OHA Drinking Water Services
OR41
PWS ID: 95143 ---- COTTAGE GROVE MASONIC CENTER
Chemical Results

Table is loading - please wait...
More Information
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

Sample Dates
From
to
Or select year:
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 5/17/2018 0.613 MG/L MCL 10 MG/L 0.1 MRL 5/18/2018 1805872001-I OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 17537 1852670 24840742018 NO3-1040 D EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 2018-05-17
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 11/1/2002 ND MCL 10 MG/L 1 MRL 11/6/2002 223846 OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 85193 1050522002 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2002-11-01
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 2/11/2010 ND MG/L MCL 10 MG/L 1 MRL 2/22/2010 100679-I OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 679346 9738762010 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2010-02-11
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 3/3/2011 ND MG/L MCL 10 MG/L 1 MRL 3/9/2011 110989-I OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 797405 11441642011 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2011-03-03
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 8/20/2015 0.493 MG/L MCL 10 MG/L 0.1 MRL 8/31/2015 1508873001-I OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 17537 1436019 19560442015 NO3-1040 D EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 2015-08-20
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 5/4/2023 0.754 MG/L MCL 10 MG/L 0.1 MRL 5/5/2023 2305226-001-I OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 17537 2625523 34886212023 NO3-1040 D EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 2023-05-04
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 3/8/2007 ND MG/L MCL 10 MG/L 1 MRL 3/12/2007 270731 OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 428756 6111852007 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2007-03-08
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 8/19/2021 0.811 MG/L MCL 10 MG/L 0.1 MRL 8/20/2021 2108904001-I OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 17537 2361104 31323342021 NO3-1040 D EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 2021-08-19
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 6/1/2017 0.524 MG/L MCL 10 MG/L 0.1 MRL 6/2/2017 1706038001-I OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 17537 1710047 23143382017 NO3-1040 D EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 2017-06-01
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 5/16/2019 0.732 MG/L MCL 10 MG/L 0.1 MRL 5/22/2019 1905797001-I OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 17537 2009428 26747162019 NO3-1040 D EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 2019-05-16
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 5/9/2013 ND MG/L MCL 10 MG/L 1 MRL 5/17/2013 131866-I OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 1093371 15125182013 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2013-05-09
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 10/8/2003 ND MCL 10 MG/L 1 MRL 10/14/2003 233887 OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 148802 1982412003 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2003-10-08
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 3/5/2009 ND MG/L MCL 10 MG/L 1 MRL 3/16/2009 291122-I OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 574348 8404332009 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2009-03-05
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 7/19/2004 ND MCL 10 MG/L 1 MRL 7/26/2004 242562 OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 201850 2772042004 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2004-07-19
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 1/16/2014 ND MG/L MCL 10 MG/L 1 MRL 1/17/2014 140287-I OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 1199359 16718442014 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2014-01-16
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 3/9/2006 ND MCL 10 MG/L 1 MRL 3/13/2006 260788 OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 323576 4768252006 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2006-03-09
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 3/6/2008 ND MCL 10 MG/L 1 MRL 3/17/2008 281193 OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 497601 7200292008 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2008-03-06
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 8/18/2016 ND MG/L MCL 10 MG/L 1 MRL 8/25/2016 1608928001-I OR100012 ANALYTICAL LABORATORY GROUP 4500NO3-D ION SELECTIVE ELECTRODE 17537 1588669 21501722016 NO3-1040 N EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 4500NO3-D ION SELECTIVE ELECTRODE 2016-08-18
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 5/17/2012 ND MG/L MCL 10 MG/L 1 MRL 5/18/2012 122290-I OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 944573 13287262012 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2012-05-17
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 2/15/2005 ND MCL 10 MG/L 1 MRL 2/22/2005 250494 OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 17537 245953 3543952005 NO3-1040 N EP-A EP for WELL 1 Finished OR100024 DELTA ENVIRONMENTAL SERVICES INC 4500NO3-D ION SELECTIVE ELECTRODE 2005-02-15
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 6/2/2020 0.720 MG/L MCL 10 MG/L 0.1 MRL 6/10/2020 2006095001-I OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 17537 2179730 29161902020 NO3-1040 D EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 2020-06-02
EP-A EP for WELL 1 Finished NO3 1040 NITRATE 5/19/2022 0.636 MG/L MCL 10 MG/L 0.1 MRL 5/20/2022 2205856001-I OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 17537 2475078 32720862022 NO3-1040 D EP-A EP for WELL 1 Finished OR100012 ANALYTICAL LABORATORY GROUP 300.0 ION CHROMATOGRAPHY 2022-05-19



More information for this water system: SDWIS ID 4679
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  Corrosion Control (LCR)  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA
Something missing? The new Chemical Results page replaces many pages, including arsenic and nitrate.

Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride

Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules

Need help? Email Drinking Water Services for assistance.Staff/Partner Login