Early indicators - Sewage water examination

Virus particles in wastewater

If you are infected with coronavirus, there are likely to be virus particles in your stool. These are flushed down the toilet and end up in wastewater. By testing samples of wastewater collected at wastewater treatment plants, we can get information about how widespread the virus is in the community. To find out more about the information on this page, go to ‘Explanation of the data presented’.

Last values obtained on Monday, 14 June. Is updated on a daily basis.

Source: RIVM

Download data: RIVM

Average number of virus particles per 100,000 inhabitants

137.21
43.06 less than the previous value
x100 billion

The calculated average is based on all the wastewater measurements collected in one week. This figure also takes account of how many inhabitants are served by a wastewater treatment plant.

Value from Monday, 31 May - Sunday, 6 June · Source: RIVM

Number of measurements per week

309

302 of the 315 sampling locations reported at least one measurement in the given week.

Sampling locations can report multiple measurements per week. The number of measurements used per location per week can differ because not all measurements are successful.

Value from Monday, 31 May - Sunday, 6 June · Source: RIVM

Average number of virus particles over time (per 100,000 inhabitants)

This graph shows the average number of virus particles over time per 100,000 inhabitants.

x100 billion
7 Sep 20206 Jun 20210200400600800

Source: RIVM

Average number of virus particles per 100,000 inhabitants

This map shows the average number of virus particles per 100,000 inhabitants, per safety region.

Legend

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x100 billion