Public water system · NE3113101
ActiveUnadilla, Village of
At a glance
Village of Unadilla (PWSID NE3113101) is an active community water system in Otoe County, Nebraska. It reports serving 311 people through 165 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
311
Service connections
165
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Village of Unadilla compare with other water systems in Otoe County?
By EPA's size categories, Village of Unadilla is a very small system (500 people or fewer). Otoe County has 11 active public water systems, and Village of Unadilla is the 6th-largest of them by population served. Its population served is well below the county average of 1,316 people per system, and accounts for 2.1% of the 14,474 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 Village of Unadilla 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 88 Nebraska systems (7.2%) list purchased groundwater as their primary source.
Who owns and regulates Village of Unadilla?
EPA lists Village of Unadilla 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. 11 of the 11 active systems in Otoe County (100%) are also owned by a local government.
Does Village of Unadilla have drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2024. The violations listed here began between September 1998 and October 2024. By type: 9 contaminant level above the legal limit, 1 reporting, 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2012-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-10-01 | 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 |
| 1998-09-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | 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.
Village of Unadilla: frequently asked questions
Who runs Village of Unadilla?
Village of Unadilla (PWSID NE3113101) is a community water system owned by a local government. It is regulated by the NE state drinking water program.
How many people does Village of Unadilla serve?
Village of Unadilla reports serving 311 people through 165 service connections in Otoe County, Nebraska.
Where does Village of Unadilla 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 Village of Unadilla have any drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2024. 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 Village of Unadilla'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, 9 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NE state drinking water program.
Where can I find Village of Unadilla's water quality report?
As a community water system, Village of Unadilla 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 Otoe County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nebraska City, City of | Otoe | 7,414 | Community | Groundwater under influence of surface water |
| Otoe Co Rwd #3 | Otoe | 2,500 | Community | Groundwater |
| Syracuse, City of | Otoe | 1,962 | Community | Groundwater |
| Otoe Co Rwd 1 | Otoe | 714 | Community | Purchased groundwater under influence |
| Palmyra, Village of | Otoe | 567 | Community | Purchased groundwater |
| Otoe, Village of | Otoe | 288 | 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, “Unadilla, Village of, PWSID NE3113101, Nebraska”, https://aquacensus.com/water-systems/nebraska/unadilla-village-of-ne3113101 (data as of October 1, 2026).