OHA Drinking Water Services
OR41
PWS ID: 95706 ---- NPS OREGON CAVES NATIONAL MONUMENT O&M

Most Recent Water System Survey
Survey Date: Aug 16, 2023
Notification Date: Sep 25, 2023 (40 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
Monitoring & Reporting Monitoring not currentJun 30, 2024 *
Management & Operations Major modifications not approved (plan review)Sep 23, 2024 *
Operator Certification No certified operator at required levelSep 23, 2024 *
Operator Certification No protocol for under-certified operatorSep 23, 2024 *
Disinfection No means to adequately determine flow rate on contact chamber effluent lineSep 23, 2024 *
Disinfection Failure to calculate CT values correctlySep 23, 2024 *
Cross Connection Testing records not current (CWS, NTNC, TNC)Nov 13, 2023 Jan 10, 2024 - Late
Management & Operations No operations and maintenance manualNov 13, 2023 Jan 10, 2024 - Late
Management & Operations Emergency response plan not completedNov 13, 2023 Jan 10, 2024 - Late
Monitoring & Reporting No coliform sampling planNov 13, 2023 Jan 10, 2024 - Late
Disinfection Free chlorine residual not maintainedNov 13, 2023 Jan 10, 2024 - Late
Surface Water Treatment Turbidimeters not calibrated per manufacturer or at least quarterlyNov 13, 2023 Jan 10, 2024 - Late
* 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) 08/16/2023 5 YR  * 09/25/2023 (40) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 08/16/2023 6 MN 02/16/2024 09/25/2023 (40) REGION 2 No details
 



More information for this water system: SDWIS ID 5640
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Corrosion Control has moved to the Lead & Copper page.
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