OHA Drinking Water Services

PWS ID: 00706 ---- RIDDLE, 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
2Q2023 Apr 12, 2023 2DBP-01 SM-1 - 916 PRUNER ROAD 0.042 0.039
1Q2023 Jan 11, 2023 2DBP-01 SM-1 - 916 PRUNER ROAD 0.045 0.045
4Q2022 Oct 19, 2022 2DBP-01 SM-1 - 916 PRUNER ROAD 0.043 0.052
3Q2022 Jul 13, 2022 2DBP-01 SM-1 - 916 PRUNER ROAD 0.040 0.037
2Q2022 Apr 13, 2022 2DBP-01 SM-1 - 916 PRUNER ROAD 0.047 0.040
1Q2022 Jan 12, 2022 2DBP-01 SM-1 - 916 PRUNER ROAD 0.047 0.044
4Q2021 Oct 13, 2021 2DBP-01 SM-1 - 916 PRUNER ROAD 0.051 0.052
3Q2021 Jul 14, 2021 2DBP-01 SM-1 - 916 PRUNER ROAD 0.052 0.055
2Q2021 Apr 14, 2021 2DBP-01 SM-1 - 916 PRUNER ROAD 0.049 0.045
1Q2021 Jan 13, 2021 2DBP-01 SM-1 - 916 PRUNER ROAD 0.049 0.051
4Q2020 Oct 14, 2020 2DBP-01 SM-1 - 916 PRUNER ROAD 0.051 0.051
3Q2020 Jul 08, 2020 2DBP-01 SM-1 - 916 PRUNER ROAD 0.049 0.051
2Q2020 Apr 08, 2020 2DBP-01 SM-1 - 916 PRUNER ROAD 0.048 0.046
1Q2020 Jan 08, 2020 2DBP-01 SM-1 - 916 PRUNER ROAD 0.046 0.051
4Q2019 Oct 17, 2019 2DBP-01 SM-1 - 916 PRUNER ROAD 0.047 0.044
3Q2019 Jul 10, 2019 2DBP-01 SM-1 - 916 PRUNER ROAD 0.050 0.047
2Q2019 Apr 10, 2019 2DBP-01 SM-1 - 916 PRUNER ROAD 0.054 0.045
1Q2019 Jan 09, 2019 2DBP-01 SM-1 - 916 PRUNER ROAD 0.054 0.061
4Q2018 Oct 10, 2018 2DBP-01 SM-1 - 916 PRUNER ROAD 0.049 0.054
3Q2018 Jul 11, 2018 2DBP-01 SM-1 - 916 PRUNER ROAD 0.047 0.051
2Q2018 Apr 11, 2018 2DBP-01 SM-1 - 916 PRUNER ROAD 0.041 0.037
1Q2018 Jan 10, 2018 2DBP-01 SM-1 - 916 PRUNER ROAD 0.041 0.044
4Q2017 Oct 11, 2017 2DBP-01 SM-1 - 916 PRUNER ROAD 0.039 0.045
3Q2017 Jul 13, 2017 2DBP-01 SM-1 - 916 PRUNER ROAD 0.041 0.037
2Q2017 Apr 12, 2017 2DBP-01 SM-1 - 916 PRUNER ROAD 0.041 0.037
1Q2017 Jan 25, 2017 2DBP-01 SM-1 - 916 PRUNER ROAD 0.043 0.042
4Q2016 Oct 12, 2016 2DBP-01 SM-1 - 916 PRUNER ROAD 0.043 0.050
3Q2016 Jul 13, 2016 2DBP-01 SM-1 - 916 PRUNER ROAD 0.036 0.040
2Q2016 Apr 20, 2016 2DBP-01 SM-1 - 916 PRUNER ROAD 0.043 0.033
1Q2016 Jan 14, 2016 2DBP-01 SM-1 - 916 PRUNER ROAD 0.043 0.041
4Q2015 Oct 14, 2015 2DBP-01 SM-1 - 916 PRUNER ROAD 0.045 0.044
3Q2015 Jul 10, 2015 2DBP-01 SM-1 - 916 PRUNER ROAD 0.052 0.056
2Q2015 Apr 08, 2015 2DBP-01 SM-1 - 916 PRUNER ROAD 0.045 0.043
1Q2015 Jan 08, 2015 2DBP-01 SM-1 - 916 PRUNER ROAD 0.044 0.045
4Q2014 Oct 15, 2014 2DBP-01 SM-1 - 916 PRUNER ROAD 0.042 0.049
3Q2014 Jul 09, 2014 2DBP-01 SM-1 - 916 PRUNER ROAD 0.038 0.038
2Q2014 Apr 10, 2014 2DBP-01 SM-1 - 916 PRUNER ROAD 0.027 0.035
1Q2014 Jan 08, 2014 2DBP-01 SM-1 - 916 PRUNER ROAD 0.019
4Q2013 Oct 10, 2013 2DBP-01 SM-1 - 916 PRUNER ROAD 0.011
2Q2023 Apr 12, 2023 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.031 0.029
1Q2023 Jan 11, 2023 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.033 0.033
4Q2022 Oct 19, 2022 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.034 0.025
3Q2022 Jul 13, 2022 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.034 0.043
2Q2022 Apr 13, 2022 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.026 0.034
1Q2022 Jan 12, 2022 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.022 0.027
4Q2021 Oct 13, 2021 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.015 0.012
3Q2021 Jul 14, 2021 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.020 0.016
