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INC-2026-0123

MEDIUMOpen

Reported by Sarah Kim — Water Treatment Operator

06 February 2026 at 12:15 pmWater Treatment PlantEnvironmental IncidentChemical ExposureNight Shift

Incident Description

Chlorine dosing pump malfunction led to over-dosing of treated water. Elevated chlorine levels detected at discharge point. Level exceeded licence limit for 2 hours before correction.

Immediate Actions Taken

  • 1Dosing pump isolated
  • 2Manual dosing initiated
  • 3Environmental regulator notification prepared
  • 4Downstream sampling commenced

Likelihood x Consequence Matrix

InsignificantMinorModerateMajorCatastrophic
Almost Certain
Likely
Possible
Unlikely
Rare

Likelihood

3 / 5 — Possible

Consequence

3 / 5 — Moderate

Risk Score

9/25

Failed / Breached Controls

Procedural Compliance

Standard procedure not fully followed

MEDIUM
Effectiveness
30%

Controls That Held

PPE Usage

All personnel wearing correct PPE

Effectiveness
100%

Supervision

Supervisor was present in the area

Effectiveness
75%

Priority Questions

  • What were the direct and contributing causes of this incident?
  • Were all relevant procedures followed by personnel involved?
  • Was there adequate supervision at the time of the incident?

Follow-Up Questions

  • Were there any similar incidents in the past that could have predicted this?
  • Were all personnel adequately trained for the task being performed?
  • Were environmental conditions a contributing factor?

Systemic Questions

  • Does this incident indicate a gap in the current risk management framework?
  • Are there systemic issues with procedure adherence in this area?
  • Would additional engineering controls reduce the likelihood of recurrence?
12:00 pm

Pre-start meeting completed

12:15 pm

Incident occurred

12:20 pm

Incident reported to supervisor

12:25 pm

Area secured and barricaded

12:35 pm

HSE team notified and on-scene

01:00 pm

Initial investigation commenced

01:15 pm

Report filed in SafetyScribe AI

Incident Details

Date & Time

06 February 2026 at 12:15 pm

Location

Water Treatment Plant

Type & Category

Environmental Incident

Chemical Exposure

Severity
Medium
Status
Open
Shift

Night Shift

Reported By

Sarah Kim — Water Treatment Operator

  • Water Treatment Operator — Sarah Kim
Night shiftEquipment malfunction
Chlorine Dosing PumpWater Quality Monitor

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