A
98

Excellent Water Quality

Opdyke, IL 62872

Jefferson County · Population served: 5,483 · Data updated March 2026

Water Systems Serving This Area

🏔
NORTHEAST MOUNT VERNON WATER COMPANY
Surface water · Pop. 5,483
PWSID: IL0810010

PFAS / Forever Chemicals

1 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBA5.7 pptNo standard500 pptUnregulated

Water Quality Summary

Understanding Your Water in Opdyke

Tap water quality in Opdyke, Illinois (62872) receives an overall grade of A (Excellent) with a score of 98 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 24 points above the Illinois state average of 74. Compared to the national average (75), this area performs significantly better. The area is served by Northeast Mount Vernon Water Company, a surface water system providing water to approximately 5,483 people. PFAS testing detected 1 compound, all currently below EPA limits. The area has a clean violation record over the past 5 years — a positive indicator of consistent water quality management.

Your Score 98/100 A
vs State 24 pts above Illinois avg (74)
vs National 23 pts above national avg (75)

What a Grade A Means

A score of 98/100 means the water supply in Opdyke, IL meets or exceeds all EPA standards with minimal issues. Contaminant levels are well within safe limits, and the water system has maintained a strong compliance record. While no water supply is guaranteed perfect at the tap due to household plumbing, this is among the best-scoring areas in the country.

Surface water: sourced from rivers, lakes, or reservoirs

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Opdyke, Illinois receives a grade of A (Excellent) with a score of 98/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 62872 is served by 1 water system using surface water sources, providing water to approximately 5,483 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

No lead data is currently available for ZIP code 62872. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

1 PFAS compound were detected in water serving Opdyke, Illinois, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Opdyke, Illinois have zero violations in the last 5 years. This is a positive indicator of consistent regulatory compliance and water quality management.

Based on detected contaminants (PFAS), residents in Opdyke, Illinois should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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