OHA Drinking Water Services
OR41
PWS ID: 91064 ---- OPRD AINSWORTH STATE PARK
Chemical Results

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How to use this data table
  • Filter: Use the Select Analytes panel below to filter for specific analytes or groups. Note that only analytes for which there are data are listed. Use the dropdown menus in column headers and the Sample Dates box to filter results. Use the Search box to search across all columns. For example, you can enter a specific sample ID, analyte, or any other search criteria into the Search box.
  • Sort: Click column headings to sort ascending or descending. Sort by multiple columns by holding the Shift key while clicking on additional column headings. The arrow in the column heading will show in blue if the results are currently being sorted by that column.
  • Columns: Use the Columns button to select which columns to display in the table, including additional columns not shown in the default display. Drag column headings to rearrange their order.
  • DBPs & TOC: Use the DBPs & TOC button to filter the results for DBPs, TOC, and alkalinity. Columns and sort order will automatically adjust to help review the data.
  • Download: Use the Download button to export data to an Excel or CSV file. Only filtered results will be downloaded.
  • Reset: Click the Reset button to restore default settings.
Results not included & related pages
Abbreviations
  • Analyte Groups:  ARS = Arsenic, NO2 = Nitrite, NO3 = Nitrate
  • Analyte Levels:  MCL = Maximum contaminant level, ACL = Action level. Analyte level exceedances are indicated with bold red text.
  • Detection and Reporting Limits:  MDL = Federal minimum detection limit, MRL = Lab reporting level, ND = Not detected at the MDL or MRL.
Select Analytes

