OHA Drinking Water Services
OR41
PWS ID: 94674 ---- SILVERTON RESERVOIR REC AREA
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:  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

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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 5/2/2012 ND MG/L MCL 10 MG/L 0.2 MRL 5/10/2012 20120502018-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 941663 13253382012 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2012-05-02
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 8/13/2008 ND MG/L MCL 10 MG/L 0.2 MRL 8/28/2008 20080813071-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 534694 7703652008 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2008-08-13
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 1/11/2023 ND MG/L MCL 10 MG/L 0.2 MRL 1/17/2023 20230111-033-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 2582682 34405872023 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2023-01-11
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 1/29/2011 ND MG/L MCL 10 MG/L 0.2 MRL 2/17/2015 20150129009-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 1359656 18666002011 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2011-01-29
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 1/23/2014 ND MG/L MCL 10 MG/L 0.2 MRL 2/3/2014 20140123019-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 1202190 16753592014 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2014-01-23
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 4/8/2011 ND MG/L MCL 10 MG/L 0.2 MRL 4/18/2011 20110408011-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 810146 11596862011 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2011-04-08
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 3/21/2017 0.442 MG/L MCL 10 MG/L 0.2 MRL 3/28/2017 20170321035-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 1678136 22785872017 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2017-03-21
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 2/24/2016 ND MG/L MCL 10 MG/L 0.2 MRL 3/3/2016 20160224041-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 1516723 20543632016 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2016-02-24
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 3/16/2021 ND MG/L MCL 10 MG/L 0.2 MRL 3/23/2021 20210316034-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 2296073 30559472021 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2021-03-16
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 2/7/2024 ND MG/L MCL 10 MG/L 0.2 MRL 2/12/2024 20240207-018-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 2748238 36394772024 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2024-02-07
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 3/15/2018 ND MG/L MCL 10 MG/L 0.2 MRL 3/23/2018 20180315022-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 1829421 24591762018 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2018-03-15
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 5/18/2022 ND MG/L MCL 10 MG/L 0.2 MRL 5/27/2022 20220518018-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 2481892 32799002022 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2022-05-18
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 2/14/2012 ND MG/L MCL 10 MG/L 0.2 MRL 2/22/2012 20120214034-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 912514 12923822012 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2012-02-14
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 8/13/2007 ND MG/L MCL 10 MG/L 0.2 MRL 8/20/2007 20070813048 OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 456681 6523022007 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2007-08-13
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 8/5/2005 ND MG/L MCL 10 MG/L 0.1 MRL 8/18/2005 20050805-008 OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 279928 4109062005 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2005-08-05
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 3/4/2020 ND MG/L MCL 10 MG/L 0.2 MRL 3/24/2020 20200304033-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 2143807 28738252020 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2020-03-04
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 7/29/2004 .1 MG/L MCL 10 MG/L 8/10/2004 A40729CA-1 OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 16473 204406 2799012004 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 2004-07-29
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 5/15/2006 ND MCL 10 MG/L 0.1 MRL 5/25/2006 20060515033 OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 339634 4969672006 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2006-05-15
EP-A EP FOR WELL 1 1 Finished NO3 1040 NITRATE 5/6/2010 ND MG/L MCL 10 MG/L 0.2 MRL 5/18/2010 20100506033-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 704360 10050062010 NO3-1040 N EP-A EP FOR WELL 1 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2010-05-06
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 1/16/2013 ND MG/L MCL 10 MG/L 0.2 MRL 1/30/2013 20130116020-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 1051224 14640682013 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2013-01-16
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 3/20/2019 ND MG/L MCL 10 MG/L 0.2 MRL 4/2/2019 20190320016-I OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 1989242 26482662019 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2019-03-20
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 9/25/2003 0.1 MG/L MCL 10 MG/L 10/3/2003 A30925AP-1 OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 16473 146455 1956862003 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 2003-09-25
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 6/2/2004 .1 MG/L MCL 10 MG/L 6/15/2004 A40604AS-1 OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 16473 195286 2662722004 NO3-1040 D EP-A EP FOR WELL 1 Finished OR100030 PYXIS LABORATORIES INC - REDMOND 300.0 ION CHROMATOGRAPHY 2004-06-02
EP-A EP FOR WELL 1 Finished NO3 1040 NITRATE 8/7/2006 ND MG/L MCL 10 MG/L 0.1 MRL 9/7/2006 20060807=042 OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 16473 388534 5533232006 NO3-1040 N EP-A EP FOR WELL 1 Finished OR100039 WATERLAB CORPORATION 300.0 ION CHROMATOGRAPHY 2006-08-07



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