OHA Drinking Water Services
OR41
PWS ID: 00630 ---- ALDER CREEK BARLOW WATER DIST
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
4Q2023 Dec 11, 2023 2DBP-01 52650 E SYLVAN DR (TTHM) 0.038 0.029 0.032 0.024
4Q2023 Dec 11, 2023 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.036 0.028 0.043 0.031
3Q2023 Sep 28, 2023 2DBP-01 52650 E SYLVAN DR (TTHM) 0.065 0.065 0.056 0.056
3Q2023 Sep 28, 2023 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.061 0.061 0.077 0.077
2Q2023 2DBP-01 52650 E SYLVAN DR (TTHM)
2Q2023 2DBP-02 19815 E SUMMERTIME D (HAA5)
1Q2023 2DBP-01 52650 E SYLVAN DR (TTHM)
1Q2023 2DBP-02 19815 E SUMMERTIME D (HAA5)
4Q2022 2DBP-01 52650 E SYLVAN DR (TTHM)
4Q2022 2DBP-02 19815 E SUMMERTIME D (HAA5)
3Q2022 2DBP-01 52650 E SYLVAN DR (TTHM) 0.012 0.013
3Q2022 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.018 0.029
2Q2022 2DBP-01 52650 E SYLVAN DR (TTHM) 0.012 0.013
2Q2022 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.018 0.029
1Q2022 2DBP-01 52650 E SYLVAN DR (TTHM) 0.017 0.013
1Q2022 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.018 0.020
4Q2021 Dec 14, 2021 2DBP-01 52650 E SYLVAN DR (TTHM) 0.017 0.015 0.013 0.013
4Q2021 Dec 14, 2021 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.018 0.018 0.020 0.023
3Q2021 2DBP-01 52650 E SYLVAN DR (TTHM) 0.022
3Q2021 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.011
2Q2021 Jun 28, 2021 2DBP-01 52650 E SYLVAN DR (TTHM) 0.022 0.022
2Q2021 Jun 28, 2021 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.011 0.011
1Q2021 2DBP-01 52650 E SYLVAN DR (TTHM)
1Q2021 2DBP-02 19815 E SUMMERTIME D (HAA5)
4Q2020 2DBP-01 52650 E SYLVAN DR (TTHM) 0.046 0.051
4Q2020 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.014 0.014
3Q2020 2DBP-01 52650 E SYLVAN DR (TTHM) 0.046 0.051
3Q2020 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.014 0.014
2Q2020 2DBP-01 52650 E SYLVAN DR (TTHM) 0.046 0.051
2Q2020 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.014 0.014
1Q2020 Mar 31, 2020 2DBP-01 52650 E SYLVAN DR (TTHM) 0.046 0.046 0.051 0.051
1Q2020 Mar 31, 2020 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.014 0.014 0.014 0.014




More information for this water system: SDWIS ID 4052
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  ::  Corrosion Control (LCR)  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA
Something missing? The new Chemical Results page replaces many pages, including arsenic and nitrate.

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
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride

Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules

Need help? Email Drinking Water Services for assistance.Staff/Partner Login