CENTRALIA, Illinois Tap Water Quality

30,242 people served · 13 water systems

Excellent

CENTRALIA, Illinois is a small city with 30,242 residents served by a network of 13 public water systems. Water service covers ZIP code 62801.

CENTRALIA's drinking water utilities have maintained full EPA compliance over the most recent five-year reporting window — no health-based MCL exceedances have been recorded.

Last updated: 2026-05-18 · Source: EPA SDWIS

Location

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Centered on ZIP-code centroids of water systems serving this city.

ZIP Codes Served

62801

Health-Based Violations (Last 5 Years)

EPA Maximum Contaminant Level exceedances reported by water systems serving CENTRALIA. Each entry explains the contaminant, the health risk, and recommended precautions, and links to a full guide.

✅

No health-based violations in the last 5 years.

CENTRALIA's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.

Water Systems Serving CENTRALIA

IRVINGTON

PWSID: IL1890250

1,081 served

CARLYLE SOUTHWEST PWD

PWSID: IL0275120

1,815 served

JUNCTION CITY

PWSID: IL1210200

494 served

WALNUT HILL

PWSID: IL1210600

1,180 served

WAMAC

PWSID: IL1214920

1,030 served

W G MURRAY DEVELOPMENT CENTER

PWSID: IL1215510

290 served

CENTRALIA

PWSID: IL1214220

12,182 served

HOYLETON RWC

PWSID: IL1895400

1,020 served

CLINTON COUNTY EAST PWD

PWSID: IL0275150

1,980 served

HOYLETON

PWSID: IL1890200

658 served

HOYLETON-NEW MINDEN

PWSID: IL1895500

35 served

RACCOON WATER COMPANY

PWSID: IL1215100

7,080 served

CENTRALIA CORRECTIONAL SITE

PWSID: IL0275600

1,397 served

What Can You Do?

✅ Request your utility's annual Consumer Confidence Report (CCR) — required by law.
✅ Use an NSF-certified water filter if violations involve lead, arsenic, or PFAS.
✅ Run cold water for 30 seconds before drinking if you have older plumbing (reduces lead).
✅ Check back monthly — we update data from the EPA every 30 days.

About this data

This overview reflects EPA SDWIS data published as of 2026-05-18. It covers active Community Water Systems (CWS) that remained within federal Maximum Contaminant Levels during the past five-year EPA reporting window. For up-to-the-minute information, request a current Consumer Confidence Report from your utility, or review the EPA's public dashboard.

Frequently Asked Questions

Is CENTRALIA, Illinois tap water safe to drink?▼

This city's water had no EPA health-based violations in the last 5 years.

How many EPA violations does CENTRALIA have?▼

CENTRALIA has 0 EPA health-based water violations in the last 5 years across 13 water systems serving 30,242 people.

Should I use a water filter in CENTRALIA?▼

Using an NSF-certified water filter is recommended if your area has violations involving lead, arsenic, or PFAS. For other contaminants, consult your local water utility. Check the annual Consumer Confidence Report (CCR) for detailed guidance.

What should I do if there are violations in CENTRALIA?▼

Request your water utility's annual Consumer Confidence Report (CCