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Orono Beach 2018 Testing Counts

Note: Counts below 235 MPN/100 mL are considered safe

City of Elk River protocol for beach posting

Date North of beach (MPN/100 mL) Middle of beach (MPN/100 mL) South of beach (MPN/100 mL) Geometric mean of weekly counts Geometric mean of monthly counts
6/21/18 58.1 61.3 76.7 0 0
6/20/18 114.5 80.9 272.3 0 63.09
6/19/18 104.3 95.9 261.3 0 52.84
6/14/18 129.6 82.3 58.3 0 0
6/12/18 48.1 86.0 119.8 0 0
6/7/18 25.6 9.8 48.0 0 0
6/5/18 23.1 33.8 7.2 0 0
5/30/18 88.6 49.6 104.6 0 0
5/29/18 47.4 32.7 39.3 0 0

Counts from previous years


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