OHA Drinking Water Services
OR41
PWS ID: 00338 ---- GRAND RONDE COMMUNITY WTR ASSN
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
7/30/2024  -  8/14/2024 10 3 years 0 0.295
7/30/2024  -  8/14/20249/17/2024 10 3 years 0.0023 0.295
7/27/2021  -  7/30/2021 10 3 years 0 0.596
7/27/2021  -  7/30/20218/31/2021 10 3 years 0.0027 0.596
8/22/2018  -  8/29/2018 10 3 years 0 0.401
8/22/2018  -  8/29/20189/21/2018 10 3 years 0.0026 0.401
7/17/2015  -  7/31/2015 10 3 years 0 0.633
7/17/2015  -  7/31/20159/15/2015 10 3 years 0.0078 0.633
7/3/2012  -  7/12/2012 10 3 years 0 0.314
7/3/2012  -  7/12/20127/31/2012 10 3 years 0 0.314
8/12/2009  -  8/20/200910/14/2009 10 3 years 0.0022 0.700
8/22/2006  -  8/24/200610/24/2006 10 3 years 0.0030 0.610
8/21/2003  -  8/27/200310/24/2003 10 3 years 0.0020 0.063
1/1/1999  -  8/16/20009/12/2000 10 3 years 0.0050 0.640
1/1/1997  -  7/10/19978/21/1997 10 1 year 0.0044 0.330
1/1/1996  -  7/17/19968/20/1996 10 1 year 0.0024 0.310
1/1/1995  -  8/29/19959/29/1995 10 1 year 0.0010 0.230
1/1/1994  -  6/30/19949/19/1994 20 6 months 0.0010 0.680
7/1/1993  -  12/1/199312/28/1993 20 6 months 0.0040 0.510


More information for this water system: SDWIS ID 3310
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