Lower Lough Macnean
Northern Ireland, Northern IrelandView mapDirections
NIEA publishes the water-quality measurements for Lower Lough Macnean. Here is what has been measured.
- Limited data
Lower Lough Macnean in Northern Ireland, Northern Ireland has official water-quality measurements, shown as reported. Phosphorus: 35 µg/L.
How Lower Lough Macnean is classified
Lower Lough Macnean in Northern 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, but not water clarity and algae (chlorophyll-a).
LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.
Monitoring: the Northern Ireland Environment Agency (DAERA).
Lower Lough Macnean is a lake in Northern Ireland County, Northern Ireland.
Source: the Northern Ireland Environment Agency (DAERA) — not the EPA Water Quality Portal, last sampled 2024-11-25. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lower Lough Macnean is safe to swim in today is a call for the Northern Ireland Environment Agency (DAERA) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lower Lough Macnean
These are the measurements NIEA publishes for Lower Lough Macnean. More on the source.
No clarity data. Phosphorus 35 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 35µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading 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. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Answers come straight from the public measurements and survey records on this page.
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Frequently asked questions about Lower Lough Macnean
Where is Lower Lough Macnean?
- Lower Lough Macnean is a lake in Northern Ireland, Northern Ireland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Lower Lough Macnean?
- Lower Lough Macnean in Northern Ireland, Northern Ireland has official water-quality measurements, shown as reported. Phosphorus: 35 µg/L.
Is Lower Lough Macnean safe to swim in?
- Lower Lough Macnean 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.
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Where this data comes from
128 measurements from 3 monitoring stations, 2016–2024. Retrieved from the Northern Ireland Environment Agency (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Department of Agriculture, Environment and Rural Affairs (Northern Ireland)
daera-ni128 samples · 2016–2024
Analytical methods
- DAERA NIEA lake nutrient monitoring
Monitoring station identifiers (3)
107381073911490
Authority classifications are shown as the authority published them. See where the data comes from and data sources.