OHA Drinking Water Services
OR41
PWS ID: 91747 ---- MT BACHELOR INC
Lead & Copper

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Detailed Results
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
3/20/2024  10 3 years 0 0.012
3/20/2024  4/4/2024 10 3 years 0 0.012
3/17/2021  3/31/2021 10 3 years 0 0.029
2/10/2020  -  2/12/20202/21/2020 10 1 year 0 0.034
1/16/2019  1/31/2019 10 1 year 0 0.059
12/18/2017  12/28/2017 20 6 months 0.0090 0.046
1/30/2017  2/3/2017 20 6 months 0.0040 0.055
9/14/2016  9/20/2016 10 3 years 0.0170 0.142
9/26/2013  10/14/2013 10 3 years 0.0030 0.061
9/17/2010  10/4/2010 10 3 years 0 0.307
9/29/2007  10/26/2007 10 3 years 0.0050 0.392
12/6/2004  -  12/31/20041/24/2005 10 3 years 0.0010 0.021
1/1/2001  -  12/19/20011/11/2002 10 1 year 0.0007 0.081
1/1/1996  -  12/31/19965/9/1997 10 1 year 0 0
1/1/1995  -  6/13/19959/25/1995 10 1 year 0.0110 0.060
7/1/1994  -  12/30/19949/28/1995 20 6 months 0.0070 0.060
7/1/1993  -  12/9/19931/24/1994 20 6 months 0.0111 0.152


More information for this water system: SDWIS ID 3867
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