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素波里ダム

Akita, JapanView mapDirections

MOE publishes the water-quality measurements for 素波里ダム. Here is what has been measured.

Clarity
1.4 m
Murkier than most
Secchi · sampled 2024
Phosphorus
15 µg/L
Typical for Japan
Measured by MOE
  • Limited data

素波里ダム in Akita, Japan has official water-quality measurements, shown as reported. Water clarity: 1.4 m visibility. Phosphorus: 15 µg/L.

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How 素波里ダム is classified

素波里ダム 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).

素波里ダム is a lake in Akita County, Japan.

Source: the Ministry of the Environment (Japan) — not the EPA Water Quality Portal, last sampled 2024-10-15. 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 素波里ダム 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 素波里ダム

These are the measurements MOE publishes for 素波里ダム. More on the source.

Murky, only visible to about 4.4 ft. Phosphorus 15 µg/L. TSI 49.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.35mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus15µg/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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Frequently asked questions about 素波里ダム

Where is 素波里ダム?

素波里ダム is a lake in Akita, Japan. This page reports official water-quality measurements, shown as reported.

What is the water quality of 素波里ダム?

素波里ダム in Akita, Japan has official water-quality measurements, shown as reported. Water clarity: 1.4 m visibility. Phosphorus: 15 µg/L.

Measurements on this page ↑

Is 素波里ダム safe to swim in?

素波里ダム 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

15 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-jp15 samples · 2016–2024

Analytical methods

  • MOE public water body monitoring (kosui, lakes)
Monitoring station identifiers (1)
  • 0520430

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