OHA Drinking Water Services
OR41
PWS ID: 93753 ---- EVERGREEN 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
9/19/2024  10/8/2024 5 3 years 0.0027 0.444
9/16/2021  10/6/2021 5 3 years 0.0020 0.357
9/7/2018  9/21/2018 5 3 years 0.0020 0.076
9/22/2015  -  10/21/201511/10/2015 5 3 years 0.0061 0.284
8/19/2012  10/16/2012 5 3 years 0 0.296
9/29/2009  10/9/2009 5 3 years 0.0066 0.575
12/19/2006  5 3 years 0.0045 0.760
1/1/1999  -  9/21/199910/21/1999 5 3 years 0.0069 0.360
1/1/1998  -  10/1/199810/21/1998 5 1 year 0.0103 0.440
7/1/1997  7/29/1997 5 6 months 0.0030 0.100
1/1/1996  -  3/7/19974/9/1997 5 6 months 0.0080 0.103
7/1/1996  -  12/6/19961/2/1997 5 6 months 0.0095 0.145
1/1/1996  -  6/7/19967/1/1996 5 6 months 0.0190 0.060
1/1/1995  -  9/16/199510/23/1995 5 6 months 0.0090 0.064
1/1/1995  -  2/22/19953/3/1995 5 6 months 0.0060 0.050
7/1/1994  -  11/14/199411/25/1994 5 6 months 0.0145 0.070


More information for this water system: SDWIS ID 1436
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