Where is Harrijärvi?

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

Is Harrijärvi safe to swim in?

Harrijärvi 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 Harrijärvi?

Harrijärvi has a maximum depth of 45.9 feet.

Harrijärvi

Inari, FinlandView map Directions

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

Clarity

11 m

Clearer than most

Secchi · sampled 2023

Phosphorus

3 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

1.1 µg/L

Less algae than most

Measured by Syke

Max depth

14 m

Bathymetric survey

46 ft max depth
Limited data

See the measurements Directions Where to stay

Harrijärvi in Inari, Finland has official water-quality measurements, shown as reported. Water clarity: 11 m visibility. Phosphorus: 3 µg/L. Chlorophyll-a (algae): 1.1 µg/L. Maximum depth: 45.9 ft.

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How Harrijärvi is classified

Harrijärvi 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.

Harrijärvi is a lake in Inari County, Finland with a maximum depth of 46 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-09-13. Methodology: how these readings are compared.

What Harrijärvi is good for

From access and monitoring records, not editorial picks.

Clear water36.1 ft of visibility
Deep water45.9 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 Harrijärvi 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 Harrijärvi

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

Crystal clear, you can see 36.1 ft down. Phosphorus 3 µg/L. Chlorophyll-a 1.1 µg/L. TSI 26.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	11m	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)	1.1µg/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.	26	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Harrijärvi

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

Lake Details

Max depth

14 m

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Stays near Harrijärvi

Compare lakeside cabins, hotels, and vacation rentals near Harrijärvi in Inari, 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.

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Fishing Harrijärvi

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

Frequently asked questions about Harrijärvi

Where is Harrijärvi?: Harrijärvi is a lake in Inari, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Harrijärvi?: Harrijärvi in Inari, Finland has official water-quality measurements, shown as reported. Water clarity: 11 m visibility. Phosphorus: 3 µg/L. Chlorophyll-a (algae): 1.1 µg/L. Maximum depth: 45.9 ft.
Is Harrijärvi safe to swim in?: Harrijärvi 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 Harrijärvi?: Harrijärvi has a maximum depth of 45.9 feet.

Explore Harrijärvi across LakeQuality

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Where this data comes from

22 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-vesla22 samples · 2017–2023

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

46621

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