OHA Drinking Water Services
OR41
PWS ID: 91922 ---- SOUTH MIDDLE SCHOOL, SD 7 ---- INACTIVE
Lead & Copper

More Information
Summary Results
Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received
Sample
Count
Frequency Lead
(mg/L)
Copper
(mg/L)
Consumer
Notice Date
6/15/2021  9/29/2021 10 3 years 0 0.798
6/15/2021  9/29/202110/5/2021 10 3 years 0 0.798
7/30/2018  8/27/2018 11 3 years 0 0.955
7/30/2018  8/27/20188/30/2018 11 3 years 0 0.955
8/10/2015  10 3 years 0 0.437
8/10/2015  9/1/2015 10 3 years 0 0.437
9/12/2012  10 3 years 0 0.509
9/12/2012  10/5/2012 10 3 years 0 0.509
9/14/2009  9/15/200910/19/2009 10 3 years 0.0095 0.610
6/17/2002  8/2/2002 10 1 year 0.0020 0.840
1/1/1999  10/14/199912/6/1999 10 1 year 0.0017 0.290
1/1/1998  11/2/199812/7/1998 10 1 year 0.0022 0.310
7/1/1996  10/10/19961/3/1997 20 6 months 0.0014 0.670
1/1/1994  5/24/19946/27/1994 20 6 months 0.0040 0.380



More information for this water system: SDWIS ID 1098

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