The affected property owner has been informed and is recommended not to use the water from their private well for cooking and drinking, writes the Defence Forces in a press release.
The Defence Forces conducted sampling of PFAS substances in 28 private wells around Ärna airbase last autumn to get a clearer picture of how they spread through groundwater. PFAS is a collective term for chemicals that do not break down in nature.
In four wells, the guideline value for PFAS was exceeded, and the affected parties were advised to use bottled water for drinking and cooking.
In January, it was discovered that one of the samples with high values was mixed up, and that there was no fault with the water in that particular well.
On Wednesday, another incorrect result was discovered – this time showing that the water contained too much PFAS.
The Defence Forces state that the samples were analyzed by an external analysis company.
"It is unacceptable that errors in the results are revealed so long after the fact", says Major General Stefan Sandborg, head of the Defence Forces' support division.
"We understand that it creates both frustration and concern among residents around Ärna".
A new round of sampling will now be conducted so that both property owners and the Defence Forces get correct measurement values.
