OHA Drinking Water Services
OR41
PWS ID: 91998 ---- NPS OREGON CAVES NATL MON

Most Recent Water System Survey
Survey Date: Nov 12, 2020
Notification Date: Dec 08, 2020 (26 days)
Regulating Agency: DWS (REGION 2)
Survey Frequency: 5 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Deficiencies:
Category Deficiency Due Date Resolved Date
Disinfection No means to adequately determine flow rate on contact chamber effluent lineJan 01, 2022 * Overdue
Disinfection Failure to calculate CT values correctlyJan 01, 2022 * Overdue
Disinfection No means to adequately determine disinfection contact time under peak flow and minimum storage conditionsJan 01, 2022 * Overdue
Cross Connection Testing records not current (CWS, NTNC, TNC)Jan 26, 2021 Jan 19, 2021
Disinfection Chlorine not measured & recorded as requiredJan 26, 2021 Jan 19, 2021
Surface Water Treatment Turbidimeters not calibrated per manufacturer or at least quarterlyJan 26, 2021 Jan 19, 2021
* Corrective Action Plan has been submitted for this deficiency.


 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) 11/12/2020 5 YR  * 12/08/2020 (26) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 11/12/2020 5 YR 11/12/2025 12/08/2020 (26) REGION 2 No details
Sanitary Survey, Finished (SNSV) 06/17/2015 5 YR  * 07/02/2015 (15) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 06/17/2015 5 YR 06/17/2020 07/02/2015 (15) REGION 2 No details
Sanitary Survey, Finished (SNSV) 04/29/2010 3 YR  * 08/09/2010 (102) JOSEPHINE COUNTY Hide details
  Comments:
Management & Operations: ERP not completed. Operations & Maintenance manual not completed. Treatment: Turbidimeters not calibrated per mfr or at least quarterly. There is no flow meter on effluent side of clearwell or adequate alternative. Recommendations: 1) Maximum flow rate through the treatment plant is 32 GPM. Specifications on Strainrite cartridge indicates maximum flow of 20 GPM. 2) Planning is in process for a new 40000 gallon storage tank to replace current tanks. Make sure adequate contact time for one-long Giardia is considered during the design process. Contact DWP for a plan review prior to construction. 3) ERP and Operations & Maintenance manual are not complete. Complete as discussed.
Category Deficiency Due Date Resolved Date
Management & Operations No operations and maintenance manualNot tracked
Management & Operations Emergency response plan not completedNot tracked
Surface Water Treatment Turbidimeters not calibrated per manufacturer or at least quarterlyNot tracked
Deficiency dates were not tracked prior to 1/1/2014.
Sanitary Survey, Finished (SNSV) 08/11/2005 5 YR  * JOSEPHINE COUNTY Show details
 



More information for this water system: SDWIS ID 3151
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
New! Visit our new Drinking Water Source Protection page.
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login