OHA Drinking Water Services

PWS ID: 00673 ---- PRAIRIE CITY
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.

Monitoring
Period
Last
Sample
Sample
Point
Location
 
TTHM LRAA
MCL = 0.080
TTHM
OEL
HAA5 LRAA
MCL = 0.060
HAA5
OEL
1Q2021 Mar 03, 2021 2DBP-01 SM #2 - 14 ST 0.033 0.020
1Q2021 Mar 03, 2021 2DBP-02 STAGE 1 #1 - PW OFFICE 0.023 0.014
 
4Q2020 Dec 02, 2020 2DBP-01 SM #2 - 14 ST 0.035 0.032
4Q2020 Dec 02, 2020 2DBP-02 STAGE 1 #1 - PW OFFICE 0.023 0.019
 
3Q2020 Sep 02, 2020 2DBP-01 SM #2 - 14 ST 0.038 0.038
3Q2020 Sep 02, 2020 2DBP-02 STAGE 1 #1 - PW OFFICE 0.026 0.026
 
2Q2020 Jun 03, 2020 2DBP-01 SM #2 - 14 ST 0.042 0.050
2Q2020 Jun 03, 2020 2DBP-02 STAGE 1 #1 - PW OFFICE 0.028 0.036
 
1Q2020 Mar 04, 2020 2DBP-01 SM #2 - 14 ST 0.043 0.031
1Q2020 Mar 04, 2020 2DBP-02 STAGE 1 #1 - PW OFFICE 0.023 0.019
 
4Q2019 Dec 09, 2019 2DBP-01 SM #2 - 14 ST 0.043 0.042
4Q2019 Dec 09, 2019 2DBP-02 STAGE 1 #1 - PW OFFICE 0.023 0.023
 
3Q2019 Sep 04, 2019 2DBP-01 SM #2 - 14 ST 0.045 0.046
3Q2019 Sep 04, 2019 2DBP-02 STAGE 1 #1 - PW OFFICE 0.029 0.024
 
2Q2019 Jun 05, 2019 2DBP-01 SM #2 - 14 ST 0.041 0.054
2Q2019 Jun 05, 2019 2DBP-02 STAGE 1 #1 - PW OFFICE 0.026 0.033
 
1Q2019 Mar 13, 2019 2DBP-01 SM #2 - 14 ST 0.038 0.030
1Q2019 Mar 13, 2019 2DBP-02 STAGE 1 #1 - PW OFFICE 0.030 0.020
 
4Q2018 Nov 07, 2018 2DBP-01 SM #2 - 14 ST 0.040 0.038
4Q2018 Nov 07, 2018 2DBP-02 STAGE 1 #1 - PW OFFICE 0.034 0.035
 
3Q2018 Sep 05, 2018 2DBP-01 SM #2 - 14 ST 0.032 0.036
3Q2018 Sep 05, 2018 2DBP-02 STAGE 1 #1 - PW OFFICE 0.025 0.025
 
2Q2018 Jun 06, 2018 2DBP-01 SM #2 - 14 ST 0.033 0.045
2Q2018 Jun 06, 2018 2DBP-02 STAGE 1 #1 - PW OFFICE 0.027 0.042
 
1Q2018 2DBP-01 SM #2 - 14 ST 0.029
1Q2018 2DBP-02 STAGE 1 #1 - PW OFFICE 0.022
 
4Q2017 Dec 13, 2017 2DBP-01 SM #2 - 14 ST 0.032 0.025
4Q2017 Dec 13, 2017 2DBP-02 STAGE 1 #1 - PW OFFICE 0.027 0.019
 
3Q2017 Sep 06, 2017 2DBP-01 SM #2 - 14 ST 0.033 0.035
3Q2017 Sep 06, 2017 2DBP-02 STAGE 1 #1 - PW OFFICE 0.027 0.028
 
2Q2017 Jun 07, 2017 2DBP-01 SM #2 - 14 ST 0.029 0.039
2Q2017 Jun 07, 2017 2DBP-02 STAGE 1 #1 - PW OFFICE 0.024 0.034
 
1Q2017 Mar 01, 2017 2DBP-01 SM #2 - 14 ST 0.027 0.027
1Q2017 Mar 01, 2017 2DBP-02 STAGE 1 #1 - PW OFFICE 0.021 0.023
 
4Q2016 Dec 05, 2016 2DBP-01 SM #2 - 14 ST 0.033 0.020
4Q2016 Dec 05, 2016 2DBP-02 STAGE 1 #1 - PW OFFICE 0.023 0.013
 
3Q2016 Sep 07, 2016 2DBP-01 SM #2 - 14 ST 0.035 0.033
3Q2016 Sep 07, 2016 2DBP-02 STAGE 1 #1 - PW OFFICE 0.027 0.021
 
2Q2016 Jun 06, 2016 2DBP-01 SM #2 - 14 ST 0.041 0.042
2Q2016 Jun 06, 2016 2DBP-02 STAGE 1 #1 - PW OFFICE 0.031 0.034
 
1Q2016 Mar 02, 2016 2DBP-01 SM #2 - 14 ST 0.051 0.048
1Q2016 Mar 02, 2016 2DBP-02 STAGE 1 #1 - PW OFFICE 0.039 0.035
 
4Q2015 Dec 02, 2015 2DBP-01 SM #2 - 14 ST 0.042 0.040 0.045
4Q2015 Dec 02, 2015 2DBP-02 STAGE 1 #1 - PW OFFICE 0.037 0.034
 
3Q2015 Sep 22, 2015 2DBP-01 SM #2 - 14 ST 0.041 0.045 0.045
3Q2015 Sep 22, 2015 2DBP-02 STAGE 1 #1 - PW OFFICE 0.037 0.036
 
2Q2015 Jun 01, 2015 2DBP-01 SM #2 - 14 ST 0.037 0.052 0.045
2Q2015 Jun 01, 2015 2DBP-02 STAGE 1 #1 - PW OFFICE 0.030 0.051
 
1Q2015 Mar 03, 2015 2DBP-01 SM #2 - 14 ST 0.040 0.024 0.045 0.045
1Q2015 2DBP-02 STAGE 1 #1 - PW OFFICE 0.040
 
4Q2014 Dec 02, 2014 2DBP-01 SM #2 - 14 ST 0.047 0.038
4Q2014 Dec 02, 2014 2DBP-02 STAGE 1 #1 - PW OFFICE 0.043 0.037
 
3Q2014 Sep 09, 2014 2DBP-01 SM #2 - 14 ST 0.056 0.047
3Q2014 Sep 09, 2014 2DBP-02 STAGE 1 #1 - PW OFFICE 0.018 0.039 0.048
 
2Q2014 Jun 10, 2014 2DBP-01 SM #2 - 14 ST 0.050 0.080
2Q2014 Jun 10, 2014 2DBP-02 STAGE 1 #1 - PW OFFICE 0.009 0.039 0.063
 
1Q2014 Mar 04, 2014 2DBP-01 SM #2 - 14 ST 0.020
1Q2014 Mar 04, 2014 2DBP-02 STAGE 1 #1 - PW OFFICE 0.006 0.016
 
4Q2013 2DBP-01 SM #2 - 14 ST
4Q2013 Dec 03, 2013 2DBP-02 STAGE 1 #1 - PW OFFICE 0.004 0.003
 



For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3779