OHA Drinking Water Services
OR41
PWS ID: 95573 ---- GRAN MORAINE WINERY

Most Recent Water System Survey
Survey Date: Nov 21, 2025
Notification Date: Nov 25, 2025 (4 days)
Regulating Agency: DEPT OF AGRICULTURE
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
Finished Water Storage Hatch not locked or adequately securedJan 13, 2026 Dec 10, 2026 - Late
Management & Operations Major modifications not approved (plan review)Jan 13, 2026 Jan 23, 2026 - Late
Monitoring & Reporting Monitoring not currentJan 13, 2026 Dec 10, 2025
Well Construction Sanitary seal and casing not watertightJan 13, 2026 Dec 10, 2025
Well Construction Does not meet setbacks from hazardsJan 13, 2026 Jan 23, 2026 - Late
Well Construction No screen on existing well ventJan 13, 2026 Dec 10, 2025
Disinfection Chlorine not measured & recorded as requiredJan 13, 2026 Dec 10, 2025


 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) 11/21/2025 5 YR  * 11/25/2025 (4) DEPT OF AGRICULTURE Show details
Sanitary Survey, Finished (SNSV) 12/02/2019 5 YR  * 12/16/2019 (14) DEPT OF AGRICULTURE Hide details
 
Category Deficiency Due Date Resolved Date
Disinfection Chlorine not measured & recorded as requiredSep 30, 2020 § * Overdue
Disinfection DPD or EPA approved method not usedApr 29, 2020 * May 28, 2020 - Late
§ A "Failure to Correct Deficiencies" reminder letter was sent to the water system for this deficiency.
* Corrective Action Plan has been submitted for this deficiency.
 




More information for this water system: SDWIS ID 5446
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PFAS data are now located on the Chemical Results page.

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