OHA Drinking Water Services
OR41
PWS ID: 01194 ---- HIGHLAND RANCH ESTATES

Most Recent Water System Survey
Survey date: Jul 23, 2025
Notification date: Aug 20, 2025 (28 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
Cross Connection Testing records not current (CWS, NTNC, TNC)Dec 24, 2025 Overdue
Management & Operations No operations and maintenance manualDec 24, 2025 Overdue
Management & Operations Emergency response plan not completed (CWS, NTNC)Dec 24, 2025 Overdue
Monitoring & Reporting No coliform sampling planDec 24, 2025 Overdue
Operator Certification No DRC at required certification level Dec 24, 2025 Overdue


 Hide Site Visit History
Water System Site Visit History
Reason Visit date Frequency Next due Notification date
(Days after survey)		 Responsible
agency		 Comments and
significant deficiencies or unmet rule requirements
Sanitary Survey, Finished (SNSV) 07/23/2025 3 YR  * 08/20/2025 (28) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 03/22/2005 5 YR  * DWP Show details