How hard is the water in Postcode 54424?

TWIST RLP - ZHB GRUWA Thalfang (WW), TW publishes a total hardness of 0.59 mmol/l for the supply zone ZHB GRUWA Thalfang (WW), TW — that corresponds to 3.3 °dH. 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 13/07/2026.

How much nitrate is in the drinking water in Postcode 54424?

TWIST RLP - ZHB GRUWA Thalfang (WW), TW publishes a nitrate value of 5.9 mg/L for the supply zone ZHB GRUWA Thalfang (WW), TW. The statutory parametric value is 50 mg/l; the measured value represents 12 % of the parametric value. Basis: Publication by the water supplier, retrieved on 13/07/2026.

Are PFAS detectable in the drinking water in Postcode 54424?

TWIST RLP - ZHB GRUWA Thalfang (WW), TW publishes for the supply zone ZHB GRUWA Thalfang (WW), TW a sum value PFAS-20 of 0 µg/L. The statutory parametric value is 0.1 µg/l; the measured value represents 0 % of the parametric value. For the sum of the 20 individual substances, this parametric value has applied since 12/01/2026. Basis: Publication by the water supplier, retrieved on 13/07/2026.

Who supplies the drinking water in Postcode 54424?

TWIST RLP - ZHB GRUWA Thalfang (WW), TW. The values shown here come from the supply zone ZHB GRUWA Thalfang (WW), TW 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.

Drinking water in 54424

One supply zone, water supplier: TWIST RLP - ZHB GRUWA Thalfang (WW), TW.

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.

ZHB GRUWA Thalfang (WW), TW

TWIST RLP - ZHB GRUWA Thalfang (WW), TW

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

3.3 °dH

Hardness range soft

Key values ZHB GRUWA Thalfang (WW), TW
Parameter	Value	Parametric value	Share of the parametric value	Reference
Sum of PFAS	0 µg/L	0.1 µg/l	0 %	Mean · ZHB GRUWA Thalfang (WW), TW
Nitrate	5.9 mg/L	50 mg/l	12 %	Mean · ZHB GRUWA Thalfang (WW), TW
Lead	< 1 µg/L below limit of quantification	10 µg/l	< 10 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Escherichia coli (E. coli)	0 Anzahl/100ml	0/100 ml	—	Mean · ZHB GRUWA Thalfang (WW), TW
Sulphate	5.5 mg/L	250 mg/l	2 %	Mean · ZHB GRUWA Thalfang (WW), TW
Sodium	4.7 mg/L	200 mg/l	2 %	Mean · ZHB GRUWA Thalfang (WW), TW

* 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 (31 — most recent value per parameter)

Microbiology (1)

Microbiology – ZHB GRUWA Thalfang (WW), TW
Parameter	Value	Parametric value	Share of the parametric value	Reference
Escherichia coli (E. coli)	0 Anzahl/100ml	0/100 ml	—	Mean · ZHB GRUWA Thalfang (WW), TW

Chemical parameters (14)

Chemical parameters – ZHB GRUWA Thalfang (WW), TW
Parameter	Value	Parametric value	Share of the parametric value	Reference
Antimony	< 0.5 µg/L below limit of quantification	5 µg/l	< 10 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Arsenic	< 1 µg/L below limit of quantification	10 µg/l	< 10 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Boron	< 0.05 mg/L below limit of quantification	1 mg/l	< 5 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Cadmium	< 0.5 µg/L below limit of quantification	3 µg/l	< 17 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Copper	< 0.005 mg/L below limit of quantification	2 mg/l	< 0.3 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Cyanide	< 0.005 mg/L below limit of quantification	50 µg/l	< 10 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Fluoride	< 0.04 mg/L below limit of quantification	1.5 mg/l	< 3 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Lead	< 1 µg/L below limit of quantification	10 µg/l	< 10 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Mercury	< 0.1 µg/L below limit of quantification	1 µg/l	< 10 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Nickel	< 3 µg/L below limit of quantification	20 µg/l	< 15 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Nitrate	5.9 mg/L	50 mg/l	12 %	Mean · ZHB GRUWA Thalfang (WW), TW
Nitrite	< 0.005 mg/L below limit of quantification	0.5 mg/l	< 1 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Selenium	< 1 µg/L below limit of quantification	10 µg/l	< 10 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Uranium	< 0.5 µg/L below limit of quantification	10 µg/l	< 5 % *	Mean · ZHB GRUWA Thalfang (WW), TW

