.
  • Other recent records include: 6 over-limit tests and 6 incident records.
  • Inspection ratings summarize provincial inspections, not every individual test.

Source and operator context

Owner: Durham, The Regional Municipality Of

Source-water context has not yet been linked from local intake-station data.

Evidence

  • Owner on record: DURHAM, THE REGIONAL MUNICIPALITY OF (Owner Legal Name, Test Results).
  • Operating authority was not present in the local records we processed.
  • Source-water context has not yet been linked from local intake-station data.
  • Contact details (phone, website, email) are not available in the local provincial open-data files we processed.

Nearby reports

Other public records related to Scugog.

  • Confidence: high
    Why shown: Direct DWS number and system-name match.
    Limitation: This is a related public-record result, not a confirmed household service-boundary match.
  • Confidence: high
    Why shown: Direct DWS number and system-name match.
    Limitation: This is a related public-record result, not a confirmed household service-boundary match.
  • Confidence: high
    Why shown: Direct DWS number and system-name match.
    Limitation: This is a related public-record result, not a confirmed household service-boundary match.
  • Confidence: high
    Why shown: Direct DWS number and system-name match.
    Limitation: This is a related public-record result, not a confirmed household service-boundary match.
  • Confidence: high
    Why shown: Direct DWS number and system-name match.
    Limitation: This is a related public-record result, not a confirmed household service-boundary match.
  • Confidence: high
    Why shown: Direct DWS number and system-name match.
    Limitation: This is a related public-record result, not a confirmed household service-boundary match.

Reports related to this area, grouped by municipality field. Not a confirmed household service-boundary match.

About this record set

Data coverage

Based on public records for 4 recent fiscal years: 2024-25, 2023-24, 2022-23, 2021-22.

  • Covers recent fiscal years only; older years are not summarized here.

Record identifiers

System number:
220004830
System category:
LMRS (Municipal drinking-water system)
Owner on record:
DURHAM, THE REGIONAL MUNICIPALITY OF
Public health unit:
REGIONAL MUNICIPALITY OF DURHAM HEALTH DEPARTMENT
Regulation:
Reg 170/03