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LakeQuality

Lough Brackan

Meath, IrelandView mapDirections

EPA Ireland publishes the water-quality measurements for Lough Brackan. Here is what has been measured.

Phosphorus
24 µg/L
Typical for Ireland
Measured by EPA Ireland
Chlorophyll-a
14 µg/L
More algae than most
Measured by EPA Ireland
  • Limited data

Lough Brackan in Meath, Ireland has official water-quality measurements, shown as reported. Phosphorus: 24 µg/L. Chlorophyll-a (algae): 14 µg/L.

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How Lough Brackan is classified

Lough Brackan in Ireland is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded phosphorus and algae (chlorophyll-a), but not water clarity.

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the Environmental Protection Agency of Ireland, via UNEP GEMS/Water, with WFD lake names from EPA Ireland.

Lough Brackan is a lake in Meath County, Ireland.

Source: the Environmental Protection Agency of Ireland, via UNEP GEMS/Water, with WFD lake names from EPA Ireland — not the EPA Water Quality Portal, last sampled 2022-10-12. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lough Brackan is safe to swim in today is a call for the Environmental Protection Agency of Ireland, via UNEP GEMS/Water, with WFD lake names from EPA Ireland and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Lough Brackan

These are the measurements EPA Ireland publishes for Lough Brackan. More on the source.

No clarity data. Phosphorus 24 µg/L. Chlorophyll-a 14 µg/L. TSI 53.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus24µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)14µg/LMeasured, not scored

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.53Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Lough Brackan

Answers come straight from the public measurements and survey records on this page.

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Stays near Lough Brackan

Compare lakeside cabins, hotels, and vacation rentals near Lough Brackan in Meath, Ireland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing Lough Brackan

Frequently asked questions about Lough Brackan

Where is Lough Brackan?

Lough Brackan is a lake in Meath, Ireland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Lough Brackan?

Lough Brackan in Meath, Ireland has official water-quality measurements, shown as reported. Phosphorus: 24 µg/L. Chlorophyll-a (algae): 14 µg/L.

Measurements on this page ↑

Is Lough Brackan safe to swim in?

Lough Brackan has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.

Swimming on this page ↑

Where this data comes from

9 measurements from 1 monitoring station, 2018–2022. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • European Environment Agencyeuropeanenvironmentagenc9 samples · —

Analytical methods

  • GEMStat OPEN / CC BY 4.0
  • EPA Ireland WFD lake waterbodies CC BY 4.0
Monitoring station identifiers (1)
  • IRL00220

Authority classifications are shown as the authority published them. See where the data comes from and data sources.