OHA Drinking Water Services
OR41
PWS ID: 00585 ---- OCEANSIDE WATER DISTRICT
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
7/16/2024  8/2/2024 5 3 years 0 0.179
8/17/2021  9/2/2021 5 3 years 0 0.088
6/14/2018  7/23/2018 10 6 months 0.0040 0
11/29/2017  -  12/1/201712/14/2017 10 6 months 0.0040 0.136
8/2/2016  8/29/2016 10 3 years 0 0.148
9/19/2013  -  9/23/201310/2/2013 10 3 years 0.0030 0.238
8/10/2010  8/31/2010 20 6 months 0 0.220
3/25/2010  4/14/2010 20 6 months 0.0040 0.180
11/5/2009  4/14/2010 5 6 months 0.0175 0.340
9/2/2008  11/25/2008 5 3 years 0.0270 0.080
9/19/2006  11/30/2006 5 3 years 0.0010 0.175
12/30/2003  1/26/2004 5 3 years 0.0070 0.110
1/1/1999  -  10/22/199911/22/1999 5 3 years 0.0021 0.215
1/1/1998  -  10/21/199811/24/1998 5 1 year 0.0740 0.590
1/1/1997  -  12/9/19972/9/1998 5 1 year 0.0054 0.070
1/1/1995  -  9/7/19959/20/1995 5 1 year 0.0090 0.500
1/1/1994  -  5/24/19946/15/1994 10 6 months 0.0100 0.590
7/1/1993  -  8/23/19939/20/1993 10 6 months 0.0120 0.700


More information for this water system: SDWIS ID 3980
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