OHA Drinking Water Services
PWS ID: 00507 ---- MAPLETON WATER DISTRICT

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, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control
Results:  18 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
CHEM9227 01/18/2021 01/25/2021 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06460.06 0.0601/27/2021
CHEM9120 10/08/2020 10/26/2020 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0610.06 0.0612/30/2020
CHEM8656 10/16/2019 11/01/2019 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06040.06 0.06
CHEM8011 07/05/2018 07/19/2018 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06160.06 0.06
CHEM7816 11/29/2017 12/21/2017 EP-A EP FOR BERKSHIRE CREEK CHEM XYLENES 0.002410.0005 10
CHEM7728 08/16/2017 10/12/2017 EP-A EP FOR BERKSHIRE CREEK CHEM XYLENES 0.000750.0005 10
CHEM7434 10/27/2016 12/02/2016 EP-A EP FOR BERKSHIRE CREEK CHEM XYLENES 0.000650.0005 1012/13/2016
CHEM7348 10/10/2016 10/17/2016 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08790.08 0.08
CHEM7037 01/18/2016 02/02/2016 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06540.06 0.06
CHEM6477 09/30/2014 10/16/2014 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08010.08 0.08
CHEM6258 03/27/2014 04/10/2014 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07580.06 0.0604/10/2014
LCRE15892 09/01/2013 10/08/2013 EP-A EP FOR BERKSHIRE CREEK LCRE LCR EXCURSION1>0
CHEM5314 03/14/2012 03/26/2012 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07210.06 0.06
CHEM4899 05/18/2011 06/02/2011 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06130.06 0.0606/08/2011
CHEM3931 01/18/2010 02/04/2010 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.08240.06 0.0602/04/2010
COLI6147 03/03/2009 03/05/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM2863 01/02/2008 02/22/2008 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.09090.06 0.06
CHEM1234 06/14/1994 03/21/2005 LCR LEAD 90TH % VALUE 0.01710.0155


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
12/15/1999A--EP FOR WTPEthylbenzene0.0013 0.7
12/15/1999A--EP FOR WTPTotal Xylenes0.008 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: 3969