OHA Drinking Water Services
OR41
PWS ID: 00537 ---- MONMOUTH, CITY OF
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
4Q2025 Nov 18, 2025 2DBP-01 846 N MONMOUTH AVE 0.011 0.009 0 0
4Q2025 Nov 18, 2025 2DBP-02 1376 RIDGEVIEW ST 0.006 0.006 0 0
3Q2025 Aug 13, 2025 2DBP-01 846 N MONMOUTH AVE 0.012 0.012 0 0
3Q2025 Aug 13, 2025 2DBP-02 1376 RIDGEVIEW ST 0.007 0.006 0 0
2Q2025 May 14, 2025 2DBP-01 846 N MONMOUTH AVE 0.011 0.013 0 0
2Q2025 Jun 17, 2025 2DBP-02 1376 RIDGEVIEW ST 0.007 0.007 0 0
1Q2025 Feb 11, 2025 2DBP-01 846 N MONMOUTH AVE 0.008 0.011 0 0
1Q2025 Feb 11, 2025 2DBP-02 1376 RIDGEVIEW ST 0.007 0.007 0 0
4Q2024 Nov 19, 2024 2DBP-01 846 N MONMOUTH AVE 0.006 0.007 0 0
4Q2024 Nov 19, 2024 2DBP-02 1376 RIDGEVIEW ST 0.006 0.007 0 0
3Q2024 Aug 13, 2024 2DBP-01 846 N MONMOUTH AVE 0.008 0.006 0 0
3Q2024 Aug 13, 2024 2DBP-02 1376 RIDGEVIEW ST 0.006 0.005 0 0
2Q2024 May 07, 2024 2DBP-01 846 N MONMOUTH AVE 0.008 0.007 0 0
2Q2024 May 07, 2024 2DBP-02 1376 RIDGEVIEW ST 0.006 0.006 0 0
1Q2024 Feb 13, 2024 2DBP-01 846 N MONMOUTH AVE 0.011 0.008 0 0
1Q2024 Feb 13, 2024 2DBP-02 1376 RIDGEVIEW ST 0.006 0.006 0 0
4Q2023 Nov 07, 2023 2DBP-01 846 N MONMOUTH AVE 0.013 0.013 0 0
4Q2023 Nov 07, 2023 2DBP-02 1376 RIDGEVIEW ST 0.006 0.006 0 0
3Q2023 Aug 01, 2023 2DBP-01 846 N MONMOUTH AVE 0.012 0.012 0 0
3Q2023 Aug 01, 2023 2DBP-02 1376 RIDGEVIEW ST 0.005 0.005 0 0
2Q2023 May 16, 2023 2DBP-01 846 N MONMOUTH AVE 0.015 0.015 0 0
2Q2023 May 16, 2023 2DBP-02 1376 RIDGEVIEW ST 0.006 0.006 0 0
1Q2023 2DBP-01 846 N MONMOUTH AVE
1Q2023 2DBP-02 1376 RIDGEVIEW ST