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Libertyville, IA Tap Water Quality 2026

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

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

Main Utility: Rathbun Regional Water Assn (rathbun) PWSID: IA0400900 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Libertyville earns a B for water quality

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

Lead: not detected
PFAS sampled, too few results to judge
31 violations since 2015, 0 health-based
No violations currently open
Libertyville's lead level vs. all Iowa community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Iowa utilities
Population Served
137
~13190 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
31 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
LASSO MONITORING AND REPORTING — — 2020–2023 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020–2023 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2020–2023 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020–2023 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020–2023 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020–2023 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2020–2023 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020–2023 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2020–2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2020–2023 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2020–2023 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2020–2023 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2020–2023 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2020–2023 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2020–2023 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2020–2023 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2020–2023 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2020–2023 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2020–2023 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2020–2023 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2020–2023 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2020–2023 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2020–2023 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2020–2023 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2020–2023 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2020–2023 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2020–2023 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2020–2023 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2020–2023 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2020–2023 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2020–2023 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

31 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Rathbun Regional Water Assn (Rathbun)
PWSID IA0400900
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 137
Service connections 13,190
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Libertyville tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Libertyville water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Libertyville? ▼
Rathbun Regional Water Assn (Rathbun) (PWSID IA0400900), 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 2023-06-27. No significant deficiencies were recorded.

What Should Libertyville 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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