OHA Drinking Water Services
OR41
PWS ID: 01528 ---- SEA CREST
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 21, 2024 2DBP-01 CLUB HOUSE 0.062 0.063 0.014 0.016
1Q2024 Feb 21, 2024 2DBP-03 192 SEACREST LANE 0.079 0.074 0.012
4Q2023 Oct 11, 2023 2DBP-01 CLUB HOUSE 0.063 0.067 0.017 0.016
4Q2023 Oct 11, 2023 2DBP-03 192 SEACREST LANE 0.088 0.088 0.011 0.012
3Q2023 Aug 02, 2023 2DBP-01 CLUB HOUSE 0.058 0.061 0.016 0.016
3Q2023 Aug 02, 2023 2DBP-03 192 SEACREST LANE 0.089 0.089 0.009 0.009
2Q2023 Jun 20, 2023 2DBP-01 CLUB HOUSE 0.055 0.054 0.017 0.014
2Q2023 2DBP-03 192 SEACREST LANE 0.009
1Q2023 Jan 17, 2023 2DBP-01 CLUB HOUSE 0.058 0.058 0.022 0.024
1Q2023 Feb 21, 2023 2DBP-03 192 SEACREST LANE 0.009 0.009
4Q2022 Dec 20, 2022 2DBP-01 CLUB HOUSE 0.057 0.057 0.017 0.017
4Q2020 Dec 09, 2020 2DBP-01 CLUB HOUSE 0.061 0.063 0.011
4Q2020 Dec 09, 2020 2DBP-03 192 SEACREST LANE 0.060 0.060 0.012
3Q2020 Sep 09, 2020 2DBP-01 CLUB HOUSE 0.064 0.009
2Q2020 2DBP-01 CLUB HOUSE 0.061 0.012
1Q2020 Feb 12, 2020 2DBP-01 CLUB HOUSE 0.061 0.012
4Q2019 Nov 27, 2019 2DBP-01 CLUB HOUSE 0.069 0.007
4Q2017 Oct 04, 2017 2DBP-01 CLUB HOUSE 0.051 0.010
3Q2017 Jul 12, 2017 2DBP-01 CLUB HOUSE 0.047 0.011
2Q2017 Jun 14, 2017 2DBP-01 CLUB HOUSE 0.046 0.014
1Q2017 Mar 01, 2017 2DBP-01 CLUB HOUSE 0.044 0.014



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