OHA Drinking Water Services
OR41
PWS ID: 00799 ---- SEASIDE WATER DEPARTMENT
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
4Q2014 2DBP-01 2315 ROYAL VIEW DR 0.026 0.013
4Q2014 2DBP-02 SITE #8 111 AVENUE U (HIGH HAA5 SITE) 0.026 0.011
3Q2014 Aug 12, 2014 2DBP-01 2315 ROYAL VIEW DR 0.030 0.027 0.012 0.015
3Q2014 Aug 12, 2014 2DBP-02 SITE #8 111 AVENUE U (HIGH HAA5 SITE) 0.028 0.028 0.011 0.012
2Q2014 Apr 15, 2014 2DBP-01 2315 ROYAL VIEW DR 0.023 0.029 0.007 0.009
2Q2014 Apr 15, 2014 2DBP-02 SITE #8 111 AVENUE U (HIGH HAA5 SITE) 0.020 0.026 0.007 0.010
1Q2014 Jan 08, 2014 2DBP-01 2315 ROYAL VIEW DR 0.017 0.004
1Q2014 Jan 08, 2014 2DBP-02 SITE #8 111 AVENUE U (HIGH HAA5 SITE) 0.014 0.005
4Q2013 Oct 09, 2013 2DBP-01 2315 ROYAL VIEW DR 0.011 0.002
4Q2013 Oct 09, 2013 2DBP-02 SITE #8 111 AVENUE U (HIGH HAA5 SITE) 0.009 0.003