OHA Drinking Water Services
OR41
PWS ID: 91901 ---- ALLENDALE ELEMENTARY SD 7
Lead & Copper

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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
9/22/2024  5 3 years 0 0.661
9/22/2024  10/10/2024 5 3 years 0 0.661
6/14/2021  -  6/15/2021 5 3 years 0 0.676
6/14/2021  -  6/15/20216/30/2021 5 3 years 0 0.676
7/30/2018  5 3 years 0 0.997
7/30/2018  8/23/2018 5 3 years 0 0.997
8/10/2015  5 3 years 0 0.793
8/10/2015  9/1/2015 5 3 years 0 0.793
9/14/2012  5 3 years 0 0.634
9/14/2012  10/1/2012 5 3 years 0 0.634
9/14/2009  10/19/2009 5 3 years 0.0054 0.570
8/16/2004  10/4/2004 10 1 year 0.0120 0.750
9/5/2003  10/6/2003 5 6 months 0.0120 0.800
3/7/2003  -  3/11/20034/4/2003 10 6 months 0.0120 0.640
6/18/2002  8/2/2002 10 1 year 0.0070 1.500
1/1/2000  -  12/22/20001/16/2001 5 1 year 0.0050 0.920
1/1/1999  -  8/24/19997/19/2000 5 1 year 0.0042 1.100
1/1/1998  -  11/2/199812/16/1998 5 1 year 0.0056 1.800
7/1/1996  -  10/15/19961/3/1997 10 6 months 0.0022 1.700
1/1/1994  -  5/24/19946/27/1994 10 6 months 0 0.100


More information for this water system: SDWIS ID 1083
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