Public water system · OR4100205
ActiveCoos Bay North Bend Wtr Brd
At a glance
Coos Bay North Bend Wtr Brd (PWSID OR4100205) is an active community water system in Coos County, Oregon. It reports serving 34,500 people through 13,718 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
34,500
Service connections
13,718
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Coos Bay North Bend Wtr Brd compare with other water systems in Coos County?
By EPA's size categories, Coos Bay North Bend Wtr Brd is a large system (10,001 to 100,000 people). Coos County has 45 active public water systems, and Coos Bay North Bend Wtr Brd is the largest of them by population served. Its population served is about 30 times the county average of 1,143 people per system, and accounts for 67% of the 51,436 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active community water system reports serving 6,703 people, so Coos Bay North Bend Wtr Brd is about 5.1 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Oregon has 940 active community water systems, 37% of the state's 2,536 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 211 Oregon systems (8.3%) list surface water as their primary source.
Who owns and regulates Coos Bay North Bend Wtr Brd?
EPA lists Coos Bay North Bend Wtr Brd as owned by a local government. The OR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 11 of the 45 active systems in Coos County (24%) are also owned by a local government.
Does Coos Bay North Bend Wtr Brd have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2023. The violations listed here began between November 1992 and January 2023. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 11 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1992-11-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-11-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Coos Bay North Bend Wtr Brd: frequently asked questions
Who runs Coos Bay North Bend Wtr Brd?
Coos Bay North Bend Wtr Brd (PWSID OR4100205) is a community water system owned by a local government. It is regulated by the OR state drinking water program.
How many people does Coos Bay North Bend Wtr Brd serve?
Coos Bay North Bend Wtr Brd reports serving 34,500 people through 13,718 service connections in Coos County, Oregon.
Where does Coos Bay North Bend Wtr Brd get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Coos Bay North Bend Wtr Brd have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Coos Bay North Bend Wtr Brd's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.
Where can I find Coos Bay North Bend Wtr Brd's water quality report?
As a community water system, Coos Bay North Bend Wtr Brd must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Coos County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Coquille, City of | Coos | 3,953 | Community | Surface water |
| Bandon, City of | Coos | 3,000 | Community | Surface water |
| Myrtle Point, City of | Coos | 2,656 | Community | Surface water |
| Lakeside Water District | Coos | 1,800 | Community | Surface water |
| Oprd Bullards Beach State Pk | Coos | 1,400 | Transient non-community | Groundwater |
| Powers, City of | Coos | 712 | Community | Surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Coos Bay North Bend Wtr Brd, PWSID OR4100205, Oregon”, https://aquacensus.com/water-systems/oregon/coos-bay-north-bend-wtr-brd-or4100205 (data as of October 1, 2026).