OHA Drinking Water Services
OR41
PWS ID: 00743 ---- HILAND WC - HERITAGE WATER COMPANY
Lead & Copper

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Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
9/30/2024  10/8/2024 4 3 years 0.0036 0
6/28/2023  -  7/3/20237/26/2023 5 3 years 0.0010 0
7/8/2020  -  7/9/20207/28/2020 7 3 years 0 0.016
8/16/2017  -  9/5/20179/25/2017 5 3 years 0 0
7/7/2016  -  9/22/201611/14/2016 4 3 years 0 0.124
6/13/2013  7/10/2013 5 3 years 0.0070 0.061
7/20/2010  11/22/2010 5 3 years 0 0
9/15/2003  11/17/2003 5 3 years 0 0
1/1/2000  -  9/19/200011/14/2000 5 1 year 0 0.198
1/1/1999  -  9/17/199911/8/1999 5 1 year 0 0.118
1/1/1997  -  9/15/199711/18/1997 5 1 year 0 0
1/1/1994  -  6/22/19947/21/1994 5 6 months 0 0.137
7/1/1993  -  12/29/19932/20/1994 5 6 months 0 0.102


More information for this water system: SDWIS ID 3410
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