OHA Drinking Water Services
OR41
PWS ID: 00205 ---- COOS BAY NORTH BEND WTR BRD
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.

TTHM MCL = 0.080 mg/L,  HAA5 MCL = 0.060 mg/L.  MCL exceedances are indicated with red text.

Monitoring
Period		 Last
Sample		 Sample
Point		 Location TTHM
LRAA		 TTHM
OEL		 HAA5
LRAA		 HAA5
OEL
1Q2024 Feb 12, 2024 2DBP-01 NBCH 0.027 0.025 0.016 0.017
1Q2024 Feb 12, 2024 2DBP-02 SW BLVD & 11TH 0.027 0.025 0.017 0.018
1Q2024 Feb 12, 2024 2DBP-03 BAH 0.027 0.025 0.017 0.017
1Q2024 Feb 12, 2024 2DBP-04 SHUTTERS LANDING 0.025 0.023 0.014 0.014
4Q2023 Nov 15, 2023 2DBP-01 NBCH 0.027 0.031 0.017 0.016
4Q2023 Nov 15, 2023 2DBP-02 SW BLVD & 11TH 0.027 0.031 0.018 0.018
4Q2023 Nov 15, 2023 2DBP-03 BAH 0.027 0.030 0.018 0.018
4Q2023 Nov 15, 2023 2DBP-04 SHUTTERS LANDING 0.025 0.029 0.016 0.014
3Q2023 Aug 14, 2023 2DBP-01 NBCH 0.027 0.028 0.018 0.017
3Q2023 Aug 14, 2023 2DBP-02 SW BLVD & 11TH 0.027 0.027 0.019 0.018
3Q2023 Aug 14, 2023 2DBP-03 BAH 0.027 0.028 0.018 0.018
3Q2023 Aug 14, 2023 2DBP-04 SHUTTERS LANDING 0.024 0.025 0.016 0.016
2Q2023 May 10, 2023 2DBP-01 NBCH 0.027 0.024 0.020 0.017
2Q2023 May 09, 2023 2DBP-02 SW BLVD & 11TH 0.028 0.025 0.018 0.016
2Q2023 May 10, 2023 2DBP-03 BAH 0.028 0.025 0.017 0.016
2Q2023 May 10, 2023 2DBP-04 SHUTTERS LANDING 0.025 0.022 0.016 0.016
1Q2023 Feb 15, 2023 2DBP-01 NBCH 0.029 0.026 0.021 0.022
1Q2023 Feb 15, 2023 2DBP-02 SW BLVD & 11TH 0.029 0.026 0.018 0.021
1Q2023 Feb 15, 2023 2DBP-03 BAH 0.028 0.026 0.018 0.020
1Q2023 Feb 15, 2023 2DBP-04 SHUTTERS LANDING 0.027 0.024 0.017 0.018
4Q2022 Nov 08, 2022 2DBP-01 NBCH 0.029 0.032 0.018 0.022
4Q2022 Nov 09, 2022 2DBP-02 SW BLVD & 11TH 0.029 0.033 0.015 0.018
4Q2022 Nov 09, 2022 2DBP-03 BAH 0.029 0.032 0.015 0.017
4Q2022 Nov 08, 2022 2DBP-04 SHUTTERS LANDING 0.028 0.030 0.014 0.015
3Q2022 Aug 09, 2022 2DBP-01 NBCH 0.030 0.030 0.019 0.018
3Q2022 Aug 09, 2022 2DBP-02 SW BLVD & 11TH 0.031 0.030 0.014 0.014
3Q2022 Aug 09, 2022 2DBP-03 BAH 0.030 0.030 0.014 0.015
3Q2022 Aug 09, 2022 2DBP-04 SHUTTERS LANDING 0.029 0.030 0.016 0.014
2Q2022 May 24, 2022 2DBP-01 NBCH 0.030 0.028 0.019 0.017
2Q2022 May 24, 2022 2DBP-02 SW BLVD & 11TH 0.031 0.030 0.015 0.012
