A new boil water advisory for Smiths Falls and Montague Township will be in place at least until the end of the week.
The town announced Sunday that high levels of water with above-normal amounts of particles in it again overloaded the water treatment system.
"About two or three o'clock in the afternoon (Sunday), conditions changed and the turbidity level started to climb again," said Ted Joynt, water operations superintendent for Smiths Falls.
A news release from the town said it hopes the release can be lifted before the weekend.
It said the plant is now back working at full capacity and they're taking precautions to make sure it stays that way, flushing the plant over the next 48 hours and sending samples to a lab.
Those samples are due back on Friday.
This order comes after a previous boil water advisory was lifted over the weekend; that one was caused when a contractor ruptured a water main on Tuesday.
Business owners said they have no choice but to work with the order.
"It's hindered us quite a bit with coping," said Peter Cosmos. "The expense of buying water, boiling water, it can get expensive."
"Anything that goes wrong in life is frustrating but what are you going to do?" said Manos Markadonis. "If they phone me tomorrow and say its okay, its okay; if they dont I'm going to buy a few more bottles, that's all."
The water is safe for bathing, although the town said children should be supervised so they don't consume any.
With a report from CTV Ottawa's Ellen Mauro
