+91 73595 64121info@orawater.in
Ahmedabad Manufacturing UnitBIS ISI Certified PlantOEM and Private Label

Our production is in the final R&D phase. Launching shortly across Gujarat.

Website content is being finalised while our Ahmedabad plant completes its last round of R&D and pilot production. All links, contact details, and the enquiry form on this site remain fully active. For bulk orders, private label runs, or a factory tour please call or email us directly and we will schedule a time before public launch.

Call +91 73595 64121 Email info@orawater.in
Water Quality

Microplastics in Drinking Water: What the Research Says and How to Reduce Exposure

·12 min read·By Green ORA Team

The 2024 Columbia University study finding an average of 240,000 microplastic and nanoplastic particles per litre in a common brand of US bottled water made headlines worldwide. The concern is legitimate. The panic response is not always proportionate. Here is what the evidence actually supports.

How Microplastics Enter Drinking Water

Three pathways account for almost all microplastic contamination in bottled water.

  1. The bottle itself. Conventional PET sheds nano scale fragments when squeezed, dropped, or exposed to heat. This is the largest source in most brands.
  2. The cap. PP caps abrade against the neck of the bottle every time they are opened and closed, shedding tiny fragments into the water.
  3. Source water. Rivers and groundwater in industrialised regions contain microplastics that survive most filtration processes. Reverse osmosis removes the majority but not all.

The Health Evidence So Far

Microplastic particles have been detected in human blood, lung tissue, placenta, and testes. What that means for long term health is still an open question. The most cited studies to date.

  • Vrije Universiteit Amsterdam (2022) confirmed microplastic presence in the blood of 17 of 22 sampled adults.
  • WHO 2019 review concluded that current exposure levels do not appear to pose acute health risk, but flagged the need for longer term studies.
  • 2024 Nature Medicine study found cardiovascular event risk 2.1x higher in patients with detectable microplastics in carotid artery plaque compared to those without. Association, not established causation.

Reducing Your Personal Exposure

  • Avoid heating water in plastic containers. Heat massively accelerates shedding.
  • Choose glass or stainless steel for your primary drinking bottle at home.
  • When you do drink bottled water, look for brands using inert bioplastics (PLA, PHA) or higher grade PET. Some manufacturers now publish microplastic test results.
  • Do not leave plastic bottled water in your car. Heat and UV amplify shedding.
  • Filter tap water at home using an activated carbon plus RO combination. Removes over 90 percent of particles above 100 nm.

What Green ORA Does Differently

Our compostable bioplastic bottles do not shed microplastic particles at the rates observed in conventional PET. Independent testing by the Institute of Chemical Technology, Mumbai, confirmed undetectable microplastic release across our full compostable range under standard storage and use conditions. Testing certificates are available for procurement teams.

We do not claim zero microplastics because no packaging is truly zero. We claim below the detection limit of the ICT lab's method, which is 100 nanograms per litre. That is roughly 10,000x lower than the Columbia study finding for conventional PET.