2Q2022 May 24, 2022 2DBP-03 BAH 0.031 0.029 0.015 0.013
2Q2022 May 24, 2022 2DBP-04 SHUTTERS LANDING 0.029 0.028 0.019 0.017
1Q2022 Feb 13, 2022 2DBP-01 NBCH 0.029 0.028 0.020 0.017
1Q2022 Feb 13, 2022 2DBP-02 SW BLVD & 11TH 0.030 0.029 0.016 0.014
1Q2022 Feb 13, 2022 2DBP-03 BAH 0.030 0.028 0.017 0.015
1Q2022 Feb 13, 2022 2DBP-04 SHUTTERS LANDING 0.027 0.026 0.020 0.018
4Q2021 Nov 07, 2021 2DBP-01 NBCH 0.029 0.033 0.020 0.024
4Q2021 Nov 07, 2021 2DBP-02 SW BLVD & 11TH 0.030 0.035 0.017 0.018
4Q2021 Nov 07, 2021 2DBP-03 BAH 0.030 0.035 0.017 0.019
4Q2021 Nov 07, 2021 2DBP-04 SHUTTERS LANDING 0.027 0.030 0.020 0.022
3Q2021 Aug 01, 2021 2DBP-01 NBCH 0.028 0.029 0.018 0.020
3Q2021 Aug 01, 2021 2DBP-02 SW BLVD & 11TH 0.028 0.029 0.016 0.018
3Q2021 Aug 01, 2021 2DBP-03 BAH 0.028 0.030 0.017 0.019
3Q2021 Aug 01, 2021 2DBP-04 SHUTTERS LANDING 0.027 0.027 0.018 0.021
2Q2021 May 12, 2021 2DBP-01 NBCH 0.027 0.025 0.015 0.016
2Q2021 May 12, 2021 2DBP-02 SW BLVD & 11TH 0.028 0.025 0.014 0.016
2Q2021 May 12, 2021 2DBP-03 BAH 0.027 0.025 0.015 0.017
2Q2021 May 12, 2021 2DBP-04 SHUTTERS LANDING 0.027 0.025 0.016 0.016
1Q2021 Feb 10, 2021 2DBP-01 NBCH 0.026 0.026 0.012 0.013
1Q2021 Feb 10, 2021 2DBP-02 SW BLVD & 11TH 0.026 0.026 0.012 0.012
1Q2021 Feb 10, 2021 2DBP-03 BAH 0.025 0.025 0.012 0.013
1Q2021 Feb 10, 2021 2DBP-04 SHUTTERS LANDING 0.026 0.026 0.014 0.015
4Q2020 Nov 19, 2020 2DBP-01 NBCH 0.026 0.030 0.011 0.013
4Q2020 Nov 19, 2020 2DBP-02 SW BLVD & 11TH 0.026 0.030 0.011 0.012
4Q2020 Nov 19, 2020 2DBP-03 BAH 0.025 0.028 0.012 0.014
4Q2020 Nov 19, 2020 2DBP-04 SHUTTERS LANDING 0.026 0.030 0.013 0.014
3Q2020 Aug 20, 2020 2DBP-01 NBCH 0.026 0.026 0.011 0.011
3Q2020 Aug 20, 2020 2DBP-02 SW BLVD & 11TH 0.026 0.026 0.011 0.011
3Q2020 Aug 19, 2020 2DBP-03 BAH 0.025 0.025 0.011 0.011
3Q2020 Aug 19, 2020 2DBP-04 SHUTTERS LANDING 0.026 0.026 0.013 0.013
2Q2020 May 19, 2020 2DBP-01 NBCH 0.032 0.023 0.012 0.010
2Q2020 May 19, 2020 2DBP-02 SW BLVD & 11TH 0.032 0.023 0.012 0.009
2Q2020 May 19, 2020 2DBP-03 BAH 0.031 0.022 0.012 0.009
2Q2020 May 19, 2020 2DBP-04 SHUTTERS LANDING 0.031 0.022 0.014 0.011
1Q2020 Feb 11, 2020 2DBP-01 NBCH 0.033 0.031 0.011 0.012
