Where is Mullutu Laht?

Mullutu Laht is a lake in Saare, Estonia. This page reports official water-quality measurements, shown as reported.

Is Mullutu Laht safe to swim in?

Mullutu Laht 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 Mullutu Laht?

Mullutu Laht has a maximum depth of 5.6 feet. The lake covers 1014.4 acres.

Mullutu Laht

Saare, Estonia411 haView map Directions

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

Clarity

0.8 m

Murkier than most

Secchi · sampled 2024

Phosphorus

25.5 µg/L

Typical for Estonia

Measured by KAUR

Chlorophyll-a

5.8 µg/L

Typical for Estonia

Measured by KAUR

Max depth

1.7 m

Bathymetric survey

Area

411 ha

Surface area

6 ft max depth
Limited data

See the measurements Directions Where to stay

Mullutu Laht in Saare, Estonia has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 25.5 µg/L. Chlorophyll-a (algae): 5.8 µg/L. Maximum depth: 5.6 ft. Surface area: 1014.4 acres.

Loading map…

How Mullutu Laht is classified

Mullutu Laht 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).

Mullutu Laht is a 1,014-acre lake in Saare County, Estonia with a maximum depth of 6 feet.

Source: the Estonian Environment Agency (Keskkonnaagentuur) — not the EPA Water Quality Portal, last sampled 2024-09-23. Methodology: how these readings are compared.

What Mullutu Laht is good for

From access and monitoring records, not editorial picks.

Big water1,014 acres

Swimming conditions

No reading

Limited data

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

Whether Mullutu Laht 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 Mullutu Laht →

Water quality measurements for Mullutu Laht

These are the measurements KAUR publishes for Mullutu Laht. More on the source.

Very murky, less than 2.5 ft of visibility. Phosphorus 25.5 µg/L. Chlorophyll-a 5.8 µg/L. TSI 54.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	0.75m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	25.5µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	5.8µg/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 Mullutu Laht

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

Lake Details

Max depth

1.7 m

Surface area

411 ha

Stays via Stay22

Stays near Mullutu Laht

Compare lakeside cabins, hotels, and vacation rentals near Mullutu Laht in Saare, 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 Mullutu Laht

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 Mullutu Laht’s readings

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

Or email

Fishing Mullutu Laht

→ Mullutu Laht fishing regulations (limits, seasons, special rules)

Frequently asked questions about Mullutu Laht

Where is Mullutu Laht?: Mullutu Laht is a lake in Saare, Estonia. This page reports official water-quality measurements, shown as reported.
What is the water quality of Mullutu Laht?: Mullutu Laht in Saare, Estonia has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 25.5 µg/L. Chlorophyll-a (algae): 5.8 µg/L. Maximum depth: 5.6 ft. Surface area: 1014.4 acres.
Is Mullutu Laht safe to swim in?: Mullutu Laht 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 Mullutu Laht?: Mullutu Laht has a maximum depth of 5.6 feet. The lake covers 1014.4 acres.

Explore Mullutu Laht 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

24 measurements from 2 monitoring stations, 2018–2024. 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-ee24 samples · 2018–2024

Analytical methods

KESE I-level monitoring

Monitoring station identifiers (2)

SJA7095007
SJA7030000

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