OHA Drinking Water Services
PWS ID: 00719 ---- UMPQUA BASIN WATER ASSOC

Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.

Alert Type Abbreviations:  CHEM = Chemical
Results:  7 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date
Alert
Date
Source
ID
Source Name Alert
Type
Contaminant Result Alert
Level
MCL Contact
Report
CHEM9149 11/18/2020 11/25/2020 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07990.06 0.0612/02/2020
CHEM7750 10/25/2017 11/01/2017 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07430.06 0.06
CHEM7443 11/30/2016 12/16/2016 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06830.06 0.06
CHEM7443 11/30/2016 12/16/2016 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06960.06 0.06
CHEM6980 12/02/2015 12/11/2015 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0960.06 0.0612/11/2015
CHEM4238 06/03/2010 07/13/2010 EP-A EP FOR NORTH UMPQUA CHEM DIQUAT 0.00070.0004 0.02
CHEM1719 05/16/2005 08/16/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08810.08 0.08


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
08/29/2000A--EP FOR NORTH UMPQUAAdipates (Di(2-Ethylhexyl))0.0013 0.4
04/04/2001Coliform
08/19/1997Coliform
10/24/2000A--EP FOR NORTH UMPQUAPhthalates (Di(2-Ethylhexyl))0.0012 0.006
08/29/2000A--EP FOR NORTH UMPQUAPhthalates (Di(2-Ethylhexyl))0.0011 0.006



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: 3904