OHA Drinking Water Services
OR41
PWS ID: 00706 ---- RIDDLE, CITY OF
Lead & Copper

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Summary Results
Detailed Results
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received
Sample
Count
Frequency Lead
(mg/L)
Copper
(mg/L)
Consumer
Notice Date
7/26/2022  7/28/20228/10/2022 10 3 years 0.0070 0.093
8/13/2019  8/15/20199/11/2019 10 3 years 0.0110 0.127 9/18/2019
8/10/2016  8/11/20168/26/2016 10 3 years 0.0110 0.389 9/13/2016
8/1/2013  8/5/20138/15/2013 10 3 years 0.0100 0.288
7/22/2010  7/23/20108/9/2010 10 3 years 0.0080 0.476
7/18/2007  7/30/2007 10 3 years 0.0050 0.419
10/6/2004  10/7/200411/4/2004 10 1 year 0.0040 0.475
12/5/2003  12/26/2003 10 1 year 0.0050 0.492
9/18/2002  2/13/2003 10 1 year 0.0050 0.417
1/1/2001  11/7/200112/10/2001 10 1 year 0.0050 0.129
1/1/2000  12/14/20001/16/2001 10 1 year 0.0070 0.057
1/1/1994  6/7/19949/1/1994 20 6 months 0.0030 0.270
7/1/1993  12/13/19931/18/1994 20 6 months 0.0070 0.690



More information for this water system: SDWIS ID 3988
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