2Q2021 Apr 14, 2021 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.022 0.023
1Q2021 Jan 13, 2021 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.025 0.020
4Q2020 Oct 14, 2020 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.028 0.029
3Q2020 Jul 08, 2020 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.021 0.027
2Q2020 Apr 08, 2020 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.023 0.025
1Q2020 Jan 08, 2020 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.025 0.021
4Q2019 Oct 17, 2019 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.026 0.024
3Q2019 Jul 10, 2019 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.028 0.033
2Q2019 Apr 10, 2019 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.026 0.031
1Q2019 Jan 09, 2019 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.024 0.024
4Q2018 Oct 10, 2018 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.023 0.017
3Q2018 Jul 11, 2018 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.029 0.027
2Q2018 Apr 11, 2018 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.029 0.031
1Q2018 Jan 10, 2018 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.028 0.029
4Q2017 Oct 11, 2017 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.029 0.029
3Q2017 Jul 13, 2017 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.033 0.027
2Q2017 Apr 12, 2017 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.029 0.035
1Q2017 Jan 25, 2017 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.030 0.031
4Q2016 Oct 21, 2016 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.021 0.033
3Q2016 Jul 13, 2016 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.015 0.011
2Q2016 Apr 20, 2016 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.020 0.021
1Q2016 Jan 14, 2016 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.026 0.018
4Q2015 Oct 14, 2015 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.028 0.033
3Q2015 Jul 10, 2015 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.027 0.028
2Q2015 Apr 08, 2015 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.023 0.033
1Q2015 Jan 08, 2015 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.012 0.012
4Q2014 Oct 15, 2014 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.016 0.016
3Q2014 Jul 09, 2014 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.021 0.014
2Q2014 Apr 10, 2014 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.017 0.019
1Q2014 Jan 08, 2014 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.016
4Q2013 Oct 31, 2013 2DBP-02 SM-2 - 855 SHOESTRING ROAD 0.010
 


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: 3988
Information by county:
Inventory :: Surface Water Systems :: Water System Surveys :: Outstanding Performers :: Plan Reviews :: System Scores :: Exceedances
Alerts :: Violations :: Compliance & Enforcement :: Significant Deficiencies :: Cross Connection ASRs :: Treatment Plant Inspections :: Fluoride
Water Advisories :: Contact Reports :: Cyanotoxins :: PFAS :: Post-wildfire VOCs :: Public Notices
Inventory List for all Oregon Drinking Water Systems in Excel or printable screen format
Lab Help: Tools for Laboratories :: Staff/Partner Login
Introduction :: Data Search Options :: Water System Search :: DWS Home