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Hartington, NE Tap Water Quality 2026

Water quality report for Hartington, NE — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Hartington's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Cedar-Knox Rural Water Project PWSID: NE3120303 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 0.65 ppb, 4% of the action level and no violations are open. PFAS has never been sampled at this system.

C

Hartington earns a C for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 0.65 ppb — 4% of the federal action level
PFAS never sampled at this system
22 violations since 2015, 19 health-based
No violations currently open
Hartington's lead level vs. all Nebraska community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 0.65 ppb — 4% of the federal action level
✓ Lower lead than 93% of Nebraska utilities
Population Served
1079
~898 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
22 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
4% of EPA action level
0.65 ppb
Action level: 15 ppb
The 90th-percentile lead result is 0.65 ppb, 4% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2025 Archived
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Unaddressed
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2019 Archived
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2019 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2018 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.103 MG/L 0.080 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.111 MG/L 0.080 mg/L 2017 Archived
TTHM MCL EXCEEDANCE 0.115 MG/L 0.080 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.105 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.062 MG/L 0.060 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

22 violations are on record since 2015, of which 19 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Cedar-Knox Rural Water Project
PWSID NE3120303
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,079
Service connections 898
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Hartington tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 0.65 ppb, 4% of the action level.
Does Hartington water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Hartington? ▼
Cedar-Knox Rural Water Project (PWSID NE3120303), one of 2 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-10-24. Inspectors recorded 2 significant deficiencies.

What Should Hartington Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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