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OSWEGO

Serving 2 cities in IL

Monitor
2 above health guidelines
38K
People Served
2
Cities
1
Water Sources
0
MCL Violations

Official OSWEGO Resources

OSWEGO Service Area

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Service Area

This map shows the approximate service area for OSWEGO. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

OSWEGO Water Quality Grade

B
Good

Water quality is good with minor concerns.

Quality Score80/100
2
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is OSWEGO Water Safe to Drink?

OSWEGO has reported 2 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 38,169 people across 2 cities in IL. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

Get your water independently tested in Illinois β†’

OSWEGO Service Area

OSWEGO Contact & Information

Mailing Address

100 PARKERS MILL Oswego, IL 60543

B2B Contact Data

B2B Contact Data Available

Contacts for OSWEGO

Updated Jan 2026
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NameTitlePhoneEmail
Jβ–ˆβ–ˆβ–ˆβ–ˆ Sβ–ˆβ–ˆβ–ˆβ–ˆWater Treatment Supervisor(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆjβ–ˆβ–ˆβ–ˆβ–ˆ@cityβ–ˆβ–ˆβ–ˆβ–ˆ.gov
Mβ–ˆβ–ˆβ–ˆβ–ˆ Jβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆUtility Director(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆmβ–ˆβ–ˆβ–ˆβ–ˆ@waterβ–ˆβ–ˆβ–ˆβ–ˆ.org
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Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

Not specified

Disinfectant Used

chloramines

OSWEGO Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for OSWEGO

Based on water quality data from cities served by OSWEGO, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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