Sample Dates
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Facility ID Facility Name Sample Point ID Sample Location Source Type Analyte Group Analyte Code Analyte Name
Use the "Select Analytes" panel above to filter.
 Sample
Date		 Result Units Analyte
Level
Type		 Current
Analyte
Level		 Analyte
Level
Units		 Limit Limit
Type		 Received
Date		 Sample ID Comments Lab ID Lab Name Analysis Method Method Name TINWSF
ISN		 TSASAMPL
ISN		 TSASAR
ISN		 SelectYear SelectAnalyte SelectResult SelectFacilityID SelectFacilityName SelectSamplePointID SelectSampleLocation SelectSourceType SelectLabID SelectLabName SelectMethod SelectMethodName FilterSampleDate
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 7/16/2010 0.21 MG/L MCL 10 MG/L 0.01 MRL 7/30/2010 716251-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 728134 10348322010 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2010-07-16
EP-A EP FOR WELL 1 Finished NO2 1041 NITRITE 7/16/2010 ND MG/L MCL 1 MG/L 0.01 MRL 7/30/2010 716251-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 728134 10348022010 NO2-1041 N EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2010-07-16
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 6/21/2016 0.214 MG/L MCL 10 MG/L 0.01 MRL 7/5/2016 60621431-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 1562489 21133392016 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2016-06-21
EP-A EP FOR WELL 1 Finished NO2 1041 NITRITE 10/17/2023 ND MG/L MCL 1 MG/L 0.01 MRL 10/27/2023 23-012356-0004-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 2702375 35860002023 NO2-1041 N EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2023-10-17
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 10/17/2023 0.371 MG/L MCL 10 MG/L 0.05 MRL 10/27/2023 23-012356-0004-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 2702375 35860052023 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2023-10-17
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 4/21/2011 0.22 MG/L MCL 10 MG/L 0.01 MRL 5/4/2011 10421331-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 817384 11686682011 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2011-04-21
EP-A EP FOR WELL 1 Finished NO2 1041 NITRITE 4/21/2011 ND MG/L MCL 1 MG/L 0.01 MRL 5/4/2011 10421331-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 817384 11686522011 NO2-1041 N EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2011-04-21
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 10/29/2012 0.234 MG/L MCL 10 MG/L 0.01 MRL 11/27/2012 21029211-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 1026082 14309592012 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2012-10-29
EP-A EP FOR WELL 1 Finished ARS 1005 ARSENIC 10/29/2012 0.00204 MG/L MCL 0.010 MG/L 0.0005 MRL 11/27/2012 21029211-I OR100028 COLUMBIA LABORATORIES, INC 200.8 INDUCTIVELY COUPLED PLASMA MASS SPECTROM 16763 1026082 14309942012 ARS-1005 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 200.8 INDUCTIVELY COUPLED PLASMA MASS SPECTROM 2012-10-29
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 11/4/2008 ND MG/L MCL 10 MG/L 0.1 MRL 12/9/2008 A81104S1-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 554566 8084552008 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2008-11-04
EP-A EP FOR WELL 1 Finished NO2 1041 NITRITE 11/4/2008 ND MG/L MCL 1 MG/L 0.1 MRL 12/9/2008 A81104S1-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 554566 8084562008 NO2-1041 N EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2008-11-04
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 10/14/2021 0.261 MG/L MCL 10 MG/L 0.05 MRL 10/18/2021 210121680001-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 2389838 31677622021 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2021-10-14
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 10/27/2015 0.230 MG/L MCL 10 MG/L 0.05 MRL 11/4/2015 51027111-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 1469911 19981312015 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2015-10-27
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 6/30/2005 0.2 MG/L MCL 10 MG/L 7/25/2005 A50630Y-1 OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 16763 278230 4082862005 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 2005-06-30
EP-A EP FOR WELL 1 Finished NO2 1041 NITRITE 6/30/2005 ND MCL 1 MG/L 0.1 MRL 7/25/2005 A50630Y-1 OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 16763 278230 4082872005 NO2-1041 N EP-A EP FOR WELL 1 Finished OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 2005-06-30
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 11/14/2013 0.213 MG/L MCL 10 MG/L 0.01 MRL 11/27/2013 31114201-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 1176802 16353142013 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2013-11-14
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 10/17/2019 0.263 MG/L MCL 10 MG/L 0.05 MRL 10/30/2019 19-012742-0001 OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 2082219 27851482019 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2019-10-17
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 11/15/2022 0.819 MG/L MCL 10 MG/L 0.05 MRL 11/23/2022 22-014035-0002-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 2558487 33989362022 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2022-11-15
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 10/28/2009 0.24 MG/L MCL 10 MG/L 0.01 MRL 11/6/2009 91028471-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 648230 9357282009 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2009-10-28
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 11/3/2014 0.236 MG/L MCL 10 MG/L 0.01 MRL 11/14/2014 41103181-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 1324735 18248492014 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2014-11-03
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 11/14/2003 ND MCL 10 MG/L 0 MDL 12/15/2003 L3620 OR100011 WYEAST ENVIRONMENTAL SCIENCES 300.0 ION CHROMATOGRAPHY 16763 161699 2177142003 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100011 WYEAST ENVIRONMENTAL SCIENCES 300.0 ION CHROMATOGRAPHY 2003-11-14
EP-A EP FOR WELL 1 Finished NO2 1041 NITRITE 11/14/2003 ND MCL 1 MG/L 0 MDL 12/15/2003 L3620 OR100011 WYEAST ENVIRONMENTAL SCIENCES 300.0 ION CHROMATOGRAPHY 16763 161699 2177152003 NO2-1041 N EP-A EP FOR WELL 1 Finished OR100011 WYEAST ENVIRONMENTAL SCIENCES 300.0 ION CHROMATOGRAPHY 2003-11-14
EP-A EP FOR WELL 1 Finished NO2 1041 NITRITE 10/28/2009 ND MG/L MCL 1 MG/L 0.1 MRL 11/24/2009 9102907-I OR100021 TEST AMERICA ATC - PORTLAND 300.0 ION CHROMATOGRAPHY 16763 653238 9411912009 NO2-1041 N EP-A EP FOR WELL 1 Finished OR100021 TEST AMERICA ATC - PORTLAND 300.0 ION CHROMATOGRAPHY 2009-10-28
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 10/28/2020 0.290 MG/L MCL 10 MG/L 0.05 MRL 11/4/2020 200117280001-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 2246842 29989792020 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2020-10-28
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 11/6/2017 0.176 MG/L MCL 10 MG/L 0.01 MRL 11/10/2017 71106541-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 1778775 24009472017 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2017-11-06
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 9/23/2004 0.2 MG/L MCL 10 MG/L 10/13/2004 A40923AM-1 OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 16763 219293 3019942004 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 2004-09-23
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 3/5/2018 0.218 MG/L MCL 10 MG/L 0.05 MRL 3/21/2018 180009990001-I OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 16763 1828966 24586752018 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100028 COLUMBIA LABORATORIES, INC 300.0 ION CHROMATOGRAPHY 2018-03-05


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