OHA Drinking Water Services
OR41
PWS ID: 01044 ---- TIERRA LINDA ESTATES
Lead & Copper

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Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
8/3/2022  9/19/2022 5 3 years 0 0.033
7/11/2019  5 3 years 0 0.020
7/11/2019  8/9/2019 5 3 years 0.0040 0.020
9/9/2015  10/9/2015 5 3 years 0 0.004
9/29/2010  11/16/2010 5 3 years 0.0014 0.276
9/17/2007  -  9/19/200710/9/2007 5 3 years 0.0020 0.095
12/8/2004  1/7/2005 5 3 years 0 0.187
1/1/1997  -  10/14/199711/10/1997 5 1 year 0 0.009
1/1/1995  -  5/16/19957/31/1995 5 1 year 0.0010 0.040
1/1/1994  -  5/23/199412/12/1994 10 6 months 0 0.139
7/1/1993  -  8/3/199310/5/1993 10 6 months 0 0.118


More information for this water system: SDWIS ID 3810
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