OHA Drinking Water Services
OR41
PWS ID: 00605 ---- HILAND WC - ECHO MOUNTAIN
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
9/2/2023  -  9/5/20239/25/2023 5 3 years 0.0030 0.033
6/24/2020  -  6/26/20207/16/2020 5 3 years 0.0030 0.033
9/15/2017  10/10/2017 5 3 years 0.0050 0.148
9/16/2014  10/10/2014 5 3 years 0 0
9/8/2011  9/26/2011 5 3 years 0 0
8/22/2001  5/30/2003 5 3 years 0 0.032
1/1/1998  -  9/30/19981/12/1999 5 1 year 0 0
1/1/1997  -  7/28/19978/5/1997 5 1 year 0 0.016
1/1/1996  -  8/27/199610/22/1996 5 1 year 0 0.103
1/1/1995  -  5/23/19956/23/1995 10 6 months 0 0.010
7/1/1993  -  11/11/19931/3/1994 10 6 months 0.0021 0.301


More information for this water system: SDWIS ID 3378
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