PFAS (1)

PFAS – ZHB GRUWA Thalfang (WW), TW
Parameter	Value	Parametric value	Share of the parametric value	Reference
Sum of PFAS	0 µg/L	0.1 µg/l	0 %	Mean · ZHB GRUWA Thalfang (WW), TW

Indicator parameters (10)

Indicator parameters – ZHB GRUWA Thalfang (WW), TW
Parameter	Value	Parametric value	Share of the parametric value	Reference
Aluminium	0.049 mg/L	0.2 mg/l	25 %	Mean · ZHB GRUWA Thalfang (WW), TW
Ammonium	< 0.02 mg/L below limit of quantification	0.5 mg/l	< 4 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Chloride	8.3 mg/L	250 mg/l	3 %	Mean · ZHB GRUWA Thalfang (WW), TW
Coliform bacteria	0 Anzahl/100ml	0/100 ml	—	Mean · ZHB GRUWA Thalfang (WW), TW
Iron	< 0.02 mg/L below limit of quantification	0.2 mg/l	< 10 % *	Mean · ZHB GRUWA Thalfang (WW), TW
Manganese	< 0.001 mg/L below limit of quantification	50 µg/l	< 2 % *	Mean · ZHB GRUWA Thalfang (WW), TW
pH	7.95 -	6,5–9,5	—	Mean · ZHB GRUWA Thalfang (WW), TW
Sodium	4.7 mg/L	200 mg/l	2 %	Mean · ZHB GRUWA Thalfang (WW), TW
Sulphate	5.5 mg/L	250 mg/l	2 %	Mean · ZHB GRUWA Thalfang (WW), TW
Temperature	9.4 °C	—	—	Mean · ZHB GRUWA Thalfang (WW), TW

Further parameters (5)

Further parameters – ZHB GRUWA Thalfang (WW), TW
Parameter	Value	Parametric value	Share of the parametric value	Reference
Calcium	22.7 mg/L	—	—	Mean · ZHB GRUWA Thalfang (WW), TW
Magnesium	1.7 mg/L	—	—	Mean · ZHB GRUWA Thalfang (WW), TW
Potassium	< 0.5 mg/L below limit of quantification	—	—	Mean · ZHB GRUWA Thalfang (WW), TW
Total hardness	0.59 mmol/l	—	—	Mean · ZHB GRUWA Thalfang (WW), TW
Zinc	0.007 mg/L	—	—	Mean · ZHB GRUWA Thalfang (WW), TW

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.

Source: https://geodaten-wasser.rlp-umwelt.de/twist/2676695051/trinkwasserqualitaet · Mittelwerte · retrieved on 13/07/2026

Frequent questions about postcode 54424

How hard is the water in Postcode 54424?: TWIST RLP - ZHB GRUWA Thalfang (WW), TW publishes a total hardness of 0.59 mmol/l for the supply zone ZHB GRUWA Thalfang (WW), TW — that corresponds to 3.3 °dH. 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 13/07/2026.
How much nitrate is in the drinking water in Postcode 54424?: TWIST RLP - ZHB GRUWA Thalfang (WW), TW publishes a nitrate value of 5.9 mg/L for the supply zone ZHB GRUWA Thalfang (WW), TW. The statutory parametric value is 50 mg/l; the measured value represents 12 % of the parametric value. Basis: Publication by the water supplier, retrieved on 13/07/2026.
Are PFAS detectable in the drinking water in Postcode 54424?: TWIST RLP - ZHB GRUWA Thalfang (WW), TW publishes for the supply zone ZHB GRUWA Thalfang (WW), TW a sum value PFAS-20 of 0 µg/L. The statutory parametric value is 0.1 µg/l; the measured value represents 0 % of the parametric value. For the sum of the 20 individual substances, this parametric value has applied since 12/01/2026. Basis: Publication by the water supplier, retrieved on 13/07/2026.
Who supplies the drinking water in Postcode 54424?: TWIST RLP - ZHB GRUWA Thalfang (WW), TW. The values shown here come from the supply zone ZHB GRUWA Thalfang (WW), TW 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.