Is Okawville, IL Tap Water Safe to Drink?
Okawville, 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 Okawville Get Its Water?
Water in Okawville, IL is provided by 1 public water system: WASHINGTON COUNTY WATER COMPANY.
How Is Okawville Tap Water Treated?
Treated water is disinfected using free chlorine and calcium hypochlorite and chloramines and on-site generated disinfectant. Treatment includes conventional treatment (coagulation, flocculation, and filtration), granular activated carbon filtration, in-line filtration, membrane filtration, post-ozone biofiltration and slow sand filtration.
What's in Okawville Tap Water?
The following contaminants were detected most frequently in Okawville 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 ZIPs | Within guideline |
| PFBA | 0.0059 µg/L | — | 1 ZIP | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Okawville
Current EPA monitoring data for Okawville 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 Okawville Tap Water
Is Okawville tap water safe to drink?
Okawville 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 Okawville tap water?
The most commonly detected contaminants in Okawville water systems include: lithium, PFTrDA, PFBA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Okawville get its drinking water?
Okawville receives water from one public water system, including WASHINGTON COUNTY WATER COMPANY.
Do I need a water filter in Okawville?
Current data does not show guideline exceedances in Okawville. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Okawville tap water tested?
Public water systems in Okawville 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 2025-02-05.
Tap water reports by ZIP in Okawville
- 62271 - Okawville tap water report Some concern
Water utilities serving Okawville, 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.
- WASHINGTON COUNTY WATER COMPANYLooks OK
Also covers / overlaps with
- Covington, IL · Township
- Plum Hill, IL · Township
- Venedy, IL · Township