OHA Drinking Water Services
OR41
PWS ID: 00042 ---- ANTELOPE, 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
7/28/2023  -  8/1/20238/21/2023 5 3 years 0.0011 0.088
6/11/2020  -  6/15/20206/25/2020 5 3 years 0.0008 0.058
6/8/2017  6/22/2017 5 3 years 0.0002 0.059
9/29/2014  10/7/2014 5 3 years 0.0025 0.072
9/6/2011  -  9/7/20119/20/2011 5 3 years 0.0052 0.036
8/18/2008  -  8/19/20089/5/2008 5 3 years 0 0.081
3/24/2005  4/8/2005 5 3 years 0 0
2/24/2001  -  2/26/20011/12/2004 5 1 year 0.0030 0.060
1/1/1996  -  10/17/199611/6/1996 5 1 year 0.0012 0.050
1/1/1995  -  6/23/19959/1/1995 5 1 year 0.0240 0.120
7/1/1994  -  11/14/19943/29/1995 5 6 months 0.0020 0.100
7/1/1993  -  11/5/199311/16/1994 5 6 months 0.0080 0.075


More information for this water system: SDWIS ID 3224
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