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LakeQuality

Loughanillaun Maam Cross

Galway, IrelandView mapDirections

EPA Ireland publishes the water-quality measurements for Loughanillaun Maam Cross. Here is what has been measured.

Phosphorus
20 µg/L
Typical for Ireland
Measured by EPA Ireland
Chlorophyll-a
1.6 µg/L
Less algae than most
Measured by EPA Ireland
  • Limited data

Loughanillaun Maam Cross in Galway, Ireland has official water-quality measurements, shown as reported. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 1.6 µg/L.

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How Loughanillaun Maam Cross is classified

Loughanillaun Maam Cross 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.

Loughanillaun Maam Cross is a lake in Galway 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 2022-11-10. 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 Loughanillaun Maam Cross 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 Loughanillaun Maam Cross

These are the measurements EPA Ireland publishes for Loughanillaun Maam Cross. More on the source.

No clarity data. Phosphorus 20 µg/L. Chlorophyll-a 1.6 µg/L. TSI 41.

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 phosphorus20µg/LMeasured, not scored

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

Chlorophyll-a (algae)1.6µg/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.41Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

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

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Stays near Loughanillaun Maam Cross

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Fishing Loughanillaun Maam Cross

Frequently asked questions about Loughanillaun Maam Cross

Where is Loughanillaun Maam Cross?

Loughanillaun Maam Cross is a lake in Galway, Ireland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Loughanillaun Maam Cross?

Loughanillaun Maam Cross in Galway, Ireland has official water-quality measurements, shown as reported. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 1.6 µg/L.

Measurements on this page ↑

Is Loughanillaun Maam Cross safe to swim in?

Loughanillaun Maam Cross 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)
  • IRL00413

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