2011 Final Results - Water Microbiology
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See Grading Scale - Ver 9, Aug 2011 (pdf format)
W113: Oct 31, 2011 Drinking Water Survey Results 1-page July survey
posted 28 Nov 2011. Result letters mailed out on Monday, 28 Nov 2011.
Sample Individual Sample and Water Methodology Charts
W113-1: Enterobacter species W113-1:MPN W113-1:MF W113-1:ES PA-all
W113-2: Enterobacter species W113-2: MPN W113-2:MF W113-2:ES /
W113-3: Blank W113-3:MPN W113-3:MF W113-3:ES /
W113-4: E.coli W113-4:MPN W113-4:MF W113-4:ES /
Method and Analysis Time (hours) Charts MPN-Time MF-1-Time; MF-2-Time ES-Time PA-Time
W112: July 4, 2011 Drinking Water Survey Results 1-page July survey
posted 9 Aug 2011. Result letters mailed out on Monday, 9 Aug 2011.
Sample Individual Sample and Water Methodology Charts
W112-1:E.coli W112-1:MPN W112-1:MF W112-1:ES PA-all
W112-2: Enterobacter species W112-2: MPN W112-2:MF W112-2:ES /
W112-3: E.coli W112-3:MPN W112-3:MF W112-3:ES  
W112-4: Enterobacter species W112-4:MPN W112-4:MF W112-4:ES /
Method and Analysis Time (hours) Charts MPN-Time MF-1-Time; MF-2-Time ES-Time PA-Time
R112: August 8, 2011 Recreational Water Survey Results 1-page July survey
posted 6 Sep 2011. Result letters mailed out on Tuesday, 6 Sep 2011.
Sample Individual Sample and Water Methodology Charts
R112-1 Pseudomonas aeruginosa / R112-1:MF / /
R112-2 E. coli R112-2:MPN & EST R112-2:MF / /
R112-3 Enterococcus species R112-3:MPN & EST R112-3:MF / /
Method and Analysis Time (hours) Charts MPN & EST -Time MF-Time / /
W111: April 11, 2011 Drinking Water Survey Results 1-page July survey
posted 24 May 2011. Result letters mailed out on Friday, 20 May 2011.
Sample Individual Sample and Water Methodology Charts
W111-1: Enterobacter species W111-1:MPN W111-1:MF W111-1:ES PA-all
W111-2: E.coli W111-2: MPN W111-2:MF W111-2:ES /
W111-3: E.coli W111-3:MPN W111-3:MF W111-3:ES  
W111-4: no organisms present W111-4:MPN W111-4:MF W111-4:ES /
Method and Analysis Time (hours) Charts MPN-Time MF-1-Time; MF-2-Time ES-Time PA-Time
R111: April 11, 2011 Recreational Water Survey Results 1-page July survey
posted 24 May 2011. Result letters mailed out on Friday, 20 May 2011.
Sample Individual Sample and Water Methodology Charts
R111-1 Pseudomonas aeruginosa / R111-1:MF / /
R111-2 E. coli R111-2:MPN & EST R111-2:MF / /
R111-3 Enterococcus species R111-3:MPN & EST R111-3:MF / /
Method and Analysis Time (hours) Charts MPN & EST -Time MF-Time / /
Methods key: MPN=Most Probable Number, MF=Membrane Filtration, ES=Enzyme Substrate, CQ=Colilert Quantitray, PA=Presence-Absence, RWA=Recreation water 'all' methods
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  page updated: 28 Nov 2011
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