OHA Drinking Water Services
OR41
PWS ID: 00493 ---- LYONS MEHAMA WATER DISTRICT

Most Recent Water System Survey
Survey date: Aug 18, 2025
Notification date: Sep 19, 2025 (32 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.
Significant deficiencies and unmet rule requirements:
Category Significant deficiency or unmet rule requirement Due date Resolved date
Management & Operations Emergency response plan not completed (CWS, NTNC)Mar 31, 2026 * Overdue
Operator Certification No protocol for under certified operatorMar 31, 2026 * Overdue
Cross Connection No ordinance or enabling authority (CWS)May 31, 2026 *
Cross Connection Annual summary report not issued (CWS)May 31, 2026 *
Cross Connection Testing records not current (CWS, NTNC, TNC)May 31, 2026 *
Cross Connection No cross connection control specialist (CWS ≥ 300 connections)May 31, 2026 *
Monitoring & Reporting Monitoring not currentSep 30, 2026 *
Finished Water Storage Roof and access hatch not watertight or adequately securedNov 07, 2025 Nov 07, 2025
Finished Water Storage No flap valve, screen, or equivalent on overflow or drainNov 07, 2025 Nov 07, 2025
Management & Operations Major modifications not approved (plan review)Nov 07, 2025 Apr 01, 2026 - Late
Management & Operations Annual CCR not distributed (CWS)Nov 07, 2025 Sep 19, 2025
* A corrective action plan has been submitted for this significant deficiency or unmet rule requirement.


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