There’s a potential risk to public health from unmonitored private drinking water supplies.
Today’s EPA report shows an increase in 2023 in the number of private group schemes with E. coli failures.
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One in twenty of these water providers failed to meet E. coli standards.
In 2023, 21 private group schemes supplying 22,000 people failed the standard for Trihalomethanes – up from 16 schemes serving 16,000 people in 2022.
This included the Graigue – Pouldine scheme in the Premier County.
Trihalomethanes (THMs) are formed when natural organic matter in the water source, such as vegetation, reacts with chlorine used in the disinfection treatment process.
