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OR41
PWS ID: 91724 ---- WATERLOO PRIMARY (K-2) SD 89 ---- INACTIVE
Coliform Summary History

Note: Samples for a given monitoring period are due 10 days after period end date. Therefore the most recent monitoring periods may show zero samples reported. This does not mean the water system is out of compliance.

Number of Samples Reported
Abbreviations: TC+: Total Coliform Positive, EC+: E. Coli Positive
Exclude results older than 2021
Period End Date Routines Required Routines Reported Routine TC+ Routine EC+ Repeats Reported Repeat TC+ Repeat EC+ Period Type
Apr 30, 2017 1 100000MN
Jul 31, 2016 1 100000MN
Apr 30, 2015 1 100000MN
Apr 30, 2014 1 100000MN
Sep 30, 2002 1 100000QT
Jun 30, 2002 1 100000QT
Mar 31, 2002 1 100000QT
Exclude results older than 2021

More information for this water system: SDWIS ID 1007
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