Tipperary Tap Water Quality

EPA monitoring records for Water Supply Zones mapped to Tipperary contain 785 monitoring results across 70 parameters in 2025.

The separate EPA exceedance dataset contains 2 listed exceedance records across 2 parameters.

The most frequently listed were Lead (1) and pH (1).

These are historical monitoring records and do not confirm the current status of water at a specific address. Current notices are maintained by Uisce Éireann.

Latest monitoring year
2025
Page updated
September 2026
Water Supply Zones
2
785Monitoring results
70Parameters tested
2EPA-listed exceedances
55Samples

Monitoring results apply to the Water Supply Zones as a whole and may include sampling locations outside Tipperary.

Selected monitoring data

Key drinking water parameters

Parameters are shown when measurements are available. Text-only and censored values remain unchanged in the detailed history.

Lead

2025 median30.5 ug/l
2025 maximum52 ug/l
Measurements in 20255

1 EPA-listed exceedances in 2025.

View parameter history

Individual numeric measurements from 2021–2025. Text-only and censored results are retained in the history JSON and are not plotted as numbers.

Open this chart to load the measurements.

Numeric resultEPA-listed exceedance

2 numeric measurements available; 16 text-only records retained in JSON.

Nitrate

2025 median11.565
2025 maximum14.02
Measurements in 20255

0 EPA-listed exceedances in 2025.

View parameter history

Individual numeric measurements from 2021–2025. Text-only and censored results are retained in the history JSON and are not plotted as numbers.

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Numeric resultEPA-listed exceedance

8 numeric measurements available; 10 text-only records retained in JSON.

E. coli

2025 median0
2025 maximum0
Measurements in 202536

0 EPA-listed exceedances in 2025.

View parameter history

Individual numeric measurements from 2021–2025. Text-only and censored results are retained in the history JSON and are not plotted as numbers.

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Numeric resultEPA-listed exceedance

167 numeric measurements available; 0 text-only records retained in JSON.

Coliform Bacteria

2025 median0
2025 maximum0
Measurements in 202536

0 EPA-listed exceedances in 2025.

View parameter history

Individual numeric measurements from 2021–2025. Text-only and censored results are retained in the history JSON and are not plotted as numbers.

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Numeric resultEPA-listed exceedance

164 numeric measurements available; 0 text-only records retained in JSON.

Fluoride

2025 median0.7
2025 maximum0.8
Measurements in 20255

0 EPA-listed exceedances in 2025.

View parameter history

Individual numeric measurements from 2021–2025. Text-only and censored results are retained in the history JSON and are not plotted as numbers.

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Numeric resultEPA-listed exceedance

16 numeric measurements available; 2 text-only records retained in JSON.

Iron

2025 median20 ug/l
2025 maximum26 ug/l
Measurements in 202536

0 EPA-listed exceedances in 2025.

View parameter history

Individual numeric measurements from 2021–2025. Text-only and censored results are retained in the history JSON and are not plotted as numbers.

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Numeric resultEPA-listed exceedance

60 numeric measurements available; 107 text-only records retained in JSON.

Arsenic

2025 median—
2025 maximum—
Measurements in 20255

0 EPA-listed exceedances in 2025.

View parameter history

Individual numeric measurements from 2021–2025. Text-only and censored results are retained in the history JSON and are not plotted as numbers.

Open this chart to load the measurements.

Numeric resultEPA-listed exceedance

0 numeric measurements available; 18 text-only records retained in JSON.

2025785 results · 2 listed exceedances
Total results — independent scale
0 392.5 785 654 2021 547 2022 651 2023 605 2024 785 2025
Listed exceedances per 1,000 results — independent scale
0.000 1.274 2.548 1.529 2021 0.000 2022 0.000 2023 0.000 2024 2.548 2025

This is our descriptive frequency: listed exceedance records divided by result records, multiplied by 1,000. It is not an official EPA compliance rate. Differences in sampling volume and parameters tested affect comparisons. A missing denominator is shown as unavailable.

Monitoring history by year
YearResultsSamplesParametersListed exceedancesPer 1,000 results
2021654456611.529
2022547416600.000
2023651556700.000
2024605446700.000
2025785557022.548

Year-to-year detail

2025 compared with 2024

Changes describe dataset volumes only. The comparison uses the previous available year.

