OHA Drinking Water Services

PWS ID: 00062 ---- YOUNGS RIVER LEWIS & CLARK WD
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
1Q2021 Jan 25, 2021 2DBP-01 FORT CLATSOP (DBPMAX01) 0.055 0.042 0.057 0.043
1Q2021 Jan 25, 2021 2DBP-02 35456 WOODLAND LANE (ASPMO RES) 0.054 0.042 0.030 0.030
 
4Q2020 Oct 01, 2020 2DBP-01 FORT CLATSOP (DBPMAX01) 0.060 0.069 0.070 0.085
4Q2020 Oct 01, 2020 2DBP-02 35456 WOODLAND LANE (ASPMO RES) 0.065 0.068 0.047 0.045
 
3Q2020 Jul 30, 2020 2DBP-01 FORT CLATSOP (DBPMAX01) 0.066 0.052 0.070 0.048
3Q2020 Jul 30, 2020 2DBP-02 35456 WOODLAND LANE (ASPMO RES) 0.061 0.065 0.037 0.040
 
2Q2020 Jun 15, 2020 2DBP-01 FORT CLATSOP (DBPMAX01) 0.076 0.072 0.076 0.078
2Q2020 Jun 15, 2020 2DBP-02 35456 WOODLAND LANE (ASPMO RES) 0.058 0.059 0.040 0.037
 
1Q2020 Mar 23, 2020 2DBP-01 FORT CLATSOP (DBPMAX01) 0.078 0.069 0.076 0.074
1Q2020 Feb 11, 2020 2DBP-02 35456 WOODLAND LANE (ASPMO RES) 0.055 0.056 0.045 0.054
 
4Q2019 Oct 14, 2019 2DBP-01 FORT CLATSOP (DBPMAX01) 0.079 0.094 0.069 0.091
4Q2019 Oct 14, 2019 2DBP-02 35456 WOODLAND LANE (ASPMO RES) 0.053 0.053 0.021 0.021
 
3Q2019 Jul 25, 2019 2DBP-01 FORT CLATSOP (DBPMAX01) 0.074 0.075 0.058 0.054
 
2Q2019 Jun 17, 2019 2DBP-01 FORT CLATSOP (DBPMAX01) 0.061 0.073 0.048 0.061
 
1Q2019 Mar 13, 2019 2DBP-01 FORT CLATSOP (DBPMAX01) 0.050 0.052 0.035 0.039
 
4Q2018 Oct 15, 2018 2DBP-01 FORT CLATSOP (DBPMAX01) 0.054 0.059 0.039 0.046
 
3Q2018 Jul 06, 2018 2DBP-01 FORT CLATSOP (DBPMAX01) 0.040 0.041 0.024 0.024
 
2Q2018 May 10, 2018 2DBP-01 FORT CLATSOP (DBPMAX01) 0.041 0.042 0.025 0.024
 
1Q2018 Jan 18, 2018 2DBP-01 FORT CLATSOP (DBPMAX01) 0.042 0.048 0.027 0.033
 
4Q2017 Dec 14, 2017 2DBP-01 FORT CLATSOP (DBPMAX01) 0.034 0.033 0.020 0.019
 
3Q2017 Jul 25, 2017 2DBP-01 FORT CLATSOP (DBPMAX01) 0.037 0.036 0.014 0.020
 
2Q2017 Jun 19, 2017 2DBP-01 FORT CLATSOP (DBPMAX01) 0.045 0.038 0.021 0.015
 
1Q2017 2DBP-01 FORT CLATSOP (DBPMAX01) 0.047 0.022
 
4Q2016 Dec 27, 2016 2DBP-01 FORT CLATSOP (DBPMAX01) 0.045 0.045 0.024 0.022
 
3Q2016 Aug 03, 2016 2DBP-01 FORT CLATSOP (DBPMAX01) 0.046 0.050 0.030 0.034
 
2Q2016 Apr 19, 2016 2DBP-01 FORT CLATSOP (DBPMAX01) 0.050 0.042 0.030 0.028
 
1Q2016 Mar 17, 2016 2DBP-01 FORT CLATSOP (DBPMAX01) 0.053 0.050 0.031 0.030
 
4Q2015 Dec 29, 2015 2DBP-01 FORT CLATSOP (DBPMAX01) 0.052 0.053 0.030 0.030
 
3Q2015 Sep 08, 2015 2DBP-01 FORT CLATSOP (DBPMAX01) 0.061 0.061 0.038 0.033
 
2Q2015 May 11, 2015 2DBP-01 FORT CLATSOP (DBPMAX01) 0.063 0.055 0.044 0.037
 
1Q2015 Jan 15, 2015 2DBP-01 FORT CLATSOP (DBPMAX01) 0.061 0.060 0.045 0.042
 
4Q2014 Nov 12, 2014 2DBP-01 FORT CLATSOP (DBPMAX01) 0.070 0.070 0.054 0.053
 
3Q2014 Jul 23, 2014 2DBP-01 FORT CLATSOP (DBPMAX01) 0.059 0.071 0.045 0.055
 
2Q2014 Apr 24, 2014 2DBP-01 FORT CLATSOP (DBPMAX01) 0.039 0.050 0.029 0.039
 
1Q2014 Feb 24, 2014 2DBP-01 FORT CLATSOP (DBPMAX01) 0.028 0.020
 
4Q2013 Oct 29, 2013 2DBP-01 FORT CLATSOP (DBPMAX01) 0.008 0.005
 



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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 :: 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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3874