Where is Nitsijärvi?

Nitsijärvi is a lake in Inari, Finland. This page reports official water-quality measurements, shown as reported.

Is Nitsijärvi safe to swim in?

Nitsijärvi 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 Nitsijärvi?

Nitsijärvi has a maximum depth of 111.5 feet.

Nitsijärvi

Inari, FinlandView map Directions

Syke publishes the water-quality measurements for Nitsijärvi. Here is what has been measured.

Clarity

5.3 m

Clearer than most

Secchi · sampled 2023

Phosphorus

3 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

1.6 µg/L

Less algae than most

Measured by Syke

Max depth

34 m

Bathymetric survey

112 ft max depth
Limited data

See the measurements Directions Where to stay

Nitsijärvi in Inari, Finland has official water-quality measurements, shown as reported. Water clarity: 5.3 m visibility. Phosphorus: 3 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Maximum depth: 111.5 ft.

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How Nitsijärvi is classified

Nitsijärvi in Finland 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, phosphorus 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 Finnish Environment Institute (Syke) and the ELY Centres.

Nitsijärvi is a lake in Inari County, Finland with a maximum depth of 112 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-10-04. Methodology: how these readings are compared.

What Nitsijärvi is good for

From access and monitoring records, not editorial picks.

Clear water17.2 ft of visibility
Deep water111.5 ft surveyed max depth

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Nitsijärvi is safe to swim in today is a call for the Finnish Environment Institute (Syke) and the ELY Centres and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Nitsijärvi

These are the measurements Syke publishes for Nitsijärvi. More on the source.

Crystal clear, you can see 17.2 ft down. Phosphorus 3 µg/L. Chlorophyll-a 1.6 µg/L. TSI 30.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	5.25m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	3µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	1.6µg/L	Measured, 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.	30	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Nitsijärvi

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

34 m

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Stays near Nitsijärvi

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Fishing Nitsijärvi

→ Nitsijärvi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Nitsijärvi

Where is Nitsijärvi?: Nitsijärvi is a lake in Inari, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Nitsijärvi?: Nitsijärvi in Inari, Finland has official water-quality measurements, shown as reported. Water clarity: 5.3 m visibility. Phosphorus: 3 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Maximum depth: 111.5 ft.
Is Nitsijärvi safe to swim in?: Nitsijärvi 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 Nitsijärvi?: Nitsijärvi has a maximum depth of 111.5 feet.

Explore Nitsijärvi across LakeQuality

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Species activity outlook by water temperature and season

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Where this data comes from

30 measurements from 1 monitoring station, 2017–2023. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

Finnish Environment Institute (Syke) and ELY Centressyke-vesla30 samples · 2017–2023

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

39254

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