Public water system · ND1001380
ActiveNortheast Rwd-Langdon Branch
At a glance
Northeast Rwd-Langdon Branch (PWSID ND1001380) is an active community water system in Cavalier County, North Dakota. It reports serving 2,450 people through 980 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in September 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,450
Service connections
980
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Northeast Rwd-Langdon Branch compare with other water systems in Cavalier County?
By EPA's size categories, Northeast Rwd-Langdon Branch is a small system (501 to 3,300 people). Cavalier County has 5 active public water systems, and Northeast Rwd-Langdon Branch is the largest of them by population served. Its population served is about 168% above the county average of 914 people per system, and accounts for 54% of the 4,570 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 Northeast Rwd-Langdon Branch is about 63% 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 Northeast Rwd-Langdon Branch?
EPA lists Northeast Rwd-Langdon Branch as privately owned. 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. 1 of the 5 active systems in Cavalier County (20%) are also privately owned.
Does Northeast Rwd-Langdon Branch have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in September 2023. The violations listed here began between December 1993 and September 2023. By type: 6 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 6 as archived and 1 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-09-13 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2007-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2006-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2001-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1997-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 7 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.
Northeast Rwd-Langdon Branch: frequently asked questions
Who runs Northeast Rwd-Langdon Branch?
Northeast Rwd-Langdon Branch (PWSID ND1001380) is a community water system privately owned. It is regulated by the ND state drinking water program.
How many people does Northeast Rwd-Langdon Branch serve?
Northeast Rwd-Langdon Branch reports serving 2,450 people through 980 service connections in Cavalier County, North Dakota.
Where does Northeast Rwd-Langdon Branch 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 Northeast Rwd-Langdon Branch have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in September 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 Northeast Rwd-Langdon Branch'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 7 violations for this system; 1 is health-based, and the most recent began in September 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the ND state drinking water program.
Where can I find Northeast Rwd-Langdon Branch's water quality report?
As a community water system, Northeast Rwd-Langdon Branch 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 Cavalier County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Langdon City of | Cavalier | 1,878 | Community | Purchased groundwater |
| Osnabrock City of | Cavalier | 134 | Community | Purchased groundwater |
| Milton City of | Cavalier | 58 | Community | Purchased groundwater |
| Nekoma City of | Cavalier | 50 | Community | Purchased groundwater |
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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, “Northeast Rwd-Langdon Branch, PWSID ND1001380, North Dakota”, https://aquacensus.com/water-systems/north-dakota/northeast-rwd-langdon-branch-nd1001380 (data as of October 1, 2026).