OHA Drinking Water Services
OR41
PWS ID: 00171 ---- CARLTON, 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
9/20/2023  -  9/21/20239/29/2023 21 6 months 0.0024 0.204
6/28/2023  -  6/29/20237/7/2023 20 6 months 0.0011 0.082
3/30/2022  -  4/4/20226/3/2022 22 6 months 0 0.084
9/21/2021  -  10/4/202110/8/2021 22 6 months 0 0.114
7/9/2019  -  7/10/20197/17/2019 10 3 years 0 0.181
8/9/2016  -  8/10/201610/3/2016 10 3 years 0 0.092
9/24/2013  10 3 years 0 0
9/13/2011  -  9/24/201310/14/2013 10 3 years 0 0.114
8/26/2008  9/29/2008 10 3 years 0.0010 0.060
8/3/2005  9/22/2005 10 3 years 0.0020 0.290
1/1/2002  -  5/11/20025/29/2002 10 3 years 0.0030 0.550
1/1/2001  -  6/15/20017/13/2001 20 6 months 0.0030 0.960
7/1/2000  -  9/13/200010/24/2000 20 6 months 0.0040 0.840
7/1/1995  7/3/1995 20 6 months 0.0030 1.290
1/1/1995  -  3/26/19954/3/1995 20 6 months 0.0020 2.100


More information for this water system: SDWIS ID 4689
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