OHA Drinking Water Services
OR41
PWS ID: 91511 ---- SHADY COVE MIDDLE SD #9
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
1/17/2025  1/29/2025 10 6 months 0.0044 0.148
7/30/2024  -  11/13/202411/25/2024 10 6 months 0 0.136
2/23/2024  2/29/2024 11 6 months 0.0012 0.032
9/28/2022  46 3 years 0.0021 0.154
7/19/2021  -  9/28/202210/10/2022 61 3 years 0.0026 0.153
7/19/2021  -  9/29/2021 15 3 years 0.0193 0.153 10/13/2021
7/26/2018  8/6/2018 8 3 years 0.0115 0.246
9/18/2015  9/28/2015 10 3 years 0.0040 0.248
9/25/2012  10/1/2012 10 3 years 0.0055 0.174
9/25/2009  10/8/2009 10 3 years 0.0018 0.172
9/18/2006  10/3/2006 10 3 years 0.0040 0.208
1/1/1997  -  10/7/199710/30/1997 5 1 year 0 0
1/1/1996  -  10/3/199610/18/1996 5 1 year 0.0020 0
1/1/1995  -  8/8/199510/2/1995 5 1 year 0.0015 0.105
1/1/1994  -  2/21/19945/31/1994 10 6 months 0 0.090
7/1/1993  -  7/27/19938/26/1993 10 6 months 0.0030 0.164


More information for this water system: SDWIS ID 899
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