OHA Drinking Water Services
OR41
PWS ID: 93970 ---- CARUS ELEMENTARY
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
9/12/2025  9/22/2025 10 6 months 0.0019 0.613
3/3/2025  3/6/2025 10 6 months 0.0013 0.627
6/12/2023  6/20/2023 10 6 months 0.0008 0.513
9/24/2019  10/4/2019 5 3 years 0.0002 0.088
8/24/2016  12/8/2016 5 3 years 0.0030 0.710
9/19/2013  9/30/2013 5 3 years 0.0017 0.470
9/22/2010  10/20/2010 5 3 years 0.0010 0.092
11/9/2006  12/6/2006 5 3 years 0.0025 0.280
3/4/2002  3/21/2002 10 3 years 0.0020 0.070
1/1/1999  -  6/22/19992/27/2002 5 1 year 0.0003 0.180
1/1/1998  -  10/22/19983/17/1999 5 1 year 0.0020 0.410
1/1/1996  -  6/5/19967/1/1996 5 1 year 0.0580 0.547
7/1/1995  -  7/14/19957/27/1995 10 6 months 0.0180 0.930
7/1/1994  -  8/26/199410/25/1994 10 6 months 0.0190 0.430


More information for this water system: SDWIS ID 1505
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