OHA Drinking Water Services
PWS ID: 00368 ---- HELIX, CITY OF
Excel Spreadsheet

MCL = 10 mg/L; MCL exceedances are indicated with red text.
ND = Not detected at the minimum reporting level.
Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
(mg/L)
Comments
T1C100501-I 03/10/2021 03/29/2021 NITRATE EP FOR WELLS EP-AND
910240601-I 10/23/2019 12/05/2019 NITRATE EP FOR WELLS EP-A0.52
181115B1-I 11/15/2018 11/28/2018 NITRATE EP FOR WELLS EP-AND
171114F1-I 11/14/2017 11/21/2017 NITRATE EP FOR WELLS EP-AND
160201B1B-I 02/01/2016 02/16/2016 NITRATE EP FOR WELLS EP-AND
500600701-I 01/05/2015 01/09/2015 NITRATE EP FOR WELLS EP-A0.381
403501301-I 02/03/2014 02/14/2014 NITRATE EP FOR WELLS EP-AND
309203603-I 04/01/2013 04/10/2013 NITRATE EP FOR WELLS EP-A0.8
212301201-I 05/01/2012 05/08/2012 NITRATE EP FOR WELLS EP-A0.6
136401304-I 12/29/2011 01/06/2012 NITRATE EP FOR WELLS EP-A0.6
1020915-I 07/27/2010 08/05/2010 NITRATE EP FOR WELLS EP-AND
090715017001-I 07/13/2009 01/08/2010 NITRATE EP FOR WELLS EP-A0.128
090608F1Q-I 06/08/2009 07/10/2009 NITRATE EP FOR WELLS EP-AND
A80708B1-I 07/07/2008 07/24/2009 NITRATE EP FOR WELLS EP-AND
A70518B1 05/17/2007 05/31/2007 NITRATE EP FOR WELLS EP-AND
A60616P 06/15/2006 07/03/2006 NITRATE EP FOR WELLS EP-AND
A50719E-1 07/18/2005 08/01/2005 NITRATE EP FOR WELLS EP-AND
A40608AT-1 06/07/2004 09/08/2004 NITRATE EP FOR WELLS EP-A0.2
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
A10403AB*A 04/03/2001 04/12/2001 Nitrate EP FOR COMBINED WELLS A0.6
A01016FAA 10/16/2000 12/04/2000 Nitrate WELL #4 (NEW/DEEP) AA0.52
991115EAA 11/15/1999 11/23/1999 Nitrate WELL #4 (NEW/DEEP) AA0.07
981117AZ*A 11/17/1998 11/27/1998 Nitrate EP FOR COMBINED WELLS A8.8
981117AXAA 11/17/1998 11/27/1998 Nitrate WELL #4 (NEW/DEEP) AA0.18
971218CAA 12/18/1997 01/08/1998 Nitrate WELL #4 (NEW/DEEP) AA0.11
961212AAA 12/11/1996 01/08/1997 Nitrate WELL #4 (NEW/DEEP) AA0.01
960520J*A 05/20/1996 05/29/1996 Nitrate EP FOR COMBINED WELLS A4.7
950706ARAA 07/05/1995 09/12/1995 Nitrate WELL #1 (SHALLOW) AB13
940906PE*A 09/06/1994 10/20/1994 Nitrate EP FOR COMBINED WELLS A5.3
940413PPAA 04/13/1994 06/10/1994 Nitrate WELL #4 (NEW/DEEP) AA0.17
-1974865 11/25/1991 09/12/1991 Nitrate WELL #4 (NEW/DEEP) AA0.13
 




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: 3728