1Q2020 Feb 11, 2020 2DBP-02 SW BLVD & 11TH 0.033 0.031 0.012 0.012
1Q2020 Feb 11, 2020 2DBP-03 BAH 0.032 0.030 0.011 0.012
1Q2020 Feb 11, 2020 2DBP-04 SHUTTERS LANDING 0.032 0.030 0.014 0.014
4Q2019 Nov 12, 2019 2DBP-01 NBCH 0.034 0.037 0.010 0.012
4Q2019 Nov 12, 2019 2DBP-02 SW BLVD & 11TH 0.035 0.037 0.011 0.013
4Q2019 Nov 12, 2019 2DBP-03 BAH 0.034 0.037 0.010 0.012
4Q2019 Nov 12, 2019 2DBP-04 SHUTTERS LANDING 0.033 0.036 0.012 0.015
3Q2019 Aug 22, 2019 2DBP-01 NBCH 0.033 0.039 0.010 0.012
3Q2019 Aug 22, 2019 2DBP-02 SW BLVD & 11TH 0.034 0.040 0.011 0.012
3Q2019 Aug 22, 2019 2DBP-03 BAH 0.033 0.039 0.010 0.012
3Q2019 Aug 22, 2019 2DBP-04 SHUTTERS LANDING 0.032 0.038 0.012 0.013
2Q2019 May 20, 2019 2DBP-01 NBCH 0.027 0.025 0.010 0.007
2Q2019 May 20, 2019 2DBP-02 SW BLVD & 11TH 0.029 0.026 0.010 0.008
2Q2019 May 20, 2019 2DBP-03 BAH 0.028 0.026 0.009 0.006
2Q2019 May 20, 2019 2DBP-04 SHUTTERS LANDING 0.026 0.025 0.012 0.009
1Q2019 Feb 13, 2019 2DBP-01 NBCH 0.027 0.026 0.011 0.010
1Q2019 Feb 13, 2019 2DBP-02 SW BLVD & 11TH 0.029 0.029 0.011 0.009
1Q2019 Feb 13, 2019 2DBP-03 BAH 0.029 0.028 0.010 0.009
1Q2019 Feb 13, 2019 2DBP-04 SHUTTERS LANDING 0.026 0.026 0.012 0.011
4Q2018 Nov 08, 2018 2DBP-01 NBCH 0.027 0.030 0.013 0.014
4Q2018 Nov 08, 2018 2DBP-02 SW BLVD & 11TH 0.028 0.031 0.013 0.013
4Q2018 Nov 08, 2018 2DBP-03 BAH 0.028 0.031 0.012 0.013
4Q2018 Nov 08, 2018 2DBP-04 SHUTTERS LANDING 0.025 0.027 0.013 0.014
3Q2018 Aug 13, 2018 2DBP-01 NBCH 0.026 0.026 0.013 0.014
3Q2018 Aug 13, 2018 2DBP-02 SW BLVD & 11TH 0.026 0.028 0.014 0.014
3Q2018 Aug 13, 2018 2DBP-03 BAH 0.027 0.029 0.012 0.013
3Q2018 Aug 13, 2018 2DBP-04 SHUTTERS LANDING 0.024 0.025 0.013 0.014
2Q2018 May 03, 2018 2DBP-01 NBCH 0.026 0.025 0.013 0.011
2Q2018 May 03, 2018 2DBP-02 SW BLVD & 11TH 0.025 0.023 0.013 0.012
2Q2018 May 03, 2018 2DBP-03 BAH 0.026 0.025 0.012 0.011
2Q2018 May 03, 2018 2DBP-04 SHUTTERS LANDING 0.024 0.023 0.013 0.011
1Q2018 Mar 06, 2018 2DBP-01 NBCH 0.025 0.024 0.012 0.013
1Q2018 Mar 06, 2018 2DBP-02 SW BLVD & 11TH 0.025 0.024 0.013 0.014
1Q2018 Mar 06, 2018 2DBP-03 BAH 0.024 0.023 0.012 0.012
1Q2018 Mar 06, 2018 2DBP-04 SHUTTERS LANDING 0.025 0.024 0.014 0.014
