Chillicothe notifies residents of elevated contaminants in water supply
Recent testing of the Chillicothe Community Water System in Illinois detected elevated concentrations of two PFAS compounds (PFOS and PFHxS) significantly exceeding potable groundwater quality standards. PFOS was found at 33 parts per trillion (ppt) against a 4 ppt standard, and PFHxS at 40 ppt against a 10 ppt standard, prompting a required right-to-know notice for residents. The Illinois EPA recommends the use of a filtration system.
- Location
- Chillicothe, Illinois
- Country
- 🇺🇸 USA
- Start
- 01/08/2026, 02:00
- End
- Ongoing
- Event type
- Chemical contamination, Limit exceeded
- Status
- Active
- Region
- Illinois
- Last updated
Timeline
- · Alert first recorded
- · Start according to source
- · Record last updated
What to do now
- 1Do not drink tap water, boiling does not remove chemicals.
- 2Use bottled water or verified alternative supply.
- 3Activated carbon or reverse osmosis filters can help, not every filter is suitable.
- 4Follow official guidance on showering and washing.
Sources
This summary was generated automatically. For binding information consult the linked source.
Follow this alert
Get notified as soon as this alert is updated or the boil water advisory is lifted.
Reverse osmosis BE WA3: against PFAS, pesticides and heavy metals
Cuts chemical loads such as PFAS, nitrate, lead and pesticides by up to 99 percent. Boiling does not help here.
Get alerts
New alerts from your country straight to your device. Unsubscribe anytime.
Push notifications directly in Telegram. Fast, free, cancel anytime with /stop.
Open Telegram botPress "Start" in the bot. Pick language and countries there.
We only store your email and selected country. No spam.