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LakeQuality

Howden Reservoir

Derbys Notts and Leics, EnglandView mapDirections

EA publishes the water-quality measurements for Howden Reservoir. Here is what has been measured.

Phosphorus
11 µg/L
Less phosphorus than most
Measured by EA
Chlorophyll-a
1.8 µg/L
Less algae than most
Measured by EA
  • Limited data

Howden Reservoir in Derbys Notts and Leics, England has official water-quality measurements, shown as reported. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 1.8 µg/L.

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How Howden Reservoir is classified

Howden Reservoir 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).

Howden Reservoir is a lake in Derbys Notts and Leics County, England.

Source: the Environment Agency (England) — not the EPA Water Quality Portal, last sampled 2020-02-25. 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 Howden Reservoir 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 Howden Reservoir

These are the measurements EA publishes for Howden Reservoir. More on the source.

No clarity data. Phosphorus 11 µg/L. Chlorophyll-a 1.8 µg/L. TSI 38.

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 phosphorus11µg/LMeasured, not scored

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

Chlorophyll-a (algae)1.8µg/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.38Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

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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 Howden Reservoir

Where is Howden Reservoir?

Howden Reservoir is a lake in Derbys Notts and Leics, England. This page reports official water-quality measurements, shown as reported.

What is the water quality of Howden Reservoir?

Howden Reservoir in Derbys Notts and Leics, England has official water-quality measurements, shown as reported. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 1.8 µg/L.

Measurements on this page ↑

Is Howden Reservoir safe to swim in?

Howden Reservoir 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

80 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-wqa80 samples · 2016–2020
Monitoring station identifiers (1)
  • MD-49714900

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