OHA Drinking Water Services
OR41
PWS ID: 00811 ---- SHERIDAN, CITY OF
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
7/1/2024  -  10/5/202410/28/2024 46 6 months 0.0014 0.529
6/24/2024  -  6/29/20247/23/2024 40 6 months 0.0010 0.561
7/7/2023  -  12/28/20231/2/2024 43 6 months 0.0020 0.485
5/23/2023  -  6/28/20237/19/2023 40 6 months 0.0176 0.946 9/7/2023
7/27/2021  8/31/2021 20 3 years 0.0049 1.270 9/3/2021
8/21/2018  9/12/2018 20 3 years 0.0029 0.500
8/18/2015  9/15/2015 20 3 years 0.0134 0.732
7/25/2012  9/13/2012 20 3 years 0 0.491
7/29/2009  8/14/2009 20 3 years 0.0106 0.340
7/26/2006  -  8/1/20068/18/2006 20 3 years 0.0028 0.780
9/5/2003  9/18/2003 20 3 years 0 0.427
1/1/1996  -  8/9/200011/13/2000 20 3 years 0 0.463
1/1/1996  -  8/13/199710/27/1997 20 3 years 0.0042 0
1/1/1996  -  8/14/199610/15/1996 20 1 year 0 0.384
1/1/1995  -  9/6/199510/25/1995 20 1 year 0.0055 0.590
1/1/1994  -  6/26/19948/26/1994 20 1 year 0 0.540
1/1/1993  -  6/2/19937/2/1993 40 6 months 0 0.584
7/1/1992  -  11/30/199212/30/1992 40 6 months 0.0049 0.526


More information for this water system: SDWIS ID 4687
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