OHA Drinking Water Services

PWS ID: 00705 ---- SOUTH UMPQUA 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.

Monitoring
Period
Last
Sample
Sample
Point
Location
 
TTHM LRAA
MCL = 0.080
TTHM
OEL
HAA5 LRAA
MCL = 0.060
HAA5
OEL
2Q2021 May 25, 2021 2DBP-01 2080 SHOESTRING 0.049 0.046 0.037 0.036
 
1Q2021 Feb 24, 2021 2DBP-01 2080 SHOESTRING 0.048 0.047 0.039 0.041
 
4Q2020 Nov 23, 2020 2DBP-01 2080 SHOESTRING 0.048 0.050 0.040 0.042
 
3Q2020 Aug 18, 2020 2DBP-01 2080 SHOESTRING 0.041 0.051 0.026 0.033
 
2Q2020 May 19, 2020 2DBP-01 2080 SHOESTRING 0.036 0.037 0.026 0.027
 
1Q2020 Feb 21, 2020 2DBP-01 2080 SHOESTRING 0.036 0.036 0.026 0.029
 
4Q2019 Nov 25, 2019 2DBP-01 2080 SHOESTRING 0.034 0.030 0.024 0.019
 
3Q2019 Aug 28, 2019 2DBP-01 2080 SHOESTRING 0.042 0.040 0.033 0.031
 
2Q2019 May 23, 2019 2DBP-01 2080 SHOESTRING 0.047 0.042 0.031 0.034
 
1Q2019 Feb 22, 2019 2DBP-01 2080 SHOESTRING 0.049 0.044 0.029 0.034
 
4Q2018 Nov 16, 2018 2DBP-01 2080 SHOESTRING 0.050 0.053 0.026 0.028
 
3Q2018 Aug 28, 2018 2DBP-01 2080 SHOESTRING 0.052 0.053 0.029 0.023
 
2Q2018 May 23, 2018 2DBP-01 2080 SHOESTRING 0.057 0.050 0.033 0.029
 
1Q2018 Feb 23, 2018 2DBP-01 2080 SHOESTRING 0.050 0.053 0.036 0.036
 
4Q2017 Nov 17, 2017 2DBP-01 2080 SHOESTRING 0.046 0.054 0.032 0.040
 
3Q2017 Aug 11, 2017 2DBP-01 2080 SHOESTRING 0.046 0.052 0.032 0.029
 
2Q2017 May 19, 2017 2DBP-01 2080 SHOESTRING 0.044 0.034 0.026 0.031
 
1Q2017 Feb 24, 2017 2DBP-01 2080 SHOESTRING 0.044 0.043 0.018 0.022
 
4Q2016 Nov 29, 2016 2DBP-01 2080 SHOESTRING 0.046 0.052 0.023 0.025
 
3Q2016 Aug 24, 2016 2DBP-01 2080 SHOESTRING 0.045 0.049 0.020 0.014
 
2Q2016 May 24, 2016 2DBP-01 2080 SHOESTRING 0.042 0.035 0.025 0.024
 
1Q2016 Feb 23, 2016 2DBP-01 2080 SHOESTRING 0.044 0.042 0.031 0.034
 
4Q2015 Nov 20, 2015 2DBP-01 2080 SHOESTRING 0.045 0.049 0.029 0.031
 
3Q2015 Aug 17, 2015 2DBP-01 2080 SHOESTRING 0.042 0.046 0.028 0.026
 
2Q2015 May 22, 2015 2DBP-01 2080 SHOESTRING 0.040 0.037 0.028 0.028
 
1Q2015 Feb 26, 2015 2DBP-01 2080 SHOESTRING 0.038 0.039 0.029 0.029
 
4Q2014 Nov 20, 2014 2DBP-01 2080 SHOESTRING 0.038 0.039 0.031 0.030
 
3Q2014 Aug 22, 2014 2DBP-01 2080 SHOESTRING 0.041 0.040 0.030 0.029
 
2Q2014 May 22, 2014 2DBP-01 2080 SHOESTRING 0.029 0.037 0.024 0.031
 
1Q2014 Feb 21, 2014 2DBP-01 2080 SHOESTRING 0.022 0.017
 
4Q2013 Nov 19, 2013 2DBP-01 2080 SHOESTRING 0.013 0.007
 



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: 4067