Staff reports widespread E. coli elevations in Clear Creek watershed; microbial source tracking and infrastructure checks recommended

Mar 26, 2026

CBU staff presented results from a Clear Creek–Jackson Creek E. coli sampling project: 211 samples from 32 sites showed nearly 80% above the geometric-mean standard and 14% at test maximums. Staff recommended further microbial source tracking, targeted infrastructure inspection, and outreach.

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Evelyn Porter, a Clear Creek sampling fellow with the utilities’ environmental division, presented preliminary results from an October 2024–2026 sampling project of the Clear Creek–Jackson Creek watershed.

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