OHA Drinking Water Services
OR41
PWS ID: 00236 ---- COTTAGE GROVE, CITY OF
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  10,005		 Active:  14     Show Only Active
Inactive:  9  Show Inactive
Expired:  25
                     Show All

Routine Sampling Schedules For Chemicals
Facility
ID		 Name Status Test Group Samples
Required		    Sampling
Interval		 Start End    Notes
CH-B COMMON HEADER FOR WTP-BATOTAL ORGANIC CARBON1  Quarterly10/01/2010Open
DIST-A DISTRIBUTION SYSTEMAASBESTOS, DIST1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER30  3 Years01/01/2019Opensample between June 1 and Sept. 30
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP2  Quarterly01/01/2019OpenSample in Feb, May, Aug and Nov
EP-B EP FOR WTP ROW RIVERAARSENIC1  9 Years01/01/2011Open
EP-B EP FOR WTP ROW RIVERAIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-B EP FOR WTP ROW RIVERANITRATE1  Yearly01/01/2002Open
EP-B EP FOR WTP ROW RIVERANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-B EP FOR WTP ROW RIVERARAD - GROSS ALPHA1  9 Years01/01/2020Open
EP-B EP FOR WTP ROW RIVERARAD - RADIUM 226/2281  9 Years01/01/2008Open
EP-B EP FOR WTP ROW RIVERARAD - URANIUM1  9 Years01/01/2014Open
EP-B EP FOR WTP ROW RIVERASOC2  3 Years01/01/2002Open2 Consec. QT Samples
EP-B EP FOR WTP ROW RIVERAVOLATILE ORGANICS1  Yearly01/01/2002Open
SRC-BA ROW RIVERACYANOTOXINS1  2 Weeks07/15/2018Open
Expired Schedules
CH-ACOMMON HEADER FOR WTP-AITOTAL ORGANIC CARBON1  Monthly01/01/200412/31/2005Raw Water TOC Only Required for Reduction in DBP Monitoring
CH-ACOMMON HEADER FOR WTP-AITOTAL ORGANIC CARBON1  Quarterly01/01/200610/28/2010
CH-BCOMMON HEADER FOR WTP-BATOC & ALKALINITY1  Monthly01/01/200412/31/2005Raw and filtered TOC and alkalinity
CH-BCOMMON HEADER FOR WTP-BATOC & ALKALINITY1  Quarterly01/01/200612/31/2009
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM2  Quarterly01/01/200412/31/2005Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM2  Yearly01/01/200612/31/2010Sample between June 1 and Sept. 30.
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM1  Yearly01/01/201109/30/2013Sample between June 1 and Sept 30.
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER20  3 Years01/01/200212/31/2018Sample Between June 1st and Sept 30th
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP2  Quarterly10/01/201309/30/2014Sample in Nov, Feb, May, Aug.
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP2  Yearly01/01/201512/31/2018Sample in November
EP-AEP FOR WTP LAYNG CREEKIARSENIC1  Yearly01/01/200212/31/2009
EP-AEP FOR WTP LAYNG CREEKIIOC1  9 Years01/01/200210/28/2010Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR WTP LAYNG CREEKINITRATE1  Yearly01/01/200210/28/2010
EP-AEP FOR WTP LAYNG CREEKINITRITE1  9 Years01/01/200210/28/2010Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR WTP LAYNG CREEKIRAD - GROSS ALPHA1  9 Years01/01/200810/28/2010
EP-AEP FOR WTP LAYNG CREEKIRAD - RADIUM 226/2281  9 Years01/01/200810/28/2010
EP-AEP FOR WTP LAYNG CREEKIRAD - URANIUM1  6 Years01/01/200810/28/2010
EP-AEP FOR WTP LAYNG CREEKISOC2  3 Years01/01/200210/28/20102 Consec. QT Samples
EP-AEP FOR WTP LAYNG CREEKIVOLATILE ORGANICS1  Yearly01/01/200210/28/2010
EP-BEP FOR WTP ROW RIVERAARSENIC1  Yearly01/01/200212/31/2009
EP-BEP FOR WTP ROW RIVERARAD - GROSS ALPHA1  3 Years01/01/201712/31/2019
EP-BEP FOR WTP ROW RIVERARAD - GROSS ALPHA1  9 Years01/01/200812/31/2016
EP-BEP FOR WTP ROW RIVERARAD - URANIUM1  6 Years01/01/200812/31/2013
WTP-BTP FOR ROW RIVERATOTAL ORGANIC CARBON1  Monthly01/01/200412/31/2005Post Filtration TOC
WTP-BTP FOR ROW RIVERATOTAL ORGANIC CARBON1  Quarterly01/01/200601/20/2010

More information for this water system: SDWIS ID 4293
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  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
New! Visit our new Drinking Water Source Protection page.
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  ::  Certification List  ::  DW Source Protection
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login