WaterQ
Illinois State Report All States
Official Status: March 2026

Is Montgomery tap water safe to drink?

⚠ Caution Advised
D

Use extra caution — Montgomery scores 38/100.

Safety Score
38
out of 100

Still not sure if you need a filter in Montgomery?

Read Decision Guide →

Montgomery

Illinois

View Illinois state report Data updated: Mar 2026

Is Montgomery tap water safe to drink?

Use extra caution — Montgomery scores 38/100. This report aggregates EPA drinking water data across 1 local system in Montgomery. We found 74 total violations (45 unresolved).

Real-Time Environment

Live: 12:15 AM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Montgomery.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Montgomery?

Requirement Status
Recommended
🟡
💡

Expert Advice

Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.

Buying a Filter?

Filtration technologies matched to Montgomery contaminant records.

→

Baby Formula Safety

Guidance on preparing infant formula using municipal tap water in Montgomery.

→

Homebuyer's Perspective

Municipal water quality in Montgomery directly influences pipe corrosion rates and home filtration needs. With a score of 38/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Montgomery

74
Violations (5yr)
45
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Montgomery.

Frequently Asked Questions

Is Montgomery tap water safe to drink?

Use extra caution — Montgomery scores 38/100.

How many water systems serve Montgomery?

Montgomery is served by 1 public water system in our latest EPA-backed dataset.

How can I check water quality for my exact address in Montgomery?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Montgomery.

What is the water quality score for Montgomery?

The water quality score for Montgomery is 38 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.

What are the top contaminants in Montgomery?

The top contaminants detected in Montgomery include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
38/100
Grade
F
Water Systems
1
Population
28,956

Montgomery Water Quality Summary

Montgomery, IL receives a water quality score of 38/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Montgomery's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

Montgomery's score of 38 is 28 points below the Illinois state average of 66, and below the nationwide average of roughly 78/100 across all U.S. states.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Illinois water quality rankings report →

Key Contaminants

Lead (90th percentile)
0.00521 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

Join the Montgomery updates waitlist

We are developing email updates. This form records your interest; automated violation and boil-water advisory emails are not active.

We will use your address to contact you if updates become available. See our Privacy Policy.

Water Systems Serving Montgomery (1)

Related

Compare Montgomery water quality: View all states · Contaminant library · How we score water quality