Good Water Quality
Water Quality Summary
Tap water quality in Mokena, Illinois (60448) receives an overall grade of B (Good) with a score of 76 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the Illinois state average of 74. The area is served by 2 water systems providing water to approximately 44,430 people, using surface water sources.
A score of 76/100 means the water in Mokena, 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.
Common Questions
Based on EPA data, tap water in Mokena, Illinois receives a grade of B (Good) with a score of 76/100. 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 60448 is served by 2 water systems using surface water sources, providing water to approximately 44,430 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 60448. 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 Mokena, 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 Mokena, Illinois have received 9 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.
Water in Mokena, 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.