OHA Drinking Water Services
OR41
PWS ID: 00408 ---- JEFFERSON, CITY OF

Most Recent Water System Survey
Survey Date: Sep 15, 2022
Notification Date: Oct 12, 2022 (27 days)
Regulating Agency: DWS (REGION 1)
Survey Frequency: 5 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Deficiencies: Outstanding Performer!
No deficiencies were identified.


 Hide Site Visit History
Water System Site Visit History
Reason Visit Date Frequency Next Due Notification Date
(Days after survey)		 Responsible
Agency		 Comments and
Deficiencies
Sanitary Survey, Finished (SNSV) 09/15/2022 5 YR  * 10/12/2022 (27) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 09/15/2022 5 YR 09/15/2027 10/12/2022 (27) REGION 1 No details
Sanitary Survey, Finished (SNSV) 11/14/2019 3 YR  * 05/07/2020 (175) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 11/14/2019 3 YR 11/14/2022 05/07/2020 (175) REGION 1 No details
Sanitary Survey, Finished (SNSV) 05/06/2016 3 YR  * 05/09/2016 (3) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 05/05/2016 3 YR 05/05/2019 05/09/2016 (4) REGION 1 No details
Sanitary Survey, Finished (SNSV) 11/18/2013 3 YR  * 11/22/2013 (4) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 11/18/2013 3 YR 11/18/2016 11/22/2013 (4) REGION 1 No details
Sanitary Survey, Finished (SNSV) 11/16/2010 3 YR  * 01/10/2011 (55) REGION 1 Hide details
 
Category Deficiency Due Date Resolved Date
Disinfection No means to adequately determine flow rate on contact chamber effluent lineNot tracked
Disinfection pH, temperature, and chlorine residual not measured daily at first userNot tracked
Disinfection Failure to calculate CT values correctlyNot tracked
Disinfection No means to adequately determine disinfection contact time under peak flow and minimum storage conditionsNot tracked
Surface Water Treatment Turbidimeters not calibrated per manufacturer or at least quarterlyNot tracked
Surface Water Treatment Incorrect location for compliance turbidity monitoringNot tracked
Surface Water Treatment For conventional or direct filtration: Turbidity profile not conducted on individual filters at least quarterlyNot tracked
Deficiency dates were not tracked prior to 1/1/2014.
Water Treatment Plant Site Visit (TRTP) 11/16/2010 6 MN 05/16/2011 01/10/2011 (55) REGION 1 No details
Sanitary Survey, Finished (SNSV) 02/13/2007 3 YR  * 04/03/2007 (49) REGION 1 No details
Sanitary Survey, Finished (SNSV) 12/10/2002 3 YR  * DWP Show details
 



More information for this water system: SDWIS ID 3962
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