OHA Drinking Water Services

PWS ID: 00236 ---- COTTAGE GROVE, 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
1Q2022 Feb 07, 2022 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.035 0.033 0.013 0.013
1Q2022 Feb 07, 2022 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.032 0.029 0.013 0.013
 
4Q2021 Nov 08, 2021 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.035 0.042 0.014 0.014
4Q2021 Nov 08, 2021 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.032 0.038 0.014 0.015
 
3Q2021 Aug 23, 2021 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.034 0.035 0.014 0.014
3Q2021 Aug 30, 2021 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.031 0.031 0.014 0.013
 
2Q2021 May 10, 2021 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.032 0.029 0.013 0.013
2Q2021 May 10, 2021 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.029 0.027 0.013 0.012
 
1Q2021 Feb 08, 2021 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.030 0.029 0.014 0.015
1Q2021 Feb 08, 2021 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.027 0.027 0.014 0.015
 
4Q2020 Nov 16, 2020 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.029 0.036 0.012 0.014
4Q2020 Nov 16, 2020 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.027 0.033 0.013 0.015
 
3Q2020 Aug 10, 2020 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.027 0.028 0.013 0.011
3Q2020 Aug 10, 2020 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.024 0.025 0.013 0.012
 
2Q2020 May 11, 2020 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.024 0.023 0.013 0.012
2Q2020 May 11, 2020 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.022 0.021 0.013 0.012
 
1Q2020 Feb 17, 2020 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.025 0.023 0.013 0.012
1Q2020 Feb 17, 2020 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.022 0.020 0.013 0.012
 
4Q2019 Nov 11, 2019 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.025 0.029 0.015 0.016
4Q2019 Nov 11, 2019 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.023 0.027 0.015 0.015
 
3Q2019 Aug 12, 2019 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.022 0.024 0.014 0.014
3Q2019 Aug 12, 2019 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.020 0.021 0.015 0.015
 
2Q2019 May 13, 2019 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.020 0.020 0.013 0.012
2Q2019 May 13, 2019 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.017 0.018 0.014 0.013
 
1Q2019 Feb 11, 2019 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.018 0.018 0.016 0.016
1Q2019 Feb 11, 2019 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.015 0.015 0.018 0.018
 
3Q2014 Aug 04, 2014 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.025 0.020 0.016 0.013
3Q2014 Aug 04, 2014 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.023 0.019 0.015 0.013
 
2Q2014 May 05, 2014 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.020 0.024 0.012 0.015
2Q2014 May 05, 2014 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.018 0.022 0.012 0.014
 
1Q2014 Feb 03, 2014 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.015 0.009
1Q2014 Feb 03, 2014 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.014 0.009
 
4Q2013 Nov 04, 2013 2DBP-01 SUNFLOWER COURT SAMPLE STATION 0.011 0.006
4Q2013 Nov 04, 2013 2DBP-02 ROW RIVER ROAD SAMPLE STATION 0.010 0.006
 



For further information on this public water system, click on the area of interest below:
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 :: Annual Fee
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 :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4293