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LakeQuality

Betley Mere From Jetty

Gtr Mancs Mersey and Ches, EnglandView mapDirections

EA publishes the water-quality measurements for Betley Mere From Jetty. Here is what has been measured.

Phosphorus
300 µg/L
More phosphorus than most
Measured by EA
Chlorophyll-a
41.6 µg/L
More algae than most
Measured by EA
  • Limited data

Betley Mere From Jetty in Gtr Mancs Mersey and Ches, England has official water-quality measurements, shown as reported. Phosphorus: 300 µg/L. Chlorophyll-a (algae): 41.6 µg/L.

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How Betley Mere From Jetty is classified

Betley Mere From Jetty in England 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 Environment Agency (England).

Betley Mere From Jetty is a lake in Gtr Mancs Mersey and Ches County, England.

Source: the Environment Agency (England) — not the EPA Water Quality Portal, last sampled 2020-03-09. 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 Betley Mere From Jetty is safe to swim in today is a call for the Environment Agency (England) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Betley Mere From Jetty

These are the measurements EA publishes for Betley Mere From Jetty. More on the source.

No clarity data. Phosphorus 300 µg/L. Chlorophyll-a 41.6 µg/L. TSI 77.

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 phosphorus300µg/LMeasured, not scored

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

Chlorophyll-a (algae)41.6µg/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.77Hypereutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor 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 Betley Mere From Jetty

Where is Betley Mere From Jetty?

Betley Mere From Jetty is a lake in Gtr Mancs Mersey and Ches, England. This page reports official water-quality measurements, shown as reported.

What is the water quality of Betley Mere From Jetty?

Betley Mere From Jetty in Gtr Mancs Mersey and Ches, England has official water-quality measurements, shown as reported. Phosphorus: 300 µg/L. Chlorophyll-a (algae): 41.6 µg/L.

Measurements on this page ↑

Is Betley Mere From Jetty safe to swim in?

Betley Mere From Jetty 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

86 measurements from 1 monitoring station, 2016–2020. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • Environment Agency (England)ea-wqa86 samples · 2016–2020
Monitoring station identifiers (1)
  • NW-88022334

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