JOHNSON CO RWD 1
PWS ID: NE3109704 · TECUMSEH, Nebraska 68450-0659
JOHNSON CO RWD 1 serves 977 people in TECUMSEH, Nebraska using Groundwater water sources. It has 16 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: JOHNSON CO RWD 1
JOHNSON CO RWD 1 is a local-owned community water system that delivers drinking water to 977 residents in TECUMSEH, Nebraska (Johnson County) through 648 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 16 total violations for this system , of which 11 (69%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 5 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.
The most frequently cited contaminant at this system is Coliform (TCR), recorded in 11 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. JOHNSON CO RWD 1's 16 violations sit below the Nebraska average. Statewide, 52 of 53 UCMR5-tested systems have reported PFAS detections (98.1%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 648
- County
- Johnson
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 5
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 11 | 2005 |
| Lead and Copper Rule | MR | 4 | 2024 |
| Coliform (TCR) | MR | 1 | 1993 |
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 JOHNSON CO RWD 1.
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 NE3109704 on SDWISSource: EPA SDWIS Federal Reports Search
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 SDWISViolation 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 |
|---|---|---|---|---|
| 2024 | Lead and Copper Rule | MR | 4 | SDWIS / NE3109704 / 5000 |
| 2005 | Coliform (TCR) | MCL | 11 | SDWIS / NE3109704 / 3100 |
| 1993 | Coliform (TCR) | MR | 1 | SDWIS / NE3109704 / 3100 |
How JOHNSON CO RWD 1 Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | JOHNSON CO RWD 1 | Nebraska avg | Federal benchmark |
|---|---|---|---|
| Total violations | 16 | 38.2 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 11 | 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 | 977 | 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 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
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