OHA Drinking Water Services
PWS ID: 93427 ---- DYNO NOBEL INC

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, COLI = Coliform, SOURCE = Coliform source sample*, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control
*Non-alert (water quality notice)
Results:  19 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
CHEM7628 06/27/2017 07/13/2017 EP-A EP FOR WELL #2 CHEM NITRATE (AS N) 5.485 1007/14/2017
COLI16290 11/15/2016 11/17/2016 SRC-AB well #2 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM7089 03/23/2016 03/29/2016 EP-A EP FOR WELLFIELD (#1 & #2) CHEM NITRATE (AS N) 5.455 1003/29/2016
COLI15104 12/15/2015 12/17/2015 SRC-AA field well COLI COLIFORM, E. COLI Present Present Present12/17/2015
COLI15104 12/15/2015 12/17/2015 SRC-AA field well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present12/17/2015
COLI15062 12/08/2015 12/11/2015 SRC-AB Main Well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI14532 08/13/2015 08/17/2015 SRC-AA field well COLI COLIFORM, E. COLI Present Present Present08/13/2015
COLI14532 08/13/2015 08/17/2015 SRC-AA field well COLI COLIFORM, E. COLI Present Present Present08/13/2015
COLI14532 08/13/2015 08/17/2015 SRC-AA field well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present08/13/2015
COLI14532 08/13/2015 08/17/2015 SRC-AA field well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present08/13/2015
COLI14523 08/11/2015 08/13/2015 SRC-AA field well COLI COLIFORM, E. COLI Present Present Present
COLI14523 08/11/2015 08/13/2015 SRC-AA field well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
LCRE16248 12/01/2013 01/13/2014 EP-A EP FOR WELL #2 LCRE LCR EXCURSION4>0
CHEM5023 09/10/2010 09/02/2011 LCR LEAD 90TH % VALUE 0.0630.0155
CHEM4357 08/02/2010 09/08/2010 LCR LEAD 90TH % VALUE 0.05580.0155
COLI2684 11/09/2005 12/07/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present03/14/2014
COLI2570 09/20/2005 10/27/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM43 02/26/2002 08/07/2002 SRC-AB WELL #2 CHEM NITRATE (AS N) 5.445 10
CHEM22 02/26/2002 07/10/2002 SRC-AA WELL #1 CHEM NITRATE (AS N) 5.445 10
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
01/23/1997Coliform
01/10/1997Coliform
01/08/1997Coliform
12/17/1996Coliform
08/15/1996Coliform
08/12/1996Coliform
08/08/1996Coliform
07/11/1996Coliform
06/27/1996Coliform
06/05/1996Coliform
05/14/1996Coliform
05/08/1996Coliform
04/30/1996Coliform
04/17/1996Coliform
03/12/1996Coliform
03/04/1996Coliform
02/26/1996Coliform
02/19/1996Coliform
02/15/1996Coliform
02/12/1996Coliform
01/15/1996Coliform
01/02/1996Coliform
12/21/1995Coliform
12/14/1995Coliform
12/07/1995Coliform
12/04/1995Coliform
11/30/1995Coliform
01/18/1994Coliform
01/13/1994Coliform
12/02/1997AA--WELL #1Nitrate5.41 10
07/30/1997AB--WELL #2Nitrate6.81 10
06/20/1996A--WELLFIELD (#1 & #2)Nitrate6.2 10
02/15/1996A--WELLFIELD (#1 & #2)Nitrate5.2 10
11/30/1995AA--WELL #1Nitrate5.5 10
05/18/1995A--WELLFIELD (#1 & #2)Nitrate8.8 10
03/23/1995A--WELLFIELD (#1 & #2)Nitrate7 10
11/10/1994AA--WELL #1Nitrate5.5 10
07/19/1994A--WELLFIELD (#1 & #2)Nitrate6.3 10
05/11/1994A--WELLFIELD (#1 & #2)Nitrate9.2 10
09/27/1993A--WELLFIELD (#1 & #2)Nitrate7.8 10
09/27/1993A--WELLFIELD (#1 & #2)Nitrate-Nitrite7.8 10



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: 3083