OHA Drinking Water Services
OR41
PWS ID: 00042 ---- ANTELOPE, CITY OF

Most Recent Water System Survey
Survey date: Mar 11, 2026
Notification date: Mar 26, 2026 (15 days)
Regulating agency: WASCO 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
Management & Operations Major modifications not approved (plan review)Jul 30, 2026
Monitoring & Reporting No coliform sampling planJul 30, 2026
Bold text indicates a significant deficiency. All others are unmet rule requirements.


 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) 03/11/2026 3 YR  * 03/26/2026 (15) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 04/29/2022 3 YR  * 05/06/2022 (7) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 10/25/2017 3 YR  * 12/27/2017 (63) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 12/11/2014 3 YR  * 01/05/2015 (25) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 12/08/2011 3 YR  * 12/27/2011 (19) WASCO COUNTY Hide details
  Comments:
The deficiencies noted are as follows:

Source Deficiencies
1.No treated water sample tap.
2. Well vent not properly screened.

Finished Water Storage Deficiencies
3. No flap valve, screen, or equivalent on drain.

Distribution Deficiencies
4. Cross connection devices not tested annually.
5. Annual summary report not submitted.

Monitoring Deficiencies
6. Sampling not current.
7. No coliform sampling plan.

Management & Operations Deficiencies
8. No Operation and Maintenance Manual.
9. No Emergency Response Plan.
10. No written operating protocols for under certified operators.
11. Annual consumer confidence report not submitted.


Category Significant deficiency or unmet rule requirement Due date Resolved date
Cross Connection Annual summary report not issued (CWS)Not tracked
Cross Connection Testing records not current (CWS, NTNC, TNC)Not tracked
Finished Water Storage No flap valve, screen, or equivalent on overflow or drainNot tracked
Management & Operations No operations and maintenance manualNot tracked
Management & Operations Emergency response plan not completed (CWS, NTNC)Not tracked
Management & Operations Annual CCR not distributed (CWS)Not tracked
Monitoring & Reporting Monitoring not currentNot tracked
Monitoring & Reporting No coliform sampling planNot tracked
Operator Certification No protocol for under-certified operatorNot tracked
Well Construction Unscreened well ventNot tracked
Significant deficiency and unmet rule requirement dates were not tracked prior to 1/1/2014.
Sanitary Survey, Finished (SNSV) 10/22/2008 3 YR  * 10/29/2008 (7) WASCO COUNTY No details
Sanitary Survey, Finished (SNSV) 04/27/2006 3 YR  * 05/04/2006 (7) WASCO COUNTY No details
Sanitary Survey, Finished (SNSV) 07/22/2002 3 YR  * WASCO COUNTY Show details