OHA Drinking Water Services
PWS ID: 91072 ---- OPRD HAT ROCK STATE PARK

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
Response Time is the number of days from the alert date to the contact report date.
Results:  33 alerts found for this water system.Hide response time
Water Quality Alerts
Alert ID Sample
Date		 Alert
Date		 Source
ID		 Source Name Alert
Type		 Contaminant Result Alert
Level		 MCL Contact
Report		Response
Time (Days)
CHEM9202 12/30/2020 12/31/2020 SRC-AA WELL CHEM NITRATE (AS N) 15.75 10
CHEM9189 12/23/2020 12/28/2020 SRC-AA WELL CHEM NITRATE (AS N) 14.15 10
CHEM9182 12/22/2020 12/23/2020 SRC-AA WELL CHEM NITRATE (AS N) 155 1012/23/20200
COLI20204 08/26/2020 08/28/2020 DIST-A Shop Sink COLI COLIFORM, TOTAL (TCR) Present Present Present08/27/2020-1
CHEM7865 01/05/2018 02/13/2018 SRC-AA WELL CHEM NITRATE (AS N) 19.45 10
CHEM7571 04/24/2017 05/11/2017 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 5.365 1005/11/20170
CHEM7489 01/05/2017 01/23/2017 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 5.465 1001/23/20170
CHEM7472 12/12/2016 01/04/2017 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 10.35 1001/03/2017-1
CHEM7177 06/20/2016 06/23/2016 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 5.485 10
COLI14513 08/10/2015 08/12/2015 DIST-A west restroom sink COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI14513 08/10/2015 08/12/2015 DIST-A west restroom sink COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI14469 08/03/2015 08/04/2015 DIST-A shop faucet COLI COLIFORM, TOTAL (TCR) Present Present Present08/07/20153
COLI14469 08/03/2015 08/04/2015 DIST-A shop faucet COLI COLIFORM, TOTAL (TCR) Present Present Present08/07/20153
COLI14340 07/09/2015 07/10/2015 DIST-A 82375 c st shop faucet COLI COLIFORM, E. COLI Present Present Present07/10/20150
COLI14340 07/09/2015 07/10/2015 DIST-A 82375 c st shop faucet COLI COLIFORM, E. COLI Present Present Present07/10/20150
COLI14340 07/09/2015 07/10/2015 DIST-A 82375 c st shop faucet COLI COLIFORM, TOTAL (TCR) Present Present Present07/10/20150
COLI14340 07/09/2015 07/10/2015 DIST-A 82375 c st shop faucet COLI COLIFORM, TOTAL (TCR) Present Present Present07/10/20150
CHEM6683 04/06/2015 04/07/2015 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 135 1004/08/20151
CHEM6643 02/20/2015 02/26/2015 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 9.755 10
CHEM6628 01/15/2015 02/18/2015 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 9.35 1002/18/20150
CHEM6353 06/25/2014 07/03/2014 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 14.85 10
CHEM6332 06/19/2014 06/24/2014 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 15.25 1006/24/20140
COLI11983 08/19/2013 08/21/2013 DIST-A shop faucet COLI COLIFORM, TOTAL (TCR) Present Present Present08/22/20131
CHEM5592 10/22/2012 10/31/2012 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 65 1010/31/20120
COLI9651 09/12/2011 09/19/2011 DIST-A 82375 C St garage faucet COLI COLIFORM, TOTAL (TCR) Present Present Present09/19/20110
CHEM3207 10/02/2008 10/21/2008 EP-A EP FOR WELL (L28960) CHEM NITRATE (AS N) 7.135 10
CHEM194 10/03/2002 11/01/2002 EP-A EP FOR WELL ('99) CHEM NITRATE (AS N) 8.25 10
CHEM145 09/09/2002 10/03/2002 EP-A EP FOR WELL ('99) CHEM NITRATE (AS N) 8.645 10
CHEM89 08/01/2002 09/12/2002 EP-A EP FOR WELL ('99) CHEM NITRATE (AS N) 9.35 10
CHEM41 01/03/2002 08/07/2002 EP-A EP FOR WELL ('99) CHEM NITRATE (AS N) 12.65 10
CHEM41 01/15/2002 08/07/2002 EP-A EP FOR WELL ('99) CHEM NITRATE (AS N) 10.95 10
CHEM41 04/22/2002 08/07/2002 EP-A EP FOR WELL ('99) CHEM NITRATE (AS N) 10.35 10
CHEM41 05/16/2002 08/07/2002 EP-A EP FOR WELL ('99) CHEM NITRATE (AS N) 13.365 10


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
04/10/2001Coliform
08/15/1996Coliform
07/15/1996Coliform
07/14/1995Coliform
11/21/1994Coliform
10/18/1994Coliform
12/01/1999AA--WELL ('99)Lead0.016 0.015
12/17/2001AA--WELL ('99)Nitrate11.8 10
12/03/2001AA--WELL ('99)Nitrate11.7 10
11/15/2001AA--WELL ('99)Nitrate8.42 10
11/01/2001AA--WELL ('99)Nitrate14.1 10
10/15/2001AA--WELL ('99)Nitrate13.4 10
10/01/2001AA--WELL ('99)Nitrate9.38 10
09/17/2001AA--WELL ('99)Nitrate11.9 10
09/04/2001AA--WELL ('99)Nitrate9.23 10
08/15/2001AA--WELL ('99)Nitrate12.2 10
08/06/2001AA--WELL ('99)Nitrate11.6 10
07/17/2001AA--WELL ('99)Nitrate12.2 10
07/09/2001AA--WELL ('99)Nitrate13 10
06/04/2001AA--WELL ('99)Nitrate15.2 10
05/17/2001AA--WELL ('99)Nitrate21.1 10
04/30/2001AA--WELL ('99)Nitrate12.8 10
04/09/2001AA--WELL ('99)Nitrate12.1 10
03/01/2001AA--WELL ('99)Nitrate13.6 10
02/01/2001AA--WELL ('99)Nitrate16.9 10
01/02/2001AA--WELL ('99)Nitrate10.5 10
11/30/2000AA--WELL ('99)Nitrate11.8 10
10/31/2000AA--WELL ('99)Nitrate10 10
10/02/2000AA--WELL ('99)Nitrate10.1 10
08/30/2000AA--WELL ('99)Nitrate9.29 10
12/01/1999AA--WELL ('99)Nitrate8.45 10
12/01/1999AA--WELL ('99)Sodium31.5


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
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