Data Online - Oregon Drinking Water Services
Entry Point Chemical Detection Summary   PWS ID: 00229 ---- RIDGEWOOD DIST IMPROV CO
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
06/02/202107/15/2021EP-AEP for WELLCHROMIUM 0.0010000MG/L 0.1000002137544-I
06/02/202107/15/2021EP-AEP for WELLFLUORIDE 0.2400000MG/L 4.0000002137544-I
06/02/202107/15/2021EP-AEP for WELLNITRATE 0.0900000MG/L 10.0000002137544
06/02/2021EP-AEP for WELLNITRATE-NITRITE 0.0900000MG/L 10.0000002137544
06/02/202107/15/2021EP-AEP for WELLSODIUM 33.3000000MG/L 2137544-I
06/06/201807/10/2018EP-AEP for WELLCHROMIUM 0.0020000MG/L 0.1000001840699-I
06/06/201807/10/2018EP-AEP for WELLFLUORIDE 0.1800000MG/L 4.0000001840699-I
06/06/201807/10/2018EP-AEP for WELLNITRATE 0.0600000MG/L 10.0000001840699
06/06/2018EP-AEP for WELLNITRATE-NITRITE 0.0600000MG/L 10.0000001840699
06/06/201807/10/2018EP-AEP for WELLSODIUM 28.9000000MG/L 1840699-I
06/01/201506/22/2015EP-AEP for WELLCHROMIUM 0.0010000MG/L 0.1000001524306-I
06/01/201506/22/2015EP-AEP for WELLFLUORIDE 0.2100000MG/L 4.0000001524306-I
06/01/201506/22/2015EP-AEP for WELLNITRATE 0.0700000MG/L 10.0000001524306
06/01/2015EP-AEP for WELLNITRATE-NITRITE 0.0700000MG/L 10.0000001524306
06/01/201506/22/2015EP-AEP for WELLSODIUM 30.2000000MG/L 1524306-I
06/03/201306/18/2013EP-AEP for WELLNITRATE 0.0900000MG/L 10.000000OR100063-21718-I
06/04/201206/22/2012EP-AEP for WELLFLUORIDE 0.2410000MG/L 4.00000026064-I
06/04/201206/22/2012EP-AEP for WELLSELENIUM 0.0006330MG/L 0.05000026064-I
06/04/201206/22/2012EP-AEP for WELLSODIUM 28.4000000MG/L 26064-I
06/01/200906/29/2009EP-AEP for WELLCYANIDE 0.0050000MG/L 0.20000018846-I
06/01/200906/29/2009EP-AEP for WELLFLUORIDE 0.3000000MG/L 4.00000018846-I
06/01/200906/29/2009EP-AEP for WELLSODIUM 29.0000000MG/L 18846-I
06/01/200606/23/2006EP-AEP for WELLFLUORIDE 0.4000000MG/L 4.00000012654-I
06/01/200606/23/2006EP-AEP for WELLNICKEL 0.0005000MG/L 0.10000012654-I
06/01/200606/23/2006EP-AEP for WELLSELENIUM 0.0010000MG/L 0.05000012654-I
06/01/200606/23/2006EP-AEP for WELLSODIUM 32.0000000MG/L 12654-I
06/10/200307/22/2003EP-AEP for WELLFLUORIDE 0.3000000MG/L 4.0000006193I
06/10/200307/22/2003EP-AEP for WELLNITRATE 0.2000000MG/L 10.0000006193I
06/10/2003EP-AEP for WELLNITRATE-NITRITE 0.2000000MG/L 10.0000006193I
06/10/200307/22/2003EP-AEP for WELLSODIUM 30.0000000MG/L 6193I
08/05/200210/01/2002EP-AEP for WELLCOMBINED RADIUM (-226 & -228) 2.2000000PCI/L 5.0000004893
08/05/200210/01/2002EP-AEP for WELLCOMBINED RADIUM (-226 & -228) 2.2000000PCI/L 5.0000004893
08/05/200212/05/2005EP-AEP for WELLCOMBINED RADIUM (-226 & -228) 2.2000000PCI/L 5.0000004893-R
08/05/200210/01/2002EP-AEP for WELLCOMBINED URANIUM 0.0000400MG/L 0.0300004893
08/05/200210/01/2002EP-AEP for WELLCOMBINED URANIUM 0.0000400MG/L 0.0300004893
08/05/200212/05/2005EP-AEP for WELLCOMBINED URANIUM 0.0000400MG/L 0.0300004893-R
Archived Chemical Detections - PWS ID: 00229
Source ID Source Name Analyte
Results MCL
02/04/199103/18/1991AWELLSodium 33.4000000
06/05/200007/13/2000AAWELLNickel 0.0008000 0.1000
06/05/200007/13/2000AAWELLNitrate 0.170000010.0000
06/05/200007/13/2000AAWELLSodium 37.0000000
06/05/200007/13/2000AAWELLSulfate 11.0000000
06/23/199907/13/1999AAWELLNitrate 0.130000010.0000
08/10/199809/30/1998AAWELLNitrate 0.150000010.0000
06/24/199708/29/1997AAWELLNitrate 0.170000010.0000
06/24/199708/29/1997AAWELLSodium 28.8000000
06/24/199708/29/1997AAWELLSulfate 10.9000000
09/20/199511/16/1995AAWELLNitrate 0.070000010.0000
05/04/199301/21/1994AAWELL - WELLSodium 31.4000000
05/04/199301/21/1994AAWELL - WELLSulfate 9.2000000
04/01/199309/23/1993AAWELL - WELLGross Alpha, Excl. Radon & U 0.400000015.0000

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

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