4Q2017 Nov 18, 2017 2DBP-01 NBCH 0.024 0.027 0.012 0.013
4Q2017 Nov 29, 2017 2DBP-02 SW BLVD & 11TH 0.025 0.027 0.012 0.013
4Q2017 Nov 18, 2017 2DBP-03 BAH 0.023 0.026 0.012 0.013
4Q2017 Nov 18, 2017 2DBP-04 SHUTTERS LANDING 0.024 0.026 0.014 0.016
3Q2017 Aug 28, 2017 2DBP-01 NBCH 0.026 0.026 0.012 0.012
3Q2017 Aug 28, 2017 2DBP-02 SW BLVD & 11TH 0.027 0.027 0.012 0.012
3Q2017 Aug 29, 2017 2DBP-03 BAH 0.025 0.025 0.012 0.012
3Q2017 Aug 28, 2017 2DBP-04 SHUTTERS LANDING 0.026 0.025 0.015 0.014
2Q2017 May 22, 2017 2DBP-01 NBCH 0.030 0.023 0.014 0.010
2Q2017 May 22, 2017 2DBP-02 SW BLVD & 11TH 0.031 0.024 0.014 0.011
2Q2017 May 22, 2017 2DBP-03 BAH 0.030 0.023 0.014 0.011
2Q2017 May 22, 2017 2DBP-04 SHUTTERS LANDING 0.030 0.025 0.018 0.013
1Q2017 Mar 02, 2017 2DBP-01 NBCH 0.031 0.029 0.014 0.013
1Q2017 Mar 02, 2017 2DBP-02 SW BLVD & 11TH 0.031 0.030 0.015 0.014
1Q2017 Mar 02, 2017 2DBP-03 BAH 0.030 0.028 0.015 0.014
1Q2017 Mar 02, 2017 2DBP-04 SHUTTERS LANDING 0.030 0.028 0.018 0.017
4Q2016 Nov 18, 2016 2DBP-01 NBCH 0.031 0.035 0.014 0.016
4Q2016 Nov 18, 2016 2DBP-02 SW BLVD & 11TH 0.032 0.035 0.014 0.017
4Q2016 Nov 15, 2016 2DBP-03 BAH 0.031 0.034 0.014 0.017
4Q2016 Nov 15, 2016 2DBP-04 SHUTTERS LANDING 0.030 0.034 0.017 0.021
3Q2016 Aug 11, 2016 2DBP-01 NBCH 0.035 0.035 0.015 0.015
3Q2016 Aug 11, 2016 2DBP-02 SW BLVD & 11TH 0.035 0.036 0.014 0.016
3Q2016 Aug 11, 2016 2DBP-03 BAH 0.034 0.035 0.014 0.016
3Q2016 Aug 11, 2016 2DBP-04 SHUTTERS LANDING 0.033 0.032 0.017 0.020
2Q2016 May 11, 2016 2DBP-01 NBCH 0.035 0.028 0.015 0.012
2Q2016 May 11, 2016 2DBP-02 SW BLVD & 11TH 0.036 0.029 0.014 0.011
2Q2016 May 11, 2016 2DBP-03 BAH 0.036 0.028 0.014 0.011
2Q2016 May 11, 2016 2DBP-04 SHUTTERS LANDING 0.034 0.027 0.016 0.013
1Q2016 Feb 22, 2016 2DBP-01 NBCH 0.037 0.034 0.015 0.014
1Q2016 Feb 22, 2016 2DBP-02 SW BLVD & 11TH 0.038 0.035 0.014 0.012
1Q2016 Feb 22, 2016 2DBP-03 BAH 0.037 0.035 0.014 0.013
1Q2016 Feb 22, 2016 2DBP-04 SHUTTERS LANDING 0.037 0.033 0.016 0.014
4Q2015 Nov 30, 2015 2DBP-01 NBCH 0.037 0.044 0.016 0.018
4Q2015 Nov 30, 2015 2DBP-02 SW BLVD & 11TH 0.037 0.044 0.014 0.017
4Q2015 Nov 30, 2015 2DBP-03 BAH 0.037 0.044 0.015 0.018
4Q2015 Nov 30, 2015 2DBP-04 SHUTTERS LANDING 0.037 0.043 0.016 0.019
