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風屋ダム湖

Nara, JapanView mapDirections

MOE publishes the water-quality measurements for 風屋ダム湖. Here is what has been measured.

Phosphorus
23 µg/L
Typical for Japan
Measured by MOE
  • Limited data

風屋ダム湖 in Nara, Japan has official water-quality measurements, shown as reported. Phosphorus: 23 µg/L.

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How 風屋ダム湖 is classified

風屋ダム湖 in Japan 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 Ministry of the Environment (Japan).

風屋ダム湖 is a lake in Nara County, Japan.

Source: the Ministry of the Environment (Japan) — not the EPA Water Quality Portal, last sampled 2024-07-01. 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 風屋ダム湖 is safe to swim in today is a call for the Ministry of the Environment (Japan) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for 風屋ダム湖

These are the measurements MOE publishes for 風屋ダム湖. More on the source.

No clarity data. Phosphorus 23 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 phosphorus23µg/LMeasured, 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.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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Fishing 風屋ダム湖

Frequently asked questions about 風屋ダム湖

Where is 風屋ダム湖?

風屋ダム湖 is a lake in Nara, Japan. This page reports official water-quality measurements, shown as reported.

What is the water quality of 風屋ダム湖?

風屋ダム湖 in Nara, Japan has official water-quality measurements, shown as reported. Phosphorus: 23 µg/L.

Measurements on this page ↑

Is 風屋ダム湖 safe to swim in?

風屋ダム湖 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

9 measurements from 1 monitoring station, 2016–2024. Retrieved from Japan MOE public water-body monitoring (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • Ministry of the Environment (Japan)moe-jp9 samples · 2016–2024

Analytical methods

  • MOE public water body monitoring (kosui, lakes)
Monitoring station identifiers (1)
  • 2920050

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