OHA Drinking Water Services
OR41
PWS ID: 00214 ---- GARDEN VALLEY WATER ASSOCIATION
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
4Q2020 Oct 05, 2020 2DBP-01 58475 LITTLE CREEK 0.019 0.022 0.015 0.018
3Q2020 Jul 14, 2020 2DBP-01 58475 LITTLE CREEK 0.025 0.019 0.027 0.015
2Q2020 Apr 14, 2020 2DBP-01 58475 LITTLE CREEK 0.024 0.020 0.028 0.023
1Q2020 Jan 14, 2020 2DBP-01 58475 LITTLE CREEK 0.033 0.026 0.039 0.030
4Q2019 Oct 08, 2019 2DBP-01 58475 LITTLE CREEK 0.052 0.052 0.067 0.067
4Q2016 Oct 12, 2016 2DBP-01 58475 LITTLE CREEK 0.056 0.070 0.046 0.053
3Q2016 Aug 03, 2016 2DBP-01 58475 LITTLE CREEK 0.044 0.047 0.041 0.041
2Q2016 Jun 13, 2016 2DBP-01 58475 LITTLE CREEK 0.040 0.043 0.041 0.042
1Q2016 Mar 08, 2016 2DBP-01 58475 LITTLE CREEK 0.031 0.031 0.039 0.039