B
80

Good Water Quality

Cherry Valley, IL 61016

Winnebago County · Population served: 4,731 · Data updated March 2026

Water Systems Serving This Area

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CHERRY VALLEY
Groundwater · Pop. 4,731
PWSID: IL2010050

Violation History (Last 5 Years)

9Total (5yr)
6Health-Based
0Major

Water Quality Summary

Understanding Your Water in Cherry Valley

Tap water quality in Cherry Valley, Illinois (61016) receives an overall grade of B (Good) with a score of 80 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 6 points above the Illinois state average of 74. The area is served by Cherry Valley, a groundwater system providing water to approximately 4,731 people. Over the past 5 years, water systems here have accumulated 9 violations, including 6 health-based violations.

Your Score 80/100 B
vs State 6 pts above Illinois avg (74)
vs National 5 pts above national avg (75)

What a Grade B Means

A score of 80/100 means the water in Cherry Valley, IL is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Cherry Valley, Illinois receives a grade of B (Good) with a score of 80/100. 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 61016 is served by 1 water system using groundwater sources, providing water to approximately 4,731 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

No lead data is currently available for ZIP code 61016. 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.

No PFAS ("forever chemicals") were detected in water systems serving Cherry Valley, 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 Cherry Valley, Illinois have received 9 violations in the last 5 years, including 6 health-based violations. 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.

Water in Cherry Valley, Illinois shows no major contaminant concerns based on available data. A basic carbon filter can improve taste and reduce chlorine. For extra peace of mind, an NSF-certified pitcher filter or faucet-mount filter provides an affordable layer of protection.

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