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LakeQuality

Loughanillaun Maam Cross

NR
Not yet rated
Mesotrophic
Limited DataMesotrophic

Loughanillaun Maam Cross in Galway, Ireland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 1.6 µg/L.

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Why Loughanillaun Maam Cross has no A–F grade

Loughanillaun Maam Cross in Ireland is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded phosphorus and algae (chlorophyll-a), but not water clarity.

A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still 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: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-11-10. Grade methodology: LakeGrade methodology.

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Swimming Safety

Not rated

Limited data

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Loughanillaun Maam Cross

These readings exist but do not meet the evidence bar for an A–F grade — see why.

No clarity data. Phosphorus level: 20 µg/L. Chlorophyll-a: 1.6 µg/L. Trophic State Index: 41.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
Phosphorus20 µg/LNot graded
Chlorophyll-a (Algae)1.6 µg/LNot graded
Trophic State Index (TSI)41Mesotrophic

Moderate nutrients, good water quality

Where to stay near Loughanillaun Maam Cross

Compare lakeside cabins, hotels, and vacation rentals near Loughanillaun Maam Cross in Galway, 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 Loughanillaun Maam Cross

Frequently asked questions about Loughanillaun Maam Cross

What is the water quality of Loughanillaun Maam Cross?

Loughanillaun Maam Cross in Galway, Ireland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 1.6 µg/L.

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.

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 stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.

Data Sources

Water quality data from the EPA Water Quality Portal

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion

Most recent sample: 2022-11-10

Monitoring stations: 1

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