Boil-water notices were lifted from Glendhu Bay and Arrowtown
Queenstown Lakes District Council capital works manager Ken
Gousmett said the low levels of E.coli detected recently at
the Glendhu Bay Water Treatment Station, which services the
Glendhu Bay Lakeside Holiday Park, were a ''minor
A boil-water noticed was issued to campers 12 days ago, but
results from water samples had been clear for the past week.
The council and camp managers had opted to leave the
boil-water notice in place beyond the required three
consecutive days of clear samples as a precaution, Mr
While further testing would be carried out to confirm the
cause of the contamination, the suspected source was run-off
- resulting from recent heavy rain - travelling down the
Alpha Burn stream which passes through the camp. The bacteria
could have come from any warm-blooded animal living in the
''It helps if we can isolate the source, then we can plan
better for it,'' Mr Gousmett said.
QLDC communications manager Meaghan Miller said council staff
had not identified a definitive cause of the low level E.coli
discovered on Friday after mandatory testing of the Arrowtown
water supply, which comes from a bore.
''The Arrowtown community has historically chosen to have an
untreated supply, given that the river gravels act as a
natural filter. Regardless, the supply is tested on a regular
basis,'' Ms Miller said.
''On occasion, particularly after heavy rain, there has been
an issue with the supply but it is not a common event. The
bore supply has on the whole proved to be excellent. Council
will mitigate any potential issues when it installs a UV
treatment system, which is funded next year.''