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LakeQuality

Long Reach Lake

Cambs and Bedfordshire, EnglandView mapDirections

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

Phosphorus
41 µg/L
Typical for England
Measured by EA
Chlorophyll-a
17.5 µg/L
More algae than most
Measured by EA
  • Limited data

Long Reach Lake in Cambs and Bedfordshire, England has official water-quality measurements, shown as reported. Phosphorus: 41 µg/L. Chlorophyll-a (algae): 17.5 µg/L.

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How Long Reach Lake is classified

Long Reach 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).

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

Source: the Environment Agency (England) — not the EPA Water Quality Portal, last sampled 2026-06-04. 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 Long Reach 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 Long Reach Lake

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

No clarity data. Phosphorus 41 µg/L. Chlorophyll-a 17.5 µg/L. TSI 58.

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 phosphorus41µg/LMeasured, not scored

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

Chlorophyll-a (algae)17.5µg/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.58Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Long Reach Lake

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Fishing Long Reach Lake

Frequently asked questions about Long Reach Lake

Where is Long Reach Lake?

Long Reach 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 Long Reach Lake?

Long Reach Lake in Cambs and Bedfordshire, England has official water-quality measurements, shown as reported. Phosphorus: 41 µg/L. Chlorophyll-a (algae): 17.5 µg/L.

Measurements on this page ↑

Is Long Reach Lake safe to swim in?

Long Reach 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

31 measurements from 1 monitoring station, 2024–2026. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • Environment Agency (England)ea-wqa31 samples · 2024–2026
Monitoring station identifiers (1)
  • AN-LSN0026

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