PFAS in Masku's tap water: no test result published yet
Last check: · Source: Ruokavirasto / Syke
No PFAS result for Masku yet, we notify you when one is published
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PFAS in drinking water
PFAS-4 is not published for this supply area
More about this result
No PFAS result is published for Masku in the data retrieved on 28 September 2026 (Ruokavirasto (VATI) / Suomen ympäristökeskus Syke, Juomavesidirektiivi-rajapinta). PFAS testing of drinking water has been mandatory across the EU since January 2026. The latest published check dates from 18 August 2026.
The four EFSA compounds (PFOA, PFOS, PFNA, PFHxS) are not reported separately, so the 4 ng/L health benchmark and this site's 0.5 ng/L benchmark cannot be checked.
PFAS-20 monitoring is mandatory since 12 January 2026; 158 of 287 municipalities have a published result so far.
- Latest water check
- 18 August 2026
- Water supplier
- Maskun Vesihuolto Oy
No PFAS result is published for Masku in the data retrieved on 28 September 2026 (Ruokavirasto (VATI) / Suomen ympäristökeskus Syke, Juomavesidirektiivi-rajapinta). PFAS testing of drinking water has been mandatory across the EU since January 2026. The latest published check dates from 18 August 2026.
Details and sources
What the latest check found
The authorities have not published an overall verdict for this water.
Values to watch
These results are close to their legal limit, or over it.
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Fluoride | 0.88 mg/L | ≤ 1.5 mg/L | within the limit |
See all 25 test results
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 1.7 mg/L | ≤ 50 mg/L | within the limit |
| Nitrite | 0.02 mg/L | ≤ 0.5 mg/L | within the limit |
| Lead | 0.11 µg/L | ≤ 10 µg/L | within the limit |
| Copper | 0.094 mg/L | ≤ 2 mg/L | within the limit |
| Nickel | 0.3 µg/L | ≤ 20 µg/L | within the limit |
| Arsenic | 0.2 µg/L | ≤ 10 µg/L | within the limit |
| Cadmium | 0.02 µg/L | ≤ 5 µg/L | within the limit |
| Chromium | <0.05 µg/L | ≤ 50 µg/L | within the limit |
| Uranium | 0.06 µg/L | ≤ 30 µg/L | within the limit |
| Fluoride | 0.88 mg/L | ≤ 1.5 mg/L | within the limit |
| Escherichia coli | 0 n/(100mL) | ≤ 0 n/(100mL) | within the limit |
| Enterococci | 0 n/(100mL) | ≤ 0 n/(100mL) | within the limit |
| Coliform bacteria | 0 n/(100mL) | ≤ 0 n/(100mL) | within the limit |
| pH | 8.3 | 6.5–9.5 pH | within the limit |
| Water hardness | 0.55 mmol/L | no limit | for reference |
| Electrical conductivity | 140 µS/cm | ≤ 2,500 µS/cm | within the limit |
| Chloride | 8.9 mg/L | ≤ 250 mg/L | within the limit |
| Sulphate | 14 mg/L | ≤ 250 mg/L | within the limit |
| Sodium | 5.4 mg/L | ≤ 200 mg/L | within the limit |
| Iron | 3 µg/L | ≤ 200 µg/L | within the limit |
| Manganese | 1 µg/L | ≤ 50 µg/L | within the limit |
| Aluminium | 13 µg/L | ≤ 200 µg/L | within the limit |
| Ammonium | 0.014 mg/L | ≤ 0.5 mg/L | within the limit |
| Oxidisability (permanganate index) | 0.9 mg O2/L | ≤ 5 mg O2/L | within the limit |
| Calcium | 19 mg/L | no limit | for reference |
Frequently asked questions
Is tap water in Masku safe to drink?
All the values shown here (18 August 2026) are within the legal limits, but the authorities have not published an overall verdict for this water. The four EFSA compounds (PFAS-4) are not itemised, so this water cannot be compared with the 0.5 ng/L health benchmark used by pfasnearme.
How high are PFAS levels in Masku's drinking water?
No PFAS results have been published for Masku yet. Testing has been required across the EU since January 2026. We will show the values here as soon as they come out.
Which PFAS limits apply in Finland?
Finland applies decree STM 1352/2015 of the Ministry of Social Affairs and Health as amended by 2/2023: "PFAS-aineiden summa" (sum of 20 PFAS) at most 0.10 µg/l, that is 100 ng/L, applied from 12 January 2026. There is no national PFAS-4 limit; Sweden applies 4 ng/L. This site's 0.5 ng/L benchmark is stricter than both.
How hard is the water in Masku?
The water hardness in Masku is 0.6 mmol/L (soft). This mainly matters for household appliances and detergent dosing, not for health.
Where does this data come from?
All values come from official publications: Ruokavirasto (VATI) / Suomen ympäristökeskus Syke, Juomavesidirektiivi-rajapinta. Retrieved on 28 September 2026.
Nearby cities
The closest to Masku on this site.
Data source
- Ruokavirasto (VATI) / Suomen ympäristökeskus Syke, Juomavesidirektiivi-rajapinta
- https://rajapinnat.ymparisto.fi/api/juomavesidirektiivi-vati/swagger/v1/swagger.json
- License
- CC BY 4.0
- Retrieved
- 28 September 2026
- Supply networks
- Maskun vedenjakelualue
Lähde: Ruokavirasto (VATI) / Suomen ympäristökeskus Syke, Juomavesidirektiivi-rajapinta, CC BY 4.0, haettu 2026-09-28. Vedenjakelualue: Maskun vedenjakelualue (Maskun Vesihuolto Oy). PFAS-yhdisteiden summan (20 yhdistettä) raja-arvo on 0,10 µg/l (STM 1352/2015, muutos 2/2023, sovellettu 12.1.2026 alkaen). Neljän EFSA-yhdisteen summaa (PFAS-4) ei julkaista. Rajapinta julkaisee kunkin muuttujan uusimman tuloksen; taulukon arvo on korkein kunnan alueilta viimeisten 24 kuukauden aikana julkaistu tulos (vanhempi tulos vain, jos uudempaa ei ole), alue on merkitty riville.
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.