Public water system · NE3105517
ActiveWaterloo, Village of
At a glance
Village of Waterloo (PWSID NE3105517) is an active community water system in Douglas County, Nebraska. It reports serving 962 people through 275 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
962
Service connections
275
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Village of Waterloo compare with other water systems in Douglas County?
By EPA's size categories, Village of Waterloo is a small system (501 to 3,300 people). Douglas County has 26 active public water systems, and Village of Waterloo is the 4th-largest of them by population served. Its population served is well below the county average of 25,826 people per system, and accounts for 0.1% of the 671,472 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 Waterloo 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 surface water means the system buys surface water from another public water system rather than drawing its own. 27 Nebraska systems (2.2%) list purchased surface water as their primary source.
Who owns and regulates Village of Waterloo?
EPA lists Village of Waterloo 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 26 active systems in Douglas County (42%) are also owned by a local government.
Does Village of Waterloo have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between October 1991 and October 2024. By type: 6 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 as resolved and 1 as archived. 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. 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 |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2019-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2001-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 7 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 Waterloo: frequently asked questions
Who runs Village of Waterloo?
Village of Waterloo (PWSID NE3105517) 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 Waterloo serve?
Village of Waterloo reports serving 962 people through 275 service connections in Douglas County, Nebraska.
Where does Village of Waterloo get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Village of Waterloo have any drinking water violations?
EPA's records list 7 violations for this system; none is 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 Waterloo'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 7 violations for this system; none is 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 Waterloo's water quality report?
As a community water system, Village of Waterloo 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 Douglas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Metropolitan Utilities District | Douglas | 660,000 | Community | Surface water |
| Valley, City of | Douglas | 3,294 | Community | Groundwater |
| Valmont Industries, Inc. | Douglas | 2,000 | Non-transient non-community | Groundwater |
| Maplewood Estates Mobile Home Park | Douglas | 805 | Community | Purchased surface water |
| Meadowbrook Estates Water System | Douglas | 675 | Community | Purchased surface water |
| Douglas Co Sid 303 - Skyline Woods | Douglas | 450 | 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, “Waterloo, Village of, PWSID NE3105517, Nebraska”, https://aquacensus.com/water-systems/nebraska/waterloo-village-of-ne3105517 (data as of October 1, 2026).