PlainWater

Community Water System · PWS NE3107906

Cairo, Village Of

Cairo, Nebraska 68824-0456 - drinking water served from groundwater sources to 785 people, tracked in EPA SDWIS and UCMR5.

785
People served
48
EPA violations
40
Health-based
Untested
UCMR5 result

The verdict

EPA records 48 drinking-water violations at Cairo, Village Of, 83% of them health-based - above the Nebraska per-system average.

48
Total EPA violations on record
83%
Health-based (MCL / treatment failure)
785
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cairo, Village Of

Cairo, Village Of is a local-owned community water system that delivers drinking water to 785 residents in Cairo, Nebraska (Hall County) through 358 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 48 total violations for this system , of which 40 (83%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 33 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Nebraska, EPA tracks 1,309 public water systems serving 1,798,088 people, with 49,989 cumulative violations and 32,716 health-based violations on record. About 89% of systems in the state carry at least one violation, and state-wide the average per system is 38.2 violations. Statewide, 52 of 53 UCMR5-tested systems have reported PFAS detections (98.1%).

Cairo, Village Of's 48 violations sit above the Nebraska average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
785
Total Violations
48
Health-Based Violations
40
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
358
County
Hall
School/Daycare
No
MCL Violations
40
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 33 2015
Lead and Copper Rule MR 4 1994
Coliform (TCR) MR 4 2013
Arsenic MCL 4 2015
1,2-Dichloroethane MCL 3 1990

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Cairo, Village Of.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NE3107906 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Nebraska Drinking Water Authority

Nebraska's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NE regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2015 Coliform (TCR) MCL 33 SDWIS / NE3107906 / 3100
2015 Arsenic MCL 4 SDWIS / NE3107906 / 1005
2013 Coliform (TCR) MR 4 SDWIS / NE3107906 / 3100
1994 Lead and Copper Rule MR 4 SDWIS / NE3107906 / 5000
1990 1,2-Dichloroethane MCL 3 SDWIS / NE3107906 / 2980

How Cairo, Village Of Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Cairo, Village Of Nebraska avg Federal benchmark
Total violations 48 38.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 40 25 Indicates a contaminant exceeded a federal MCL
PFAS detection None 98.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 785 1,374 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,309 regulated public water systems in Nebraska.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Cairo, Village Of water safe to drink?
Cairo, Village Of (PWS ID: NE3107906) has 48 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 785 people using Groundwater sources.
How many people does Cairo, Village Of serve?
Cairo, Village Of serves 785 people in Cairo, Nebraska. It is a Local-owned system using Groundwater water sources with 358 service connections.
What type of violations does Cairo, Village Of have?
Cairo, Village Of has 48 total violations: 40 health-based violations (MCL exceedances or treatment failures), 8 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cairo, Village Of water?
No PFAS testing data is available for Cairo, Village Of under the EPA's UCMR5 monitoring program.
What water source does Cairo, Village Of use?
Cairo, Village Of uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.