OHA Drinking Water Services
OR41
PWS ID: 00067 ---- AURORA, CITY OF

Most Recent Water System Survey
Survey date: Oct 01, 2025
Notification date: Oct 02, 2025 (1 days)
Regulating agency: MARION COUNTY
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 No cross connection control specialist (CWS ≥ 300 connections)Mar 31, 2026 * Overdue
Monitoring & Reporting No coliform sampling planFeb 05, 2026 Feb 05, 2026
Bold text indicates a significant deficiency. All others are unmet rule requirements.
* A corrective action plan has been submitted for this significant deficiency or unmet rule requirement.


 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) 10/01/2025 3 YR  * 10/02/2025 (1) MARION COUNTY Show details
Sanitary Survey, Finished (SNSV) 06/16/2022 3 YR  * 06/24/2022 (8) MARION COUNTY Show details
Sanitary Survey, Finished (SNSV) 09/18/2019 3 YR  * 09/24/2019 (6) MARION COUNTY Show details
Sanitary Survey, Finished (SNSV) 08/17/2016 3 YR  * 08/19/2016 (2) MARION COUNTY Show details
Sanitary Survey, Finished (SNSV) 12/04/2013 3 YR  * 12/11/2013 (7) MARION COUNTY Hide details
  Comments:
The deficiencies noted are as follows:

Treatment and Disinfection Deficiencies
1. Non NSF chemical used for water treatment

Category Significant deficiency or unmet rule requirement Due date Resolved date
Other Treatment Non-NSF approved chemicalsNot tracked
Significant deficiency and unmet rule requirement dates were not tracked prior to 1/1/2014.
Sanitary Survey, Finished (SNSV) 10/05/2010 3 YR  * 10/19/2010 (14) MARION COUNTY Show details
Sanitary Survey, Finished (SNSV) 06/07/2006 3 YR  * 06/13/2006 (6) MARION COUNTY No details
Sanitary Survey, Finished (SNSV) 04/18/1988 3 YR  * DWP Show details