Eemmeer
Utrecht, NetherlandsView mapDirections
RWS publishes the water-quality measurements for Eemmeer. Here is what has been measured.
- Limited data
Eemmeer in Utrecht, Netherlands has official water-quality measurements, shown as reported. Water clarity: 1.2 m visibility. Phosphorus: 150 µg/L. Chlorophyll-a (algae): 3.6 µg/L.
How Eemmeer is classified
Eemmeer in Netherlands 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: Rijkswaterstaat.
Eemmeer is a lake in Utrecht County, Netherlands.
Source: Rijkswaterstaat — not the EPA Water Quality Portal, last sampled 2025-12-08. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Eemmeer is safe to swim in today is a call for Rijkswaterstaat and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Eemmeer
These are the measurements RWS publishes for Eemmeer. More on the source.
Murky, only visible to about 3.9 ft. Phosphorus 150 µg/L. Chlorophyll-a 3.6 µg/L. TSI 59.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.2m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 150µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 3.6µg/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. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Eemmeer
Where is Eemmeer?
- Eemmeer is a lake in Utrecht, Netherlands. This page reports official water-quality measurements, shown as reported.
What is the water quality of Eemmeer?
- Eemmeer in Utrecht, Netherlands has official water-quality measurements, shown as reported. Water clarity: 1.2 m visibility. Phosphorus: 150 µg/L. Chlorophyll-a (algae): 3.6 µg/L.
Is Eemmeer safe to swim in?
- Eemmeer 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.
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Where this data comes from
389 measurements from 1 monitoring station, 2016–2025. Retrieved from the listed programme (not the EPA Water Quality Portal). See data sources on 2026-08-20.
Collected and reported by
- Rijkswaterstaat
rws-nl389 samples · —
Analytical methods
- Rijkswaterstaat WaterWebservices
Monitoring station identifiers (1)
eemmeerdijk.km23
Authority classifications are shown as the authority published them. See where the data comes from and data sources.