The water quality of Molenplas, Haarlem at Haarlem
What is the swimming water like? Molenplas, Haarlem? On the water map below you'll see the swimming location in its immediate vicinity. On the right of on this page you will find all information about the current weather, at the bottom of the swimming spots in the area.
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The Molenplas is part of the basin of Rhineland. The total waterway of the Molenplas is approximately 21 hectares. The average depth is 6 meters.
Swimming spots nearby
2. Haarlemmermeerse bos zuidstrand: water quality is negative swimming advice
3. Molenplas, haarlem: water quality is negative swimming advice
4. Recreatieplas toolenburg speelvijver: water quality is good
5. Recreatieplas toolenburg, grote strand: water quality is good
6. Veerplas noordzijde: water quality is good
The weather in Haarlem, now:
11.0°C
Zwaar bewolkt
Wind Force bft | Knopen | 9 km/h
Wind direction ZO
Today: Eerst zon, in de middag buien.
Extended weather forecast for Haarlem (click)
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Swim at Molenplas, Haarlem
Summary
Measurements
E.coli30 n/dl
Enterococci15 n/dl
Cause
This bathing area is classified in the 4-year water quality class Poor and therefore has a negative bathing recommendation. This is NOT about the actual quality of the water. If there is a problem with this, it is indicated above and on the spot. So two measures may apply to this bathing water site. The 4-year water quality class Poor is more likely to cause stomach or bowel problems than with Excellent
This bathing area is classified in the 4-year water quality class Poor and therefore has a negative bathing recommendation. This is NOT about the actual quality of the water. If there is a problem with this, it is indicated above and on the spot. So two measures may apply to this bathing water site. The 4-year water quality class Poor is more likely to cause stomach or bowel problems than with Excellent
Water temperature~14.6 °C
Measurement timeQuality: 11-05-2026Temperature: 18 mei, 07:00
Facilities & contact
First Aid
Play equipment
Information board
Waste bins
Fresh water
Parking
Horeca
Dogs allowed
Floatline
Playground
Sunbathing area
Play equipment
Information board
Waste bins
Fresh water
Parking
Horeca
Dogs allowed
Floatline
Playground
Sunbathing area
Information board
Details
The water temperature value comes from the nearest official Rijkswaterstaat measuring station and is an approximation for this location. Always take local conditions into account, it is usually colder in deeper water than on the shore!
The water quality measurement is based on the amount of bacteria in nanograms per deciliter (n /dl). In this case it concerns the intestinal bacteria Escherichia coli (E.coli) and intestinal enterococci, which occur in the feces of both animals and humans. A suddenly high value is often related to bird droppings in the water, for example, but can certainly also have other causes. It is unwise to swim in water where these values exceed the standards. The water manager also inspects the bathing water areas for other types of pollution, such as blue-green algae or other toxic algae and general safety features.
The water quality measurement is based on the amount of bacteria in nanograms per deciliter (n /dl). In this case it concerns the intestinal bacteria Escherichia coli (E.coli) and intestinal enterococci, which occur in the feces of both animals and humans. A suddenly high value is often related to bird droppings in the water, for example, but can certainly also have other causes. It is unwise to swim in water where these values exceed the standards. The water manager also inspects the bathing water areas for other types of pollution, such as blue-green algae or other toxic algae and general safety features.