Data Online - Oregon Drinking Water Services
Entry Point Chemical Detection Summary   PWS ID: 91830 ---- LONDON ELEMENTARY SD 45J3
These entry point concentrations are greater than non-detect and do not necessarily exceed an action level, MCL, or other threshold.
Links to sample results for specific contaminants in the distribution system, can be found here.
Point ID
Analyte Result UOM MCL Sample ID
02/17/202002/24/2020EP-AEP for WELLNITRATE 0.3640000MG/L 10.0000002002605001-I
06/24/201907/25/2019EP-AEP for WELLARSENIC 0.0024500MG/L 0.0100001906A24001-I
06/24/201907/25/2019EP-AEP for WELLBARIUM 0.0178000MG/L 2.0000001906A24001-I
06/24/201907/25/2019EP-AEP for WELLNITRATE 0.2800000MG/L 10.0000001906A24001-I
06/24/2019EP-AEP for WELLNITRATE-NITRITE 0.2800000MG/L 10.0000001906A24001-I
06/24/201907/25/2019EP-AEP for WELLSODIUM 46.0000000MG/L 1906A24001-I
02/19/201802/26/2018EP-AEP for WELLNITRATE 0.3780000MG/L 10.0000001802738001-I
02/10/201702/15/2017EP-AEP for WELLNITRATE 0.3700000MG/L 10.0000001702478001-I
07/20/201608/10/2016EP-AEP for WELLNITRATE 0.3160000MG/L 10.0000001607A14001-I
02/08/200702/12/2007EP-AEP for WELLARSENIC 0.0040000MG/L 0.010000270438
02/25/200403/30/2004EP-AEP for WELLARSENIC 0.0025600MG/L 0.010000P4B0794-01I
02/25/200403/30/2004EP-AEP for WELLBARIUM 0.0132000MG/L 2.000000P4B0794-01I
02/25/200403/30/2004EP-AEP for WELLNITRATE 0.1700000MG/L 10.000000P4B0794-01I
02/25/200403/30/2004EP-AEP for WELLSODIUM 40.9000000MG/L 40227-9
02/25/200403/30/2004EP-AEP for WELLSULFATE 1.0900000MG/L P4B0794-01I
Archived Chemical Detections - PWS ID: 91830
Source ID Source Name Analyte
Results MCL
02/22/200103/14/2001AEP for WELLArsenic 0.0027000 0.0500
02/22/200103/14/2001AEP for WELLBarium 0.0130000 2.0000
02/22/200103/14/2001AEP for WELLNitrate 0.220000010.0000
02/22/200103/14/2001AEP for WELLSodium 29.0000000
12/16/199802/22/1999AEP for WELLNitrate 0.250000010.0000
12/16/199802/22/1999AEP for WELLNitrate-Nitrite 0.250000010.0000
12/16/199802/22/1999AEP for WELLSodium 27.7000000
12/16/199802/22/1999AEP for WELLSulfate 1.0000000
08/24/199302/14/1994AAWELL - WELLArsenic 0.0050000 0.0500
08/24/199302/14/1994AAWELL - WELLBarium 0.0070000 2.0000
08/24/199302/14/1994AAWELL - WELLNitrate 0.590000010.0000
08/24/199302/14/1994AAWELL - WELLNitrate-Nitrite 0.590000010.0000
08/24/199302/14/1994AAWELL - WELLSodium 19.0000000
08/24/199302/14/1994AAWELL - WELLSulfate 1.1000000

Health effects informational fact sheets are available for most chemicals here.

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