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Island Lake

Cambs and Bedfordshire, EnglandView mapDirections

EA publishes the water-quality measurements for Island Lake. Here is what has been measured.

Phosphorus
24 µg/L
Typical for England
Measured by EA
Chlorophyll-a
6.3 µg/L
Typical for England
Measured by EA
  • Limited data

Island Lake in Cambs and Bedfordshire, England has official water-quality measurements, shown as reported. Phosphorus: 24 µg/L. Chlorophyll-a (algae): 6.3 µg/L.

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How Island Lake is classified

Island Lake 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).

Island Lake is a lake in Cambs and Bedfordshire County, England.

Source: the Environment Agency (England) — not the EPA Water Quality Portal, last sampled 2026-06-01. 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 Island Lake 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 Island Lake

These are the measurements EA publishes for Island Lake. More on the source.

No clarity data. Phosphorus 24 µg/L. Chlorophyll-a 6.3 µg/L. TSI 49.

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)6.3µg/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.49Mesotrophic
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 Island Lake

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Frequently asked questions about Island Lake

Where is Island Lake?

Island Lake is a lake in Cambs and Bedfordshire, England. This page reports official water-quality measurements, shown as reported.

What is the water quality of Island Lake?

Island Lake in Cambs and Bedfordshire, England has official water-quality measurements, shown as reported. Phosphorus: 24 µg/L. Chlorophyll-a (algae): 6.3 µg/L.

Measurements on this page ↑

Is Island Lake safe to swim in?

Island Lake 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

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

Collected and reported by

  • Environment Agency (England)ea-wqa6 samples · 2026
Monitoring station identifiers (1)
  • AN-LSN0394

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