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Italy · Comune

Drinking water in Clivio

One supply zone, published by ALFA S.r.l.. The values come from the publications of the Italian water suppliers (gestori), which D.Lgs. 18/2023 requires of them from 12 January 2026. Italian parametric values apply: trihalomethanes 30 instead of 50 µg/l, chromium 25 µg/l, uranium 30 instead of 10 µg/l; for hardness there is no maximum value, it is given in French degrees (°F).

Comune di Clivio

ALFA S.r.l.

These values are more than a year old. The most recent analysis the water supplier has published for this zone dates from 03/06/2025. We have no newer values — which is why we show the latest available ones rather than none at all. They say nothing about how the water has changed since then.

Key values Comune di Clivio
Parameter Value Parametric value Share of the parametric value Reference
Sum of PFAS 0,0136 µg/l 0.1 µg/l
14 %
Maximum · Comune di Clivio · Source [2]
Nitrate 13 mg/l 50 mg/l
26 %
Median · Comune di Clivio · Source [1]
Lead < 1 µg/l
below limit of quantification
10 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
Escherichia coli (E. coli) 0 UFC/100ml 0/100 ml Maximum · Median 0 · Comune di Clivio · Source [1]
Sulphate 27 mg/l 250 mg/l
11 %
Median · Comune di Clivio · Source [1]
Sodium 5 mg/l 200 mg/l
3 %
Median · Comune di Clivio · Source [1]

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Show all recorded parameters (61 — most recent value per parameter)

Microbiology (2)

Microbiology – Comune di Clivio
Parameter Value Parametric value Share of the parametric value Reference
Escherichia coli (E. coli) 0 UFC/100ml 0/100 ml Maximum · Median 0 · Comune di Clivio · Source [1]
Intestinal enterococci 0 UFC/100ml 0/100 ml Maximum · Median 0 · Comune di Clivio · Source [1]

Chemical parameters (33)

Chemical parameters – Comune di Clivio
Parameter Value Parametric value Share of the parametric value Reference
1,2-dichloroethane < 0,9 µg/l
below limit of quantification
3 µg/l
< 30 % *
Maximum · Comune di Clivio · Source [1]
Alachlor < 0,01 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Antimony < 1 µg/l
below limit of quantification
10 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
Arsenic < 1 µg/l
below limit of quantification
10 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
Atrazine < 0,01 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Bentazone < 0,01 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Benzene < 0,3 µg/l
below limit of quantification
1 µg/l
< 30 % *
Maximum · Comune di Clivio · Source [1]
Boron < 0,3 mg/l
below limit of quantification
1.5 mg/l
< 20 % *
Maximum · Comune di Clivio · Source [1]
Bromodichloromethane < 1 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Cadmium < 1,0 µg/l
below limit of quantification
5 µg/l
< 20 % *
Maximum · Comune di Clivio · Source [1]
Chlorate < 0,05 mg/l
below limit of quantification
0,25 — bzw. 0,70 bei Desinfektion mit Chlordioxid Maximum · Comune di Clivio · Source [2]
Chlorite < 0,05 mg/l
below limit of quantification
0,25 — bzw. 0,70 bei Desinfektion mit Chlordioxid Maximum · Comune di Clivio · Source [2]
Chromium < 5 µg/l
below limit of quantification
50 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
Copper < 0,2 mg/l
below limit of quantification
2 mg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
Dibromochloromethane 1 µg/l Maximum · Comune di Clivio · Source [1]
Fluoride 0,1 mg/l 1.5 mg/l
7 %
Median · Comune di Clivio · Source [1]
Lead < 1 µg/l
below limit of quantification
10 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
Molinate < 0,01 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Nickel < 2 µg/l
below limit of quantification
20 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
Nitrate 13 mg/l 50 mg/l
26 %
Median · Comune di Clivio · Source [1]
Nitrite < 0,05 mg/l
below limit of quantification
0.5 mg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
Pesticides — Total 0,02 µg/l 0.5 µg/l
4 %
Median · Comune di Clivio · Source [3]
Polycyclic aromatic hydrocarbons < 0,01 µg/l
below limit of quantification
0.1 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [3]
Propazine < 0,01 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Selenium < 1 µg/l
below limit of quantification
20 µg/l
< 5 % *
Maximum · Comune di Clivio · Source [1]
Simazine < 0,01 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Terbuthylazine < 0,01 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Tetrachloroethene < 1 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Tetrachloroethene and Trichloroethene (sum) < 1 µg/l
below limit of quantification
10 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [3]
Tribromomethane (bromoform) < 1 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Trichloroethene < 1 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Trichloromethane (chloroform) 2 µg/l Median · Comune di Clivio · Source [3]
Trihalomethanes — Total 3 µg/l 30 µg/l
10 %
Median · Comune di Clivio · Source [3]

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

PFAS (5)

PFAS – Comune di Clivio
Parameter Value Parametric value Share of the parametric value Reference
HFPO-DA (GenX) < 0,010 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Perfluorodecane sulfonic acid (PFDS) < 0,010 µg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Sum of 4 PFAS 0,0113 µg/l 20 ng/l
56 %
Maximum · Comune di Clivio · Source [2]
Sum of PFAS 0,0136 µg/l 0.1 µg/l
14 %
Maximum · Comune di Clivio · Source [2]
Trifluoroacetic acid (TFA) 2 µg/l 10 µg/l
20 %
Maximum · Comune di Clivio · Source [4]

