OHA Drinking Water Services
OR41
PWS ID: 94946 ---- GUIDE DOGS FOR THE BLIND INC
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 26, 2024 2DBP-01 STUDENT BREAKROOM 0.049 0.047 0.007 0.008
4Q2023 Dec 01, 2023 2DBP-01 STUDENT BREAKROOM 0.052 0.050 0.007 0.007
3Q2023 Aug 09, 2023 2DBP-01 STUDENT BREAKROOM 0.049 0.050 0.007 0.006
2Q2023 Jun 14, 2023 2DBP-01 STUDENT BREAKROOM 0.050 0.051 0.007 0.007
1Q2023 Feb 10, 2023 2DBP-01 STUDENT BREAKROOM 0.049 0.051 0.007 0.007
4Q2022 Oct 26, 2022 2DBP-01 STUDENT BREAKROOM 0.041 0.041 0.007 0.007




More information for this water system: SDWIS ID 2988
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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.

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