Researcher Found A Dangerous E. coli Bacteria at Bali’s Most Popular Beaches

Share:

A nonprofit organisation in Bali has been monitoring the water quality at two of the island’s most popular tourist beaches. According to the tests’ findings, the seawater in Canggu’s Batu Bolong Beach and Seminyak’s Petitenget Beach is contaminated with harmful E.coli bacteria.

Yayasan Bali Bersih, a Bali-based nonprofit affiliated with the Westerlaken Foundation in the Netherlands, has been performing water quality assessments at Bali’s busiest beaches destinations whichresults are surprising. 

Through their Instagram accounts, Yayasan Bali Bersih (the Clean Bali Foundation) and the Westerlaken Foundation have shared their findings with the general public. The organisations conduct routine laboratory testing on seawater as part of regular water quality surveys. 

The nonprofit organisation stated that the objective of the research was to “determine whether or not there are Escherichia coli [E, coli] bacteria in seawater, which can disrupt marine ecosystems and potentially endanger the health of locals and beachgoers.”

Researcher Found A Dangerous E. coli Bacteria at Bali's Most Popular Beaches
Source WHO

Yayasan Bali Bersih and the Westerlaken Foundation discovered that E-coli bacteria are present in the ocean after collecting water samples on the 21st of June, 2023. To ascertain the frequency of E. coli in the water samples, the researchers employed the MPS (Most Probable Number Method). According to the results, there were bubbles in the lab test tubes with an MPN of more than 1100.

This indicates the presence of E.coli and seawater contamination in Canggu’s Batu Bolong Beach and Seminyak’s Petitenget Beach. It is concerning because E. coli can be found in water supply and food processing. E.coli contamination is likely due to home or human waste, such as faeces.  The high concentrations of E. coli discovered in the water samples last week suggest a danger of the disease spreading among humans due to the bacteria. 

According to the researchers, “The inspection results will provide important information to the authorities and the public regarding the condition of clean sea water in Bali.”

The researchers added, “By knowing the content of Escherichia coli in seawater, countermeasures and improvements can be taken to minimise health risks and maintain the sustainability of marine ecosystems.”

Interested in this topic? Check out our other articles from Social Expat: 

Related News

Indonesia has officially launched the Indonesian International Latin Festival & Asia-Pacific Salsa Summit 2026, marking the country’s first international Latin dance festival and competition to host the official Asia-Pacific Summit International Competition. Held from 30 July to 3 August 2026 at the Sheraton Bali Kuta Resort, the five-day event is organised by Zigzag Indonesia and […]

The passenger ferry KMP Mutiara Sentosa II caught fire while sailing in the waters north of Sumenep, Madura, on Sunday, 2 August 2026, prompting a large-scale rescue operation involving multiple commercial vessels and search and rescue authorities. The ferry was operating its regular Surabaya–Makassar route when the blaze broke out at approximately 6:00–7:00 a.m. Western […]

Education has always evolved alongside society, but few moments have been as transformative as the rise of artificial intelligence. For Fred Cole, however, AI is not simply another technological trend. It is an opportunity to rethink how learning is designed, delivered, and experienced. As the Co-Founder and Executive Director of Bridge Academy, Fred brings decades […]

Indonesia and India have agreed to accelerate discussions on implementing a cross-border quick response (QR) code payment system as both countries seek to strengthen financial cooperation and facilitate digital transactions. The cross-border QR payment system between Indonesia and India is set to become operational by the end of 2026. The initiative was announced during Indian […]

Expat Events

Indonesia Visas

Expat Event

Social Networking
IDR 150.000
PESTO, Senayan City
Social Networking
IDR 150.000
The Platform, Artotel HUB Simpang Temu
Business Networking
IDR 150.000
Casa Cuomo Ristorante & Lounge

Indonesia Guide

Just For Fun

Write For Us

Exclusive Promotions

Event Gallery