Indicator parameters (13)

Indicator parameters – Comune di Clivio
Parameter Value Parametric value Share of the parametric value Reference
Aluminium 10 µg/l 0.2 mg/l
5 %
Maximum · Comune di Clivio · Source [1]
Ammonium < 0,10 mg/l
below limit of quantification
0.5 mg/l
< 20 % *
Maximum · Comune di Clivio · Source [1]
Chloride 7 mg/l 250 mg/l
3 %
Median · Comune di Clivio · Source [1]
Clostridium perfringens (including spores) 0 UFC/100ml 0/100 ml Maximum · Median 0 · Comune di Clivio · Source [1]
Coliform bacteria 1 UFC/100ml 0/100 ml above the parametric value — this parameter must not be detectable Maximum · Median 0 · Comune di Clivio · Source [1]
Colony count 22 °C 0 UFC/1ml senza variazioni anomale Median · Comune di Clivio · Source [1]
Iron 14 µg/l 0.2 mg/l
7 %
Median · Comune di Clivio · Source [1]
Manganese < 5 µg/l
below limit of quantification
50 µg/l
< 10 % *
Maximum · Comune di Clivio · Source [1]
pH 7,3 pH_unit 6,5–9,5 Median · Comune di Clivio · Source [1]
Sodium 5 mg/l 200 mg/l
3 %
Median · Comune di Clivio · Source [1]
Sulphate 27 mg/l 250 mg/l
11 %
Median · Comune di Clivio · Source [1]
Total organic carbon (TOC) < 0,3 mg/l
below limit of quantification
senza variazioni anomale Maximum · Comune di Clivio · Source [1]
Turbidity 0,35 NTU accettabile per i consumatori, senza variazioni anomale Median · Comune di Clivio · Source [1]

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

An exceedance of a parametric value does not automatically mean a health risk; the statutory parametric values include safety margins. Assessment and any measures are the responsibility of the competent health authority of the respective country.

Further parameters (8)

Further parameters – Comune di Clivio
Parameter Value Parametric value Share of the parametric value Reference
Barium < 2 mg/l
below limit of quantification
Maximum · Comune di Clivio · Source [1]
Calcium 97 mg/l Median · Comune di Clivio · Source [1]
Dry residue 392 mg/l Median · Comune di Clivio · Source [1]
Magnesium 19 mg/l Median · Comune di Clivio · Source [1]
Potassium 1 mg/l Median · Comune di Clivio · Source [1]
Total hardness 32 ° f Median · Comune di Clivio · Source [1]
Vanadium < 10 µg/l
below limit of quantification
0.14 mg/l
< 7 % *
Maximum · Comune di Clivio · Source [1]
Zinc 23 µg/l Median · Comune di Clivio · Source [1]

* Value below the limit of quantification: the actual share of the parametric value is not known; it lies somewhere below the stated upper bound. The marker shows where the limit of quantification of the measurement lies relative to the parametric value.

Values taken unchanged from the publications linked below — for each parameter the most recent recorded value. „—" in the parametric value column: no currently valid legal parametric value is stored in our database for this parameter; the parameter register with all parametric values is being expanded continuously.

Sources: [1] https://www.alfavarese.it/sites/default/files/public%3A//report_acqua/Dati%20I%20e%20II%20Trimestre%202025_RETE.xlsx · I Semestre 2025_RETE_Alfa · Campionamenti dal 05.02.2025 al 03.06.2025 · retrieved on 08/07/2026 [2] https://www.alfavarese.it/sites/default/files/public%3A//report_acqua/III%20Trimestre.xlsx · III Trimestre 2025_RETE_Alfa · Campionamenti dal 14.08.2025 al 15.09.2025 · retrieved on 08/07/2026 [3] https://www.alfavarese.it/sites/default/files/public%3A//report_acqua/I%20Trimestre.xlsx · Alfa - I trimestre 2026 · Campionamenti dal 15.01.2026 al 16.03.2026 · retrieved on 08/07/2026 [4] https://www.alfavarese.it/sites/default/files/public%3A//report_acqua/IV%20Trimestre.xlsx · IV Trimestre 2025_RETE_Alfa · Campionamenti dal 06.10.2025 al 07.11.2025 · retrieved on 08/07/2026

How to read the share of the parametric value

12 % Share of the parametric value. The proportion of the permitted maximum that the measured value uses — here 12 %, so just over an eighth.
< 10 % * Below the limit of quantification. The substance was not detectable. The mark shows where the detection limit lies relative to the parametric value — the actual share of the parametric value is below that.

Several samples per year: for chemical parameters the mean value is given, for microbiological ones the highest measured value. There the parametric value is zero — a single finding would disappear in the average, and it is precisely that finding which is the information. Which reference applies is stated in the last column of the table.

Legal basis: Art. 18 D.Lgs. 18/2023 as amended by D.Lgs. 102/2025 (transposition of EU Directive 2020/2184). The values are not official — the publication of the Gestore, to which every row links, remains authoritative. Assignment of the comune: information in the analysis document, resolved against the municipality list of ISTAT (territorial status 01.01.2026, CC BY 4.0).