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All practical guides from EnviraSystem — organized by subject. Scientifically substantiated and independent.

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Water quality

PFAS, drug residues, and microplastics. Which water filter really works — and for whom?

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Energy & home batteries

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Net metering will be phased out in 2026. We help you do the math for a home battery.

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Air quality

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Ventilation, air filters, and indoor air quality — what actually makes a difference?

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All guides

How Dutch tap water is made: the treatment chain explained (2026)

Dutch tap water ranks among the cleanest in the world, but behind every glass sits a complex treatment chain that…

Microplastics in tap water and bottled water: what research actually shows

Microplastics are present in virtually all drinking water, including in the Netherlands. But the difference between tap water and bottled…

Best water filter Netherlands 2026 — what works against which problem

There is no "best water filter" in absolute terms. For each specific problem (PFAS, pharmaceutical residues, limescale, lead, chlorine, microplastics)…

Pharmaceutical residues in Dutch tap water 2026: how much is in your glass, and what does it mean for your body?

Dutch tap water contains traces of more than thirty different pharmaceuticals, in concentrations measured in nanograms per litre. That sounds…

PFAS in Dutch tap water 2026: what’s really in your glass, and what is the government doing about it?

Dutch tap water meets the legal EU standard for PFAS that came into force on 12 January 2026. But three…

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