OHA Drinking Water Services
OR41
PWS ID: 00802 ---- ARCH CAPE WATER DISTRICT
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
2Q2025 Jun 04, 2025 2DBP-02 32065 E SHINGLE MILL LANE 0.027 0.029 0.014 0.015
1Q2025 Feb 05, 2025 2DBP-02 32065 E SHINGLE MILL LANE 0.021 0.021 0.011 0.011



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