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What the picker changes
  • Top topics digest — the cards score the selected period against the prior 4 weeks.
  • 12-week heatmap & outlet matrix — show the 12 weeks ending at the selected week (they slide back with the picker, they aren’t a fixed snapshot).
  • Per-topic volume / alias drift — same 12-week trailing window, anchored on the selected period.
  • Coverage gap quadrant — scores the selected period against the 12 weeks before it (not including it).
  • Anomaly cards — only show alerts the detector fired during the selected period. Quiet weeks legitimately show none.
What stays as-is
  • Outlet orientation strip / lean colours — context-only, drawn from the last 12 weeks of activity regardless.
  • Co-occurrence graph — recent-activity anchored, not picker-driven.
  • Source & topic profiles — all-time data for the topic; the picker doesn’t affect them.
Rolling 7 days is a sliding live window for “current vibes”; switch to Weekly to compare specific weeks side-by-side.
Weekly Rolling 7 days
live window
Press topic

Raw Sewage Spill

3 articles · 3 aliases in press · peaked week of 17 May 2026 · first seen 20 May 2026

The Moa Point wastewater treatment plant in Wellington will not be fully restored until 2027, with raw sewage treatment expected by November and full hydraulic capacity only achieved by late 2027, following a catastrophic failure caused by an air bubble and ongoing environmental,

Coverage by outlet lean Methodology →

Stacked weekly counts; colour by editorial lean. Stuff and The Spinoff lean centre-left, NZ Herald centre-right, others centre.

Alias drift

How press outlets have named this topic, week by week.

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Recent headlines

Most recent 3 articles linking to this topic.

Sample framings

Up to 12 framings spread across outlets. Each framing is the LLM's one-line characterisation of the article's editorial angle — not a quote.

rnz Centre

contamination and closure of daycare

Major Island Bay sewage spill caused by pieces of timber, Wellington Water says
8 Jun
nzherald Centre-right

environmental contamination from infrastructure failure

Heavy rain overwhelms Nelson wastewater system, raw sewage flows into river and estuary
1 Jun
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