Public water system · NE3104701
ActiveCozad, City of
At a glance
City of Cozad (PWSID NE3104701) is an active community water system in Dawson County, Nebraska. It reports serving 3,915 people through 1,683 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in August 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,915
Service connections
1,683
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Cozad compare with other water systems in Dawson County?
By EPA's size categories, City of Cozad is a medium system (3,301 to 10,000 people). Dawson County has 35 active public water systems, and City of Cozad is the 2nd-largest of them by population served. Its population served is about 6.4 times the county average of 612 people per system, and accounts for 18% of the 21,418 people reported by systems filed under the county. Across Nebraska, the 1,226 active systems average 1,472 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Cozad is about 42% 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. Nebraska has 599 active community water systems, 49% of the state's 1,226 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,095 Nebraska systems (89%) list groundwater as their primary source.
Who owns and regulates City of Cozad?
EPA lists City of Cozad as owned by a local government. The NE state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 35 active systems in Dawson County (23%) are also owned by a local government.
Does City of Cozad have drinking water violations?
EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in August 2015. The violations listed here began between October 1999 and August 2015. By type: 4 contaminant level above the legal limit, 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2015-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 6 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 Cozad: frequently asked questions
Who runs City of Cozad?
City of Cozad (PWSID NE3104701) is a community water system owned by a local government. It is regulated by the NE state drinking water program.
How many people does City of Cozad serve?
City of Cozad reports serving 3,915 people through 1,683 service connections in Dawson County, Nebraska.
Where does City of Cozad get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does City of Cozad have any drinking water violations?
EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in August 2015. 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 Cozad'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 6 violations for this system; 4 are health-based, and the most recent began in August 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the NE state drinking water program.
Where can I find City of Cozad's water quality report?
As a community water system, City of Cozad 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 Dawson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lexington, City of | Dawson | 10,348 | Community | Groundwater |
| Gothenburg, City of | Dawson | 3,578 | Community | Groundwater |
| Overton, Village of | Dawson | 600 | Community | Groundwater |
| The Crossing at Lexington | Dawson | 499 | Transient non-community | Groundwater |
| Sumner, Village of | Dawson | 220 | Community | Groundwater |
| Bayer Gothenburg Facility | Dawson | 202 | Non-transient non-community | 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, “Cozad, City of, PWSID NE3104701, Nebraska”, https://aquacensus.com/water-systems/nebraska/cozad-city-of-ne3104701 (data as of October 1, 2026).