糠平ダム湖
Hokkaido, JapanView mapDirections
MOE publishes the water-quality measurements for 糠平ダム湖. Here is what has been measured.
- Limited data
糠平ダム湖 in Hokkaido, Japan has official water-quality measurements, shown as reported. Water clarity: 3.2 m visibility. Phosphorus: 10 µg/L.
How 糠平ダム湖 is classified
糠平ダム湖 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 water clarity and phosphorus, but not 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).
糠平ダム湖 is a lake in Hokkaido County, Japan.
Source: the Ministry of the Environment (Japan) — not the EPA Water Quality Portal, last sampled 2024-11-15. Methodology: how these readings are compared.
What 糠平ダム湖 is good for
From access and monitoring records, not editorial picks.
- Clear water10.5 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether 糠平ダム湖 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.
Water quality measurements for 糠平ダム湖
These are the measurements MOE publishes for 糠平ダム湖. More on the source.
Good clarity, visible to about 10.5 ft. Phosphorus 10 µg/L. TSI 40.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.2m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 10µg/L | Measured, 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. | 40 | Mesotrophic 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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Frequently asked questions about 糠平ダム湖
Where is 糠平ダム湖?
- 糠平ダム湖 is a lake in Hokkaido, Japan. This page reports official water-quality measurements, shown as reported.
What is the water quality of 糠平ダム湖?
- 糠平ダム湖 in Hokkaido, Japan has official water-quality measurements, shown as reported. Water clarity: 3.2 m visibility. Phosphorus: 10 µg/L.
Is 糠平ダム湖 safe to swim in?
- 糠平ダム湖 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.
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Where this data comes from
42 measurements from 2 monitoring stations, 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-jp42 samples · 2016–2024
Analytical methods
- MOE public water body monitoring (kosui, lakes)
Monitoring station identifiers (2)
01204100120420
Authority classifications are shown as the authority published them. See where the data comes from and data sources.