PlainWater

Transient Non-Community Water System · PWS NE3121270

Walmart Supercenter 4209

Oceanside, Nebraska 92056 - drinking water served from surface water sources to 25 people, tracked in EPA SDWIS and UCMR5.

25
People served
12
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 12 drinking-water violations at Walmart Supercenter 4209 - below the Nebraska per-system average.

12
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
25
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Walmart Supercenter 4209

Walmart Supercenter 4209 is a private-owned transient non-community water system that delivers drinking water to 25 residents in Oceanside, Nebraska (Otoe County) through 1 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 12 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 violations (MR). 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%).

Walmart Supercenter 4209's 12 violations sit below 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
25
Total Violations
12
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Otoe
School/Daycare
No
MCL Violations
0
Monitoring Violations
12
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2012

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 Walmart Supercenter 4209.

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 NE3121270 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
2012 Coliform (TCR) MR 12 SDWIS / NE3121270 / 3100

How Walmart Supercenter 4209 Compares

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

Metric Walmart Supercenter 4209 Nebraska avg Federal benchmark
Total violations 12 38.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 25 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 Walmart Supercenter 4209 water safe to drink?
Walmart Supercenter 4209 (PWS ID: NE3121270) has 12 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Surface Water sources.
How many people does Walmart Supercenter 4209 serve?
Walmart Supercenter 4209 serves 25 people in Oceanside, Nebraska. It is a Private-owned system using Surface Water water sources with 1 service connections.
What type of violations does Walmart Supercenter 4209 have?
Walmart Supercenter 4209 has 12 total violations: 0 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Walmart Supercenter 4209 water?
No PFAS testing data is available for Walmart Supercenter 4209 under the EPA's UCMR5 monitoring program.
What water source does Walmart Supercenter 4209 use?
Walmart Supercenter 4209 uses Surface Water as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.