OHA Drinking Water Services
OR41
PWS ID: 00248 ---- DALLAS, CITY OF

Most Recent Water System Survey
Survey date: Sep 26, 2025
Notification date: Oct 28, 2025 (32 days)
Regulating agency: DWS (REGION 1)
Survey frequency: 3 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Significant deficiencies and unmet rule requirements:
Category Significant deficiency or unmet rule requirement Due date Resolved date
Surface Water Treatment Turbidimeters not calibrated per manufacturer or at least quarterlyDec 08, 2025 * Dec 08, 2025
Operator Certification No DRC at required certification level Jan 31, 2026 * Jan 08, 2026
* A corrective action plan has been submitted for this significant deficiency or unmet rule requirement.


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