Where is Tänavjärv?

Tänavjärv is a lake in Harju, Estonia. This page reports official water-quality measurements, shown as reported.

Is Tänavjärv safe to swim in?

Tänavjärv 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 Tänavjärv?

Tänavjärv has a maximum depth of 8.9 feet. The lake covers 343 acres.

Tänavjärv

Harju, Estonia139 haView map Directions

KAUR publishes the water-quality measurements for Tänavjärv. Here is what has been measured.

Clarity

1.1 m

Typical for Estonia

Secchi · sampled 2025

Phosphorus

22.5 µg/L

Less phosphorus than most

Measured by KAUR

Chlorophyll-a

10 µg/L

Typical for Estonia

Measured by KAUR

Max depth

2.7 m

Bathymetric survey

Area

139 ha

Surface area

9 ft max depth
Limited data

See the measurements Directions Where to stay

Tänavjärv in Harju, Estonia has official water-quality measurements, shown as reported. Water clarity: 1.1 m visibility. Phosphorus: 22.5 µg/L. Chlorophyll-a (algae): 10 µg/L. Maximum depth: 8.9 ft. Surface area: 343 acres.

Loading map…

How Tänavjärv is classified

Tänavjärv in Estonia 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 Estonian Environment Agency (Keskkonnaagentuur).

Tänavjärv is a 343-acre lake in Harju County, Estonia with a maximum depth of 9 feet.

Source: the Estonian Environment Agency (Keskkonnaagentuur) — not the EPA Water Quality Portal, last sampled 2025-09-17. 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 Tänavjärv is safe to swim in today is a call for the Estonian Environment Agency (Keskkonnaagentuur) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Tänavjärv →

Water quality measurements for Tänavjärv

These are the measurements KAUR publishes for Tänavjärv. More on the source.

Murky, only visible to about 3.6 ft. Phosphorus 22.5 µg/L. Chlorophyll-a 10 µg/L. TSI 54.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1.1m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	22.5µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	10µg/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.	54	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Tänavjärv

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

Lake Details

Max depth

2.7 m

Surface area

139 ha

Stays via Stay22

Stays near Tänavjärv

Compare lakeside cabins, hotels, and vacation rentals near Tänavjärv in Harju, Estonia — 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 Tänavjärv

Prices for Oct 2–4, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Tänavjärv’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Tänavjärv

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

Frequently asked questions about Tänavjärv

Where is Tänavjärv?: Tänavjärv is a lake in Harju, Estonia. This page reports official water-quality measurements, shown as reported.
What is the water quality of Tänavjärv?: Tänavjärv in Harju, Estonia has official water-quality measurements, shown as reported. Water clarity: 1.1 m visibility. Phosphorus: 22.5 µg/L. Chlorophyll-a (algae): 10 µg/L. Maximum depth: 8.9 ft. Surface area: 343 acres.
Is Tänavjärv safe to swim in?: Tänavjärv 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 Tänavjärv?: Tänavjärv has a maximum depth of 8.9 feet. The lake covers 343 acres.

Explore Tänavjärv across LakeQuality

Lake Fishing Forecast

Species activity outlook by water temperature and season

More lakes in Estonia

Lakes in Estonia

Official water quality for lakes in Estonia

Lake water quality by country

EU bathing ratings and named-lake measurements

Where this data comes from

140 measurements from 2 monitoring stations, 2016–2025. Retrieved from KESE / Estonian Environment Agency (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

Estonian Environment Agency (Keskkonnaagentuur)kese-ee140 samples · 2016–2025

Analytical methods

KESE I-level monitoring

Monitoring station identifiers (2)

SJA3522004
SJA3522000

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