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Drinking water in Hofheim am Taunus

12 supply zones — values can differ depending on the district. Below is the zone with the most documented parameters, the others collapsed underneath. To determine the exact match, look up the postcode.

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.

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
19.5 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Diedenbergen
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Diedenbergen
Total hardness 19,5 °dH Single value · Diedenbergen

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.

Postcodes in this zone: 65719

Show 11 more supply zones

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
19.7 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Hofheim Hochzone Süd
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Hofheim Hochzone Süd
Total hardness 19,7 °dH Single value · Hofheim Hochzone Süd

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
22.4 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Hofheim Mittelzone
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Hofheim Mittelzone
Total hardness 22,4 °dH Single value · Hofheim Mittelzone

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
21 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Hofheim Nordzone
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Hofheim Nordzone
Total hardness 21,0 °dH Single value · Hofheim Nordzone

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
19.9 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Hofheim Südzone
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Hofheim Südzone
Total hardness 19,9 °dH Single value · Hofheim Südzone

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
18.1 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Langenhain
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Langenhain
Total hardness 18,1 °dH Single value · Langenhain

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
19.2 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Lorsbach Hochzone I
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Lorsbach Hochzone I
Total hardness 19,2 °dH Single value · Lorsbach Hochzone I

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
22.9 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Lorsbach Hochzone II
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Lorsbach Hochzone II
Total hardness 22,9 °dH Single value · Lorsbach Hochzone II

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
22.4 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Lorsbach Tiefzone
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Lorsbach Tiefzone
Total hardness 22,4 °dH Single value · Lorsbach Tiefzone

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
21.1 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Wallau Hochzone
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Wallau Hochzone
Total hardness 21,1 °dH Single value · Wallau Hochzone

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
19.4 °dH
Hardness range hart

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Wallau Tiefzone
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) hart Single value · Wallau Tiefzone
Total hardness 19,4 °dH Single value · Wallau Tiefzone

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.

Postcodes in this zone: 65719

Assigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.

No date is given for these values. The water supplier publishes the analysis without a sampling date and without a report date. When the water was examined is not apparent from the source — we do not add a date and we do not estimate one. What is stated is therefore only when we retrieved the document.

Water hardness
6.7 °dH
Hardness range weich

No core values are available for this zone yet.

Show all recorded parameters (2 — most recent value per parameter)

Further parameters (2)

Further parameters – Wildsachsen Hochzone
Parameter Value Parametric value Share of the parametric value Reference
Hardness range (WRMG) weich Single value · Wildsachsen Hochzone
Total hardness 6,7 °dH Single value · Wildsachsen Hochzone

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.

Postcodes in this zone: 65719

Frequently asked questions about drinking water in Hofheim am Taunus

How hard is the water in Hofheim am Taunus?
Stadtwerke Hofheim am Taunus (Eigenbetrieb der Kreisstadt Hofheim am Taunus) publishes a total hardness of 19.5 °dH for the supply zone Diedenbergen (hardness range hart). The hardness range is a classification under the German Detergents and Cleaning Products Act (soft below 8,4 °dH, medium 8,4 to 14 °dH, hard above that) and not a quality verdict — it indicates how much calcium and magnesium is dissolved in the water. Basis: Publication by the water supplier, retrieved on 11/07/2026.
Who supplies the drinking water in Hofheim am Taunus?
Stadtwerke Hofheim am Taunus (Eigenbetrieb der Kreisstadt Hofheim am Taunus). The values shown here come from the supply zone Diedenbergen and apply to the water the supplier delivers. What happens between the building connection and the tap — in old lead pipes, for example — is not covered by these analyses; information on that is provided by owners, the health authority or an examination by an accredited laboratory.

General questions — how current the data is, limit of quantification, parametric values, who is behind this site — are answered under Questions & answers.