OHA Drinking Water Services
OR41
PWS ID: 01547 ---- CHARLOTTE ANN WATER DISTRICT ---- INACTIVE
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
1Q2022 Jan 04, 2022 2DBP-01 CHARLOTTE ANN PUMP STATION 0.001 0
4Q2021 Oct 08, 2021 2DBP-01 CHARLOTTE ANN PUMP STATION 0.001 0
3Q2021 Aug 06, 2021 2DBP-01 CHARLOTTE ANN PUMP STATION 0 0
2Q2021 Jun 24, 2021 2DBP-01 CHARLOTTE ANN PUMP STATION 0 0
2Q2022 Apr 13, 2022 2DBP-02 SOUTH OF DEBS DINER AIRVALVE 0.001 0
1Q2022 Jan 04, 2022 2DBP-02 SOUTH OF DEBS DINER AIRVALVE 0.001 0
4Q2021 Oct 08, 2021 2DBP-02 SOUTH OF DEBS DINER AIRVALVE 0.001 0
3Q2021 Aug 06, 2021 2DBP-02 SOUTH OF DEBS DINER AIRVALVE 0.002 0
2Q2021 Jun 24, 2021 2DBP-02 SOUTH OF DEBS DINER AIRVALVE 0.002 0



More information for this water system: SDWIS ID 5564
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