Public water system · ND1501310
ActiveState Line Water Coop Inc.
At a glance
State Line Water Coop Inc. (PWSID ND1501310) is an active community water system in Emmons County, North Dakota. It reports serving 405 people through 162 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
405
Service connections
162
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does State Line Water Coop Inc. compare with other water systems in Emmons County?
By EPA's size categories, State Line Water Coop Inc. is a very small system (500 people or fewer). Emmons County has 6 active public water systems, and State Line Water Coop Inc. is the 4th-largest of them by population served. Its population served is about 59% below the county average of 978 people per system, and accounts for 6.9% of the 5,867 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 State Line Water Coop Inc. 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 surface water means the system buys surface water from another public water system rather than drawing its own. 83 North Dakota systems (21%) list purchased surface water as their primary source.
Who owns and regulates State Line Water Coop Inc.?
EPA lists State Line Water Coop Inc. 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. 2 of the 6 active systems in Emmons County (33%) are also privately owned.
Does State Line Water Coop Inc. have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between July 2017 and July 2025. By type: 6 monitoring and reporting, 5 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (5 of them). EPA lists 12 as resolved. 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 |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloraminecode 1006 | No | Resolved |
| 2024-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloraminecode 1006 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloraminecode 1006 | No | Resolved |
| 2023-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-10-10 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloraminecode 1006 | No | Resolved |
| 2021-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloraminecode 1006 | No | Resolved |
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.
State Line Water Coop Inc.: frequently asked questions
Who runs State Line Water Coop Inc.?
State Line Water Coop Inc. (PWSID ND1501310) is a community water system privately owned. It is regulated by the ND state drinking water program.
How many people does State Line Water Coop Inc. serve?
State Line Water Coop Inc. reports serving 405 people through 162 service connections in Emmons County, North Dakota.
Where does State Line Water Coop Inc. get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does State Line Water Coop Inc. have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 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 State Line Water Coop Inc.'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, none is health-based, and the most recent began in July 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 State Line Water Coop Inc.'s water quality report?
As a community water system, State Line Water Coop Inc. 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 Emmons County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| South Central Rwd-Emmons | Emmons | 3,650 | Community | Surface water |
| Linton City of | Emmons | 1,097 | Community | Purchased surface water |
| Strasburg City of | Emmons | 409 | Community | Purchased surface water |
| Hazelton City of | Emmons | 235 | Community | Groundwater |
| Hague City of | Emmons | 71 | Community | Purchased 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, “State Line Water Coop Inc., PWSID ND1501310, North Dakota”, https://aquacensus.com/water-systems/north-dakota/state-line-water-coop-inc-nd1501310 (data as of October 1, 2026).