Betrayed -- Film Description:
"A dramatic television movie chronicling a fictional small town suffering from an outbreak of severe water contamination. [...] Inspired by recent events in Canada and abroad, Betrayed stars Kari Matchett [...] as Judy Bryce, a recently divorced young mother who returns to her hometown and her father (Michael Hogan [...]), the town water manager. However, Judy's new job as a nurse's aid soon plunges her into the horror of a deadly public health epidemic when it is revealed that E.coli has contaminated the town's water supply. When the small community can no longer cope with the strain of the epidemic, it's a race against the clock to determine the true source of the contamination."
-- annewheeler.com

Source:
"Anne Wheeler" Anne Wheeler Inc. http://www.annewheeler.com/. [official site]