Public water system · NE3150505
ActiveNebraska Public Power District - Cooper
At a glance
Nebraska Public Power District - Cooper (PWSID NE3150505) is an active non-transient non-community water system in Nemaha County, Nebraska. It reports serving 600 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; all are health-based, and the most recent began in May 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
600
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Nebraska Public Power District - Cooper compare with other water systems in Nemaha County?
By EPA's size categories, Nebraska Public Power District - Cooper is a small system (501 to 3,300 people). Nemaha County has 11 active public water systems, and Nebraska Public Power District - Cooper is the 4th-largest of them by population served. Its population served is about 12% below the county average of 683 people per system, and accounts for 8% of the 7,513 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 Nebraska Public Power District - Cooper is about 40% 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 Nebraska Public Power District - Cooper?
EPA lists Nebraska Public Power District - Cooper as privately owned. 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 11 active systems in Nemaha County (9.1%) are also privately owned.
Does Nebraska Public Power District - Cooper have drinking water violations?
EPA's records list 4 violations for this system; all are health-based, and the most recent began in May 1993. The violations listed here began between April 1991 and May 1993. By type: 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1993-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 4 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.
Nebraska Public Power District - Cooper: frequently asked questions
Who runs Nebraska Public Power District - Cooper?
Nebraska Public Power District - Cooper (PWSID NE3150505) is a non-transient non-community water system privately owned. It is regulated by the NE state drinking water program.
How many people does Nebraska Public Power District - Cooper serve?
Nebraska Public Power District - Cooper reports serving 600 people through 1 service connection in Nemaha County, Nebraska.
Where does Nebraska Public Power District - Cooper 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 Nebraska Public Power District - Cooper have any drinking water violations?
EPA's records list 4 violations for this system; all are health-based, and the most recent began in May 1993. 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 Nebraska Public Power District - Cooper'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 4 violations for this system; all are health-based, and the most recent began in May 1993. For current results, consult EPA ECHO, or the NE state drinking water program.
Where can I find Nebraska Public Power District - Cooper's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Nebraska Public Power District - Cooper 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 Nemaha County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Auburn, City of | Nemaha | 3,478 | Community | Groundwater under influence of surface water |
| Nemaha Co Rwd #2 | Nemaha | 1,011 | Community | Groundwater |
| Peru, City of | Nemaha | 650 | Community | Purchased groundwater under influence |
| Nemaha Co Rwd 1 | Nemaha | 600 | Community | Groundwater |
| Duck Creek Recreation Area | Nemaha | 400 | Transient non-community | Groundwater |
| Johnson, Village of | Nemaha | 328 | 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, “Nebraska Public Power District - Cooper, PWSID NE3150505, Nebraska”, https://aquacensus.com/water-systems/nebraska/nebraska-public-power-district-cooper-ne3150505 (data as of October 1, 2026).