OHA Drinking Water Services
OR41
PWS ID: 00315 ---- LAURELWOOD WATER USERS
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
7/12/2024  7/26/2024 1 3 years 0 0.041
8/20/2020  8/28/2020 5 3 years 0.0010 0.109
8/2/2017  -  8/7/20178/31/2017 5 3 years 0.0050 0.272
9/25/2014  -  9/26/201410/13/2014 5 3 years 0.0070 1.160
9/22/2013  -  11/8/20131/27/2014 5 3 years 0.0080 1.010
9/26/2010  -  9/27/201010/27/2010 5 3 years 0.0045 1.300
3/17/2003  3/31/2003 10 1 year 0.0050 0.790
1/1/2000  -  6/5/20006/20/2000 5 1 year 0.0050 0.910
1/1/1997  -  5/12/19975/27/1997 5 1 year 0.0050 0.840
1/1/1994  -  2/14/19943/14/1994 10 6 months 0.0040 1.390
7/1/1993  -  8/2/19939/21/1993 10 6 months 0.0090 0.720


More information for this water system: SDWIS ID 3302
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