OHA Drinking Water Services
OR41
PWS ID: 01361 ---- RAINBOW ROCK SERVICE ASSOCIATION

Most Recent Water System Survey
Survey Date: May 01, 2025
Notification Date: May 14, 2025 (13 days)
Regulating Agency: DWS (REGION 2)
Survey Frequency: 3 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 Roof and access hatch not watertightJul 02, 2025 May 20, 2025
Surface Water Treatment Turbidimeters not calibrated per manufacturer or at least quarterlyJul 02, 2025 May 20, 2025
Disinfection Failure to calculate CT values correctlyOct 31, 2025 * Sep 10, 2025
* Corrective Action Plan has been submitted for this deficiency.


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More information for this water system: SDWIS ID 4014
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