Public water system · ND4900803
ActivePortland City of
At a glance
City of Portland (PWSID ND4900803) is an active community water system in Traill County, North Dakota. It reports serving 606 people through 289 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
606
Service connections
289
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does City of Portland compare with other water systems in Traill County?
By EPA's size categories, City of Portland is a small system (501 to 3,300 people). Traill County has 5 active public water systems, and City of Portland is the 5th-largest of them by population served. Its population served is about 60% below the county average of 1,529 people per system, and accounts for 7.9% of the 7,644 people reported by systems filed under the county. Across North Dakota, the 403 active systems average 1,864 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Portland is well below 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. North Dakota has 317 active community water systems, 79% of the state's 403 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 114 North Dakota systems (28%) list purchased groundwater as their primary source.
Who owns and regulates City of Portland?
EPA lists City of Portland as owned by a local government. The ND state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 5 active systems in Traill County (80%) are also owned by a local government.
Does City of Portland have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in November 2025. The violations listed here began between April 2009 and November 2025. By type: 3 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Total coliform bacteria (TCR) and Chlorine. EPA lists 2 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 |
|---|---|---|---|---|
| 2025-11-18 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2009-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
All 3 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.
City of Portland: frequently asked questions
Who runs City of Portland?
City of Portland (PWSID ND4900803) is a community water system owned by a local government. It is regulated by the ND state drinking water program.
How many people does City of Portland serve?
City of Portland reports serving 606 people through 289 service connections in Traill County, North Dakota.
Where does City of Portland get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does City of Portland have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in November 2025. 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 City of Portland'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. EPA's records list 3 violations for this system; none is health-based, and the most recent began in November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the ND state drinking water program.
Where can I find City of Portland's water quality report?
As a community water system, City of Portland 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 Traill County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| East Central Regional Wd-Traill | Traill | 2,800 | Community | Groundwater |
| Mayville City of | Traill | 1,858 | Community | Purchased groundwater |
| Hillsboro City of | Traill | 1,603 | Community | Groundwater |
| Hatton City of | Traill | 777 | Community | Purchased groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Portland City of, PWSID ND4900803, North Dakota”, https://aquacensus.com/water-systems/north-dakota/portland-city-of-nd4900803 (data as of October 1, 2026).