OHA Drinking Water Services
OR41
PWS ID: 91687 ---- LACOMB ELEMENTARY
Lead & Copper

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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
6/11/2024  6/19/2024 5 3 years 0.0050 0.760
6/13/2023  6/23/2023 5 3 years 0 0.739
6/14/2022  6/17/2022 5 3 years 0.0069 0.920
6/7/2021  6/18/2021 5 3 years 0.0031 0.540
6/11/2018  6/18/2018 5 3 years 0.0125 0.696
6/16/2015  6/26/2015 5 3 years 0.0043 0.638
6/4/2012  6/27/2012 5 3 years 0.0034 0.480
9/14/2009  9/30/2009 5 3 years 0 0.590
7/18/2006  7/31/2006 5 3 years 0.0050 0.430
11/19/2002  1/21/2003 5 3 years 0 0.313
1/1/2001  -  6/12/20017/19/2001 5 1 year 0 0.137
1/1/2000  -  6/6/20008/23/2000 5 1 year 0 0.154
1/1/1999  -  5/21/19998/31/1999 10 1 year 0.0024 0.574
7/1/1998  -  7/27/19988/11/1998 10 6 months 0 0.198
1/1/1998  -  3/26/19987/29/1998 10 6 months 0.0152 0.179
1/1/1996  -  1/9/19965/28/1996 5 1 year 0.0081 2.780
1/1/1994  -  1/2/199411/29/1994 10 6 months 0.0100 1.200
7/1/1993  -  12/27/19931/13/1994 10 6 months 0.0240 3.900


More information for this water system: SDWIS ID 986
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