OHA Drinking Water Services
OR41
PWS ID: 00112 ---- CIMMARRON CITY WATER SYSTEM
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
9/24/2025  -  9/26/202510/6/2025 5 3 years 0.0008 0.042
9/12/2022  -  9/13/20229/26/2022 5 3 years 0.0011 0.036
6/10/2019  -  6/11/20196/14/2019 5 3 years 0.0020 0.028
7/15/2016  7/29/2016 5 3 years 0.0010 0.030
9/17/2013  -  9/19/201310/14/2013 5 3 years 0 0.042
9/15/2010  10/4/2010 5 3 years 0.0020 0.071
8/28/2007  -  9/24/20079/25/2007 5 3 years 0.0045 0.037
9/30/2004  10/19/2004 5 3 years 0.0005 0.047
1/1/2001  -  10/10/200110/26/2001 5 3 years 0.0007 0.045
1/1/1997  -  9/25/199711/10/1997 5 1 year 0 0.072
1/1/1996  -  7/16/19963/10/1997 5 1 year 0.0010 0.022
1/1/1995  -  8/3/19959/1/1995 5 1 year 0 0.018
1/1/1994  -  6/15/19947/19/1994 10 6 months 0.0016 0.062
1/1/1993  -  6/16/19939/2/1994 10 6 months 0.0030 0.067


More information for this water system: SDWIS ID 3705
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