OHA Drinking Water Services
OR41
PWS ID: 00238 ---- LAMONTAI IMPROVEMENT WTR DIST
Lead & Copper

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Summary Results
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
9/11/2020  -  9/16/20209/22/2020 5 3 years 0.0029 0.780
6/12/2017  6/19/2017 5 3 years 0.0038 0.700
7/8/2014  7/29/2014 5 3 years 0.0128 1.330
8/5/2011  8/31/2011 5 3 years 0.0038 0.735
7/7/2008  7/16/2008 5 3 years 0.0049 0.560
7/10/2005  -  8/8/20059/18/2005 5 3 years 0 1.265
6/23/2003  -  6/24/20031/12/2005 5 1 year 0 1.550
6/25/2002  -  6/26/20021/12/2005 5 1 year 0.0046 1.009
1/1/2000  -  10/1/200011/6/2000 5 1 year 0.0026 0.820
1/1/1999  -  12/28/19991/14/2000 5 1 year 0.0080 1.110
7/1/1994  -  11/20/19942/1/1995 10 6 months 0.0031 0.800
7/1/1993  -  9/13/19931/7/1994 10 6 months 0.0025 0.970


More information for this water system: SDWIS ID 3281
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