PlainWater
States → Nebraska

Community Water System · PWS NE3102519

Cass Co Sid #1 - Lake WA-Con-Da Village

Union, Nebraska 68455 - drinking water served from groundwater sources to 420 people, tracked in EPA SDWIS and UCMR5.

420
People served
113
EPA violations
55
Health-based
Untested
UCMR5 result

The verdict

EPA records 113 drinking-water violations at Cass Co Sid #1 - Lake WA-Con-Da Village, 49% of them health-based - above the Nebraska per-system average.

113
Total EPA violations on record
49%
Health-based (MCL / treatment failure)
420
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cass Co Sid #1 - Lake WA-Con-Da Village

Cass Co Sid #1 - Lake WA-Con-Da Village is a local-owned community water system that delivers drinking water to 420 residents in Union, Nebraska (Cass County) through 207 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 113 total violations for this system , of which 55 (49%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 47 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 55 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%).

Cass Co Sid #1 - Lake WA-Con-Da Village's 113 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
420
Total Violations
113
Health-Based Violations
55
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
207
County
Cass
School/Daycare
No
MCL Violations
55
Monitoring Violations
47
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 55 2009
Coliform (TCR) MR 39 2013
Consumer Confidence Rule Other 8 2002
Total Haloacetic Acids (HAA5) MR 4 2004
TTHM MR 4 2004
Public Notice Other 2 2004
Coliform (TCR) Other 1 1995

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 Cass Co Sid #1 - Lake WA-Con-Da Village.

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 NE3102519 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
2013 Coliform (TCR) MR 39 SDWIS / NE3102519 / 3100
2009 Coliform (TCR) MCL 55 SDWIS / NE3102519 / 3100
2004 Total Haloacetic Acids (HAA5) MR 4 SDWIS / NE3102519 / 2456
2004 TTHM MR 4 SDWIS / NE3102519 / 2950
2004 Public Notice Other 2 SDWIS / NE3102519 / 7500
2002 Consumer Confidence Rule Other 8 SDWIS / NE3102519 / 7000
1995 Coliform (TCR) Other 1 SDWIS / NE3102519 / 3100

How Cass Co Sid #1 - Lake WA-Con-Da Village Compares

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

Metric Cass Co Sid #1 - Lake WA-Con-Da Village Nebraska avg Federal benchmark
Total violations 113 38.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 55 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 420 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 Cass Co Sid #1 - Lake WA-Con-Da Village water safe to drink? ▼
Cass Co Sid #1 - Lake WA-Con-Da Village (PWS ID: NE3102519) has 113 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 420 people using Groundwater sources.
How many people does Cass Co Sid #1 - Lake WA-Con-Da Village serve? ▼
Cass Co Sid #1 - Lake WA-Con-Da Village serves 420 people in Union, Nebraska. It is a Local-owned system using Groundwater water sources with 207 service connections.
What type of violations does Cass Co Sid #1 - Lake WA-Con-Da Village have? ▼
Cass Co Sid #1 - Lake WA-Con-Da Village has 113 total violations: 55 health-based violations (MCL exceedances or treatment failures), 47 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cass Co Sid #1 - Lake WA-Con-Da Village water? ▼
No PFAS testing data is available for Cass Co Sid #1 - Lake WA-Con-Da Village under the EPA's UCMR5 monitoring program.
What water source does Cass Co Sid #1 - Lake WA-Con-Da Village use? ▼
Cass Co Sid #1 - Lake WA-Con-Da Village 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.

Read our methodology - how this data is sourced, computed, and verified.

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.