Mustalampi
Mustalampi in Joensuu, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 30 µg/L. Maximum depth: 6.6 ft.
- Clarity
- 0.5 m
- Max depth
- 2 m
Why Mustalampi has no A–F grade
Mustalampi in Finland is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.
Mustalampi is a lake in Joensuu County, Finland with a maximum depth of 7 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2018-08-14. Grade methodology: LakeGrade methodology.
Watch Mustalampi water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Mustalampi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 1.6 ft of visibility. Phosphorus level: 30 µg/L. Chlorophyll-a: 30 µg/L. Trophic State Index: 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.5 m | Not graded |
| Phosphorus | 30 µg/L | Not graded |
| Chlorophyll-a (Algae) | 30 µg/L | Not graded |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 2 m |
Where to stay near Mustalampi
Compare lakeside cabins, hotels, and vacation rentals near Mustalampi in Joensuu, Finland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Mustalampi
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Mustalampi
Frequently asked questions about Mustalampi
What is the water quality of Mustalampi?
- Mustalampi in Joensuu, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 30 µg/L. Maximum depth: 6.6 ft.
Is Mustalampi safe to swim in?
- Mustalampi 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.
How deep is Mustalampi?
- Mustalampi has a maximum depth of 6.6 feet.
Explore Mustalampi across LakeGrade
More lakes in Finland
Where this data comes from
5 measurements from 1 monitoring station, 2018. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Finnish Environment Institute (Syke) and ELY Centres
syke-vesla5 samples · 2018
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
21709
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2018-08-14
Monitoring stations: 1