3Q2015 Aug 25, 2015 2DBP-01 NBCH 0.035 0.038 0.015 0.017
3Q2015 Aug 25, 2015 2DBP-02 SW BLVD & 11TH 0.036 0.039 0.012 0.015
3Q2015 Aug 25, 2015 2DBP-03 BAH 0.036 0.039 0.013 0.016
3Q2015 Aug 25, 2015 2DBP-04 SHUTTERS LANDING 0.036 0.038 0.015 0.017
2Q2015 May 29, 2015 2DBP-01 NBCH 0.029 0.030 0.012 0.012
2Q2015 May 29, 2015 2DBP-02 SW BLVD & 11TH 0.033 0.030 0.011 0.010
2Q2015 May 29, 2015 2DBP-03 BAH 0.033 0.030 0.010 0.010
2Q2015 May 29, 2015 2DBP-04 SHUTTERS LANDING 0.034 0.032 0.014 0.012
1Q2015 Feb 24, 2015 2DBP-01 NBCH 0.028 0.025 0.015 0.012
1Q2015 Feb 24, 2015 2DBP-02 SW BLVD & 11TH 0.032 0.029 0.012 0.009
1Q2015 Feb 24, 2015 2DBP-03 BAH 0.032 0.029 0.012 0.009
1Q2015 Feb 24, 2015 2DBP-04 SHUTTERS LANDING 0.032 0.030 0.016 0.013
4Q2014 Nov 19, 2014 2DBP-01 NBCH 0.029 0.033 0.015 0.016
4Q2014 Nov 19, 2014 2DBP-02 SW BLVD & 11TH 0.035 0.038 0.014 0.014
4Q2014 Nov 19, 2014 2DBP-03 BAH 0.034 0.038 0.013 0.013
4Q2014 Nov 19, 2014 2DBP-04 SHUTTERS LANDING 0.036 0.038 0.018 0.019
3Q2014 Aug 19, 2014 2DBP-01 NBCH 0.028 0.026 0.015 0.015
3Q2014 Aug 25, 2014 2DBP-02 SW BLVD & 11TH 0.033 0.035 0.014 0.015
3Q2014 Aug 25, 2014 2DBP-03 BAH 0.032 0.035 0.012 0.014
3Q2014 Aug 19, 2014 2DBP-04 SHUTTERS LANDING 0.033 0.035 0.017 0.019
2Q2014 May 15, 2014 2DBP-01 NBCH 0.021 0.028 0.011 0.016
2Q2014 May 15, 2014 2DBP-02 SW BLVD & 11TH 0.022 0.030 0.010 0.015
2Q2014 May 15, 2014 2DBP-03 BAH 0.022 0.029 0.009 0.013
2Q2014 May 15, 2014 2DBP-04 SHUTTERS LANDING 0.023 0.030 0.011 0.016
1Q2014 Feb 24, 2014 2DBP-01 NBCH 0.015 0.006
1Q2014 Feb 24, 2014 2DBP-02 SW BLVD & 11TH 0.015 0.006
1Q2014 Feb 24, 2014 2DBP-03 BAH 0.014 0.005
1Q2014 Feb 24, 2014 2DBP-04 SHUTTERS LANDING 0.016 0.007
4Q2013 Nov 05, 2013 2DBP-01 NBCH 0.008 0.003
4Q2013 Nov 05, 2013 2DBP-02 SW BLVD & 11TH 0.008 0.003
4Q2013 Nov 05, 2013 2DBP-03 BAH 0.008 0.001
4Q2013 Nov 05, 2013 2DBP-04 SHUTTERS LANDING 0.008 0.003



More information for this water system: SDWIS ID 3881
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
Corrosion Control has moved to the Lead & Copper 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
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login