Public water system · NE3106901
ActiveOshkosh, City of
At a glance
City of Oshkosh (PWSID NE3106901) is an active community water system in Garden County, Nebraska. It reports serving 809 people through 571 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 10 are health-based, and the most recent began in November 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
809
Service connections
571
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Oshkosh compare with other water systems in Garden County?
By EPA's size categories, City of Oshkosh is a small system (501 to 3,300 people). Garden County has 5 active public water systems, and City of Oshkosh is the largest of them by population served. Its population served is about 147% above the county average of 327 people per system, and accounts for 49% of the 1,635 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 Oshkosh 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. 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 Oshkosh?
EPA lists City of Oshkosh 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. 1 of the 5 active systems in Garden County (20%) are also owned by a local government.
Does City of Oshkosh have drinking water violations?
EPA's records list 11 violations for this system; 10 are health-based, and the most recent began in November 2019. The violations listed here began between September 1998 and November 2019. By type: 10 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Arsenic (5 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2019-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2018-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2016-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2014-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Uraniumcode 4006 | Yes | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1999-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 11 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 Oshkosh: frequently asked questions
Who runs City of Oshkosh?
City of Oshkosh (PWSID NE3106901) 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 Oshkosh serve?
City of Oshkosh reports serving 809 people through 571 service connections in Garden County, Nebraska.
Where does City of Oshkosh 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 Oshkosh have any drinking water violations?
EPA's records list 11 violations for this system; 10 are health-based, and the most recent began in November 2019. 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 Oshkosh'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 11 violations for this system; 10 are health-based, and the most recent began in November 2019. 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 Oshkosh's water quality report?
As a community water system, City of Oshkosh 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 Garden County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oregon Trail Corner Store LLC | Garden | 300 | Transient non-community | Groundwater |
| Ash Hollow Shp - Ng & Pc Non-Seasonal | Garden | 251 | Transient non-community | Groundwater |
| Ash Hollow Shp-Ng&P - Seasonal | Garden | 250 | Transient non-community | Groundwater |
| Oshkosh Country Club | Garden | 25 | Transient non-community | 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, “Oshkosh, City of, PWSID NE3106901, Nebraska”, https://aquacensus.com/water-systems/nebraska/oshkosh-city-of-ne3106901 (data as of October 1, 2026).