OHA Drinking Water Services
OR41
PWS ID: 91003 ---- UMPQUAS LAST RESORT
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, 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 7/27/2015 ND MG/L MCL 10 MG/L 0.2 MRL 7/31/2015 1507A9001B-I OR100016 NEILSON RESEARCH CORPORATION 300.0 ION CHROMATOGRAPHY 17140 1426879 19445622015 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100016 NEILSON RESEARCH CORPORATION 300.0 ION CHROMATOGRAPHY 2015-07-27
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 5/10/2019 0.19 MG/L MCL 10 MG/L 0.1 MRL 5/29/2019 905100701-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 2010274 26766842019 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2019-05-10
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 2/20/2020 0.12 MG/L MCL 10 MG/L 0.1 MRL 2/28/2020 002202801-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 2135563 28640322020 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2020-02-20
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 10/13/2021 0.10 MG/L MCL 10 MG/L 0.1 MRL 10/22/2021 110132401-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 2390303 31684202021 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2021-10-13
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 3/18/2022 ND MG/L MCL 10 MG/L 0.1 MRL 3/28/2022 203182301-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 2451574 32437482022 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2022-03-18
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 1/18/2023 0.17 MG/L MCL 10 MG/L 0.1 MRL 2/3/2023 3011824-01-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 2588537 34469872023 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2023-01-18
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 8/28/2001 0.14 MG/L MCL 10 MG/L 4/18/2003 10828-3 OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 126128 1661722001 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2001-08-28
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 1/30/2003 0.17 MG/L MCL 10 MG/L 7/14/2003 30130-9 OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 132940 1763342003 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2003-01-30
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 12/30/2008 ND MG/L MCL 10 MG/L 0.2 MRL 1/20/2009 812302201-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 565712 8278242008 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2008-12-30
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 9/10/2009 0.16 MG/L MCL 10 MG/L 0.1 MRL 9/17/2009 909103102-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 632469 9127872009 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2009-09-10
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 2/18/2014 0.11 MG/L MCL 10 MG/L 0.1 MRL 2/26/2014 402181801-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 1211218 16854242014 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2014-02-18
EP-A EP FOR WELL 1 Finished ARS 1005 ARSENIC 2/18/2014 ND MG/L MCL 0.010 MG/L 0.003 MRL 2/26/2014 402181801-I OR100031 UMPQUA RESEARCH CO - MC 200.8 INDUCTIVELY COUPLED PLASMA MASS SPECTROM 17140 1211218 16854342014 ARS-1005 N EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 200.8 INDUCTIVELY COUPLED PLASMA MASS SPECTROM 2014-02-18
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 1/4/2024 0.24 MG/L MCL 10 MG/L 0.1 MRL 1/23/2024 4010411-01-I OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 17140 2737730 36283952024 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100031 UMPQUA RESEARCH CO - MC 300.0 ION CHROMATOGRAPHY 2024-01-04


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