OHA Drinking Water Services
OR41
PWS ID: 00337 ---- ROCK CREEK WATER DISTRICT
Lead & Copper

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Summary Results
Detailed Results
Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
8/16/2022  9/27/2022 5 3 years 0.0108 0.207
9/10/2019  10/4/2019 5 3 years 0.0054 0.162
9/14/2016  10/14/2016 5 3 years 0.0049 0
9/15/2013  -  9/16/201310/30/2013 5 3 years 0.0043 0.059
8/30/2010  10/7/2010 5 3 years 0 0.080
7/6/2007  -  9/10/200710/16/2007 10 6 months 0.0085 0.150
8/28/2006  12/18/2006 3 3 years 0.0100 0.250
8/18/2003  10/31/2003 5 3 years 0.0081 0.033
1/1/2000  -  7/24/200011/28/2000 5 1 year 0.0110 0.192
1/1/1999  -  9/29/199911/30/1999 5 1 year 0.0017 0.267
1/1/1998  -  7/15/19988/27/1998 5 1 year 0 0.216
1/1/1994  -  6/26/19948/2/1994 10 6 months 0.0035 0.036
7/1/1993  -  12/14/19931/31/1994 10 6 months 0.0048 0.394


More information for this water system: SDWIS ID 3959
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