OHA Drinking Water Services
OR41
PWS ID: 01087 ---- USFS PROSPECT RANGER STATION
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
8/4/2023  8/17/2023 5 1 year 0.0012 0.393
2/23/2022  3/7/2022 5 6 months 0.0015 0.459
11/3/2020  11/10/2020 5 6 months 0.0077 0.650
9/10/2004  10/4/2004 5 3 years 0.0021 0
1/1/2000  -  12/18/20001/2/2001 5 1 year 0.0092 0.144
1/1/1997  -  7/23/19978/4/1997 5 1 year 0.0050 0.786
1/1/1995  -  8/14/19957/18/1997 5 1 year 0.0110 0.358
1/1/1994  -  3/9/19945/24/1994 5 6 months 0.0094 0.330
7/1/1993  -  8/3/199311/23/1993 5 6 months 0.0070 0.366


More information for this water system: SDWIS ID 4122
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