States ›Iowa ›Crawford County ›Deloit

Deloit, IA Tap Water Quality 2026

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

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

Main Utility: Deloit Muni Water Supply PWSID: IA2421025 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 0.30 ppb, 2% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Deloit earns a B for water quality

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

Lead: 0.30 ppb — 2% of the federal action level
PFAS never sampled at this system
5 violations since 2015, 0 health-based
No violations currently open
Deloit's lead level vs. all Iowa community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 0.30 ppb — 2% of the federal action level
✓ Lower lead than 100% of Iowa utilities
Population Served
231
~118 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
5 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
2% of EPA action level
0.30 ppb
Action level: 15 ppb
The 90th-percentile lead result is 0.30 ppb, 2% 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
Consumer Confidence Rule OTHER — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
Consumer Confidence Rule OTHER — — 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2019 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2019 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

5 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 Deloit Muni Water Supply
PWSID IA2421025
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 231
Service connections 118
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Deloit tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 0.30 ppb, 2% of the action level.
Does Deloit 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 Deloit? ▼
Deloit Muni Water Supply (PWSID IA2421025). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-10-01. No significant deficiencies were recorded.

What Should Deloit 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.

Nearby Cities in Iowa

Denison, Ia Tap Water Quality 2026 Crawford Schleswig, Ia Tap Water Quality 2026 Crawford Manilla, Ia Tap Water Quality 2026 Crawford Charter Oak, Ia Tap Water Quality 2026 Crawford Dow City, Ia Tap Water Quality 2026 Crawford Vail, Ia Tap Water Quality 2026 Crawford