Results
2024605
2025785
+180
Listed exceedances
20240
20252
+2
Samples
202444
202555
+11
Parameters
202467
202570
+3

Parameters with EPA-listed exceedances

Values and limits are reproduced as reported. Different unit/limit pairs are shown separately.

Lead

1 listed exceedance records / 5 tests20.00%

Descriptive frequency of records, not an official compliance measure.

Highest listed result
52 ug/l
Reported limit
10 ug/l
Records with this unit/limit pair
1
Latest exceedance
02 Oct 2025

pH

1 listed exceedance records / 36 tests2.78%

Descriptive frequency of records, not an official compliance measure.

Highest listed result
6.26 pH Units
Reported limit
9.5 pH Units
Records with this unit/limit pair
1
Latest exceedance
23 Jul 2025

Across the year

When were listed exceedances recorded?

Each point represents one listed exceedance record. Records on the same date remain separate.

Lead02 Oct 2025
52 ug/lReported result
10 ug/lReported limit
Tipperary Town SupplyWater supply
JanFebMarAprMayJunJulAugSepOctNovDecLeadpH02 Oct 2025 — Lead: 52 ug/l; reported limit 10; Tipperary Town Supply; sample 8671/2510616/0223 Jul 2025 — pH: 6.26 pH Units; reported limit 9.5; Galtee Regional; sample 8671/2507530/03

2 listed exceedance records across 2 parameters in 2025.

Your mapped supply

Water supply

Every Water Supply Zone used for this page's headline figures is included. Geographic overlaps are reported separately and are not added together or weighted by population.

Tipperary Town PWS

83.59% geographic overlap with the Tipperary Built Up Area.

Technical mapping details
EDEN code
2900PUB0123
Local authority
Tipperary
Page totals
Included
Spatial rank
1
Historical EPA scheme
Available
Latest monitoring year
2025
Galtee Regional

14.27% geographic overlap with the Tipperary Built Up Area.

Technical mapping details
EDEN code
2900PUB0130
Local authority
Tipperary
Page totals
Included
Spatial rank
2
Historical EPA scheme
Available
Latest monitoring year
2025

Detailed data

The complete parameter and listed exceedance tables for the reporting year.

70 parameter rows2 listed exceedance records55 samples
Show detailed data70 parameters · 2 exceedance records

Complete parameter index

All parameters in 2025

All parameters with test results or listed exceedance records in the latest reporting year
1,2-dichloroethane5004 Nov 20252
2,3,6-trichlorobenzoic acid5004 Nov 20252
2,4-D5004 Nov 20252
Acrylamide5004 Nov 20252
Aluminium24008 Dec 20252
Ammonium5004 Nov 20252
Antimony5004 Nov 20252
Arsenic5004 Nov 20252
Atrazine5004 Nov 20252
Bentazone5004 Nov 20252
Benzene5004 Nov 20252
Benzo(a)pyrene5004 Nov 20252
Bisphenol A5004 Nov 20252
Boron5004 Nov 20252
Bromate5004 Nov 20252
Cadmium5004 Nov 20252
Chlorfenvinphos5004 Nov 20252
Chloride5004 Nov 20252
Chromium5004 Nov 20252
Clopyralid5004 Nov 20252
Clostridium Perfringens5004 Nov 20252
Coliform Bacteria36008 Dec 20252
Colony Count @ 22°C31008 Dec 20252
Colour36008 Dec 20252
Conductivity36008 Dec 20252
Copper5004 Nov 20252
Cryptosporidium19016 Dec 20251
Cyanide5004 Nov 20252
Cypermethrin5004 Nov 20252
Dichlobenil5004 Nov 20252
Dichlorprop5004 Nov 20252
Diflufenican5004 Nov 20252
Diuron5004 Nov 20252
E. coli36008 Dec 20252
Enterococci36008 Dec 20252
Fluoride5004 Nov 20252
Free Chlorine36008 Dec 20252
Giardia19016 Dec 20251
Glyphosate5004 Nov 20252
Haloacetic acids (Sum of 5 HAAs)5004 Nov 20252
Iron36008 Dec 20252
Isoproturon5004 Nov 20252
Lead5104 Nov 20252
Linuron5004 Nov 20252
Manganese5004 Nov 20252
MCPA5004 Nov 20252
Mecoprop5004 Nov 20252
Mercury5004 Nov 20252
Metaldehyde5004 Nov 20252
Nickel5004 Nov 20252
Nitrate5004 Nov 20252
Nitrite (at tap)5004 Nov 20252
Odour31008 Dec 20252
PAH5004 Nov 20252
Pendimethalin5004 Nov 20252
Pesticides - Total5004 Nov 20252
pH36108 Dec 20252
Propyzamide5004 Nov 20252
Selenium5004 Nov 20252
Simazine5004 Nov 20252
Sodium5004 Nov 20252
Sulphate5004 Nov 20252
Sum of PFAS (sum of 20)5004 Nov 20252
Taste31008 Dec 20252
Tetrachloroethene & Trichloroethene5004 Nov 20252
Total Chlorine36008 Dec 20252
Total Organic Carbon5004 Nov 20252
Triclopyr5004 Nov 20252
Trihalomethanes(Total)5004 Nov 20252
Turbidity (at tap)36008 Dec 20252

Showing 70 of 70 parameters.

EPA exceedance dataset

Listed exceedances in 2025

Newest first. Sample IDs distinguish records that may otherwise look identical.

All listed exceedance records in the latest reporting year
DateParameterResultUnitReported limitWater supply / EDENSample ID
02 Oct 2025Lead52ug/l10Tipperary Town Supply
2900PUB0123
8671/2510616/02
23 Jul 2025pH6.26pH Units9.5Galtee Regional
2900PUB0130
8671/2507530/03

Common questions

Frequently asked questions

Is Tipperary tap water safe to drink?

WaterCheck Ireland does not issue a current safe or unsafe verdict. This page presents historical monitoring data. Check Uisce Éireann for any current Boil Water or Do Not Consume notices affecting your address.

Can you drink tap water in Tipperary?

WaterCheck Ireland provides historical drinking-water monitoring data, not a current safe or unsafe verdict. For current Boil Water or Do Not Consume notices, check your Eircode with Uisce Éireann.

What is the tap water quality in Tipperary?

In 2025, monitoring data for 2 Water Supply Zones mapped to Tipperary included 785 results across 70 parameters. The separate EPA-listed exceedance dataset contains 2 records for those zones in 2025. These figures summarise historical records and are not a current safety verdict.

Who monitors drinking water quality in Tipperary?

The historical monitoring figures shown here come from drinking-water datasets published by the Environmental Protection Agency (EPA), Ireland. Uisce Éireann operates public water supplies and publishes current supply notices.

What is a Water Supply Zone?

A Water Supply Zone is a defined area supplied by a public drinking-water system. Monitoring records apply to the zone as a whole, so sampling locations can be outside the Census Built Up Area.

What does a listed exceedance mean?

It is a record published in the separate EPA exceedance dataset. WaterCheck Ireland reproduces those records and does not infer additional exceedances or turn the record count into a safety assessment.

How can I check current water notices for my Eircode?

Use your Eircode on the Uisce Éireann website to check current Boil Water and Do Not Consume notices. This page is based on historical monitoring data and is not a live notice service.

Explore nearby reports

Water Quality Near Tipperary

Nearest published Built Up Areas, ordered by straight-line distance between Census reference points.

How this page is made

Sources and methodology

Settlement
Census 2022 Built Up Area: Tipperary. Population refers to the whole Built Up Area.
Supply mapping
Uisce Éireann Water Supply Zone boundaries are matched geographically to the settlement.
Monitoring
EPA monitoring results and the separate listed exceedance dataset, 2021–2025.
Interpretation
Geographic overlap measures land area, not population served; monitoring applies across the full supply zone.
Additional spatial intersections (1)

Retained for mapping transparency; excluded from primary monitoring totals.

ZoneEDENClassGeographic overlap
IRONMILLS2900PUB0146BOUNDARY_TOUCH0.015630%