PWS ID: 00194 ---- CLATSKANIE, CITY OF
LRAAs and OELs

LRAA = Locational running annual average; OEL = Operational evaluation level. Learn about OELs here.
Averages are subject to change as new data is taken into consideration.

Monitoring
Period
Last
Sample
Sample
Point
Location
 
TTHM LRAA
MCL = 0.080
TTHM
OEL
HAA5 LRAA
MCL = 0.060
HAA5
OEL
2Q2020 Jun 24, 2020 2DBP-01 CONYERS CREEK STANDPIPE 0.030 0.020 0.032 0.027
 
1Q2020 Mar 18, 2020 2DBP-01 CONYERS CREEK STANDPIPE 0.031 0.028 0.033 0.030
 
4Q2019 Dec 10, 2019 2DBP-01 CONYERS CREEK STANDPIPE 0.031 0.030 0.033 0.040
 
3Q2019 Sep 25, 2019 2DBP-01 CONYERS CREEK STANDPIPE 0.035 0.042 0.030 0.034
 
2Q2019 Jun 12, 2019 2DBP-01 CONYERS CREEK STANDPIPE 0.022 0.023 0.023 0.025
 
1Q2019 Mar 27, 2019 2DBP-01 CONYERS CREEK STANDPIPE 0.017 0.017 0.016 0.016
 
3Q2014 Sep 10, 2014 2DBP-01 CONYERS CREEK STANDPIPE 0.017 0.019 0.024 0.023
 
2Q2014 Jun 11, 2014 2DBP-01 CONYERS CREEK STANDPIPE 0.012 0.017 0.018 0.024
 
1Q2014 Mar 12, 2014 2DBP-01 CONYERS CREEK STANDPIPE 0.007 0.013
 
4Q2013 Dec 30, 2013 2DBP-01 CONYERS CREEK STANDPIPE 0.003 0.007
 



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System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3941