Public water system · NE3150360
ActiveJefferson Co Dist 300 - Tri-County
At a glance
Jefferson Co Dist 300 - Tri-County (PWSID NE3150360) is an active non-transient non-community water system in Jefferson County, Nebraska. It reports serving 500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Jefferson Co Dist 300 - Tri-County compare with other water systems in Jefferson County?
By EPA's size categories, Jefferson Co Dist 300 - Tri-County is a very small system (500 people or fewer). Jefferson County has 16 active public water systems, and Jefferson Co Dist 300 - Tri-County is the 3rd-largest of them by population served. Its population served is roughly in line with the county average of 461 people per system, and accounts for 6.8% of the 7,375 people reported by systems filed under the county. Across Nebraska, the 1,226 active systems average 1,472 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Jefferson Co Dist 300 - Tri-County is about 16% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Nebraska has 138 active non-transient non-community water systems, 11% 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 Jefferson Co Dist 300 - Tri-County?
EPA lists Jefferson Co Dist 300 - Tri-County 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. 12 of the 16 active systems in Jefferson County (75%) are also owned by a local government.
Does Jefferson Co Dist 300 - Tri-County have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2018. The violations listed here began between July 1994 and October 2018. By type: 2 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Total coliform bacteria (TCR) and Lead and Copper Rule. EPA lists 3 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 |
|---|---|---|---|---|
| 2018-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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.
Jefferson Co Dist 300 - Tri-County: frequently asked questions
Who runs Jefferson Co Dist 300 - Tri-County?
Jefferson Co Dist 300 - Tri-County (PWSID NE3150360) is a non-transient non-community water system owned by a local government. It is regulated by the NE state drinking water program.
How many people does Jefferson Co Dist 300 - Tri-County serve?
Jefferson Co Dist 300 - Tri-County reports serving 500 people through 1 service connection in Jefferson County, Nebraska.
Where does Jefferson Co Dist 300 - Tri-County 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 Jefferson Co Dist 300 - Tri-County have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2018. 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 Jefferson Co Dist 300 - Tri-County'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 3 violations for this system; none is health-based, and the most recent began in October 2018. For current results, consult EPA ECHO, or the NE state drinking water program.
Where can I find Jefferson Co Dist 300 - Tri-County's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Jefferson Co Dist 300 - Tri-County is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fairbury, City of | Jefferson | 3,707 | Community | Groundwater under influence of surface water |
| Little Blue Nrd Rwd 1 | Jefferson | 1,580 | Community | Purchased groundwater under influence |
| Plymouth, Village of | Jefferson | 400 | Community | Groundwater |
| Diller, Village of | Jefferson | 269 | Community | Groundwater |
| Jefferson Co Dist 303 - Meridian | Jefferson | 250 | Non-transient non-community | Groundwater |
| Daykin, Village of | Jefferson | 153 | 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, “Jefferson Co Dist 300 - Tri-County, PWSID NE3150360, Nebraska”, https://aquacensus.com/water-systems/nebraska/jefferson-co-dist-300-tri-county-ne3150360 (data as of October 1, 2026).