Is Mendon, IL Tap Water Safe to Drink?
Mendon, IL tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.
Where Does Mendon Get Its Water?
Water in Mendon, IL is provided by 3 public water systems: MENDON, ABS WATER COOP and DALLAS RURAL WATER DISTRICT.
How Is Mendon Tap Water Treated?
Treated water is disinfected using calcium hypochlorite and chloramines and free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration) and groundwater disinfection.
What's in Mendon Tap Water?
The following contaminants were detected most frequently in Mendon public water systems. All detected levels fall at or below EPA health guidelines in this dataset.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | 0.007 µg/L | 1 ZIP | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 8:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Mendon
Current EPA monitoring data for Mendon shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.
Best Broad-Spectrum Filters for This Water Profile
This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Mendon Tap Water
Is Mendon tap water safe to drink?
Mendon tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.
What contaminants are in Mendon tap water?
The most commonly detected contaminants in Mendon water systems include: lithium, PFTrDA, PFBA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Mendon get its drinking water?
Mendon receives water from 3 public water systems, including MENDON.
Do I need a water filter in Mendon?
Current data does not show guideline exceedances in Mendon. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Mendon tap water tested?
Public water systems in Mendon are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-07-09.
Tap water reports by ZIP in Mendon
- 62351 - Mendon tap water report Some concern
Water utilities serving Mendon, IL
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- MENDONSome concern
Also covers / overlaps with
- Honey Creek, IL · Township
- Keene, IL · Township
- Lima, IL · Township