Opdyke
IL · CDP

Is Opdyke, IL Tap Water Safe to Drink?

Opdyke, 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.

1Water system
1ZIP codes
0%ZIPs above EPA guideline
Metro areaMount Vernon, IL
Latest data2025-11-03

Where Does Opdyke Get Its Water?

Water in Opdyke, IL is provided by 1 public water system: NORTHEAST MOUNT VERNON WATER COMPANY.

How Is Opdyke Tap Water Treated?

Treated water is disinfected using calcium hypochlorite and free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration), granular activated carbon filtration, membrane filtration and slow sand filtration.

What's in Opdyke Tap Water?

The following contaminants were detected most frequently in Opdyke public water systems. All detected levels fall at or below EPA health guidelines in this dataset.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 9 µg/L 0 ZIPs Within guideline
PFTrDA 0.007 µg/L 0 ZIPs Within guideline
PFBA 0.0057 µg/L 1 ZIP 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 Opdyke

Current EPA monitoring data for Opdyke 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.

Under-sink RO system

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 Opdyke Tap Water

Is Opdyke tap water safe to drink?

Opdyke 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 Opdyke tap water?

The most commonly detected contaminants in Opdyke water systems include: lithium, PFTrDA, PFBA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Opdyke get its drinking water?

Opdyke receives water from one public water system, including NORTHEAST MOUNT VERNON WATER COMPANY.

Do I need a water filter in Opdyke?

Current data does not show guideline exceedances in Opdyke. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.

How often is Opdyke tap water tested?

Public water systems in Opdyke 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 2025-11-03.

Tap water reports by ZIP in Opdyke

Water utilities serving Opdyke, 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.

Modeled boundaries are shown with a dashed outline. Outlines appear when service-area boundary data is available for this ZIP.

Also covers / overlaps with