D
49

Poor Water Quality

Vergennes, IL 62994

Jackson County · Population served: 1,411 · Data updated March 2026

Water Systems Serving This Area

🏔
ELVERADO WATER DISTRICT
Surface water · Pop. 763
PWSID: IL0770010
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VERGENNES
Surface water · Pop. 648
PWSID: IL0770550

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
95.0
15 ppb 1 ppb Exceeded

Violation History (Last 5 Years)

47Total (5yr)
0Health-Based
42Major

Water Quality Summary

Understanding Your Water in Vergennes

Tap water quality in Vergennes, Illinois (62994) receives an overall grade of D (Poor) with a score of 49 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 25 points below the Illinois state average of 74. Compared to the national average (75), this area scores significantly lower. The area is served by 2 water systems providing water to approximately 1,411 people, using surface water sources. Testing has found elevated levels of Lead that warrant attention. The area has 47 violations over the past 5 years, though none were classified as health-based.

Your Score 49/100 D
vs State 25 pts below Illinois avg (74)
vs National 26 pts below national avg (75)

What a Grade D Means

A score of 49/100 signals poor water quality in Vergennes, IL. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.

Surface water: sourced from rivers, lakes, or reservoirs

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Vergennes, Illinois receives a grade of D (Poor) with a score of 49/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 62994 is served by 2 water systems using surface water sources, providing water to approximately 1,411 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.

Yes — lead levels in Vergennes, Illinois are 95.0 ppb, which exceeds the EPA action level of 15 ppb. This is a serious concern. We strongly recommend using a certified lead-removal filter for all drinking and cooking water, and having your water independently tested.

No PFAS ("forever chemicals") were detected in water systems serving Vergennes, Illinois during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Vergennes, Illinois have received 47 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead), residents in Vergennes, Illinois should consider: NSF/ANSI 53 certified filter — specifically rated for lead reduction. Pitcher filters (like Brita Longlast or PUR) and under-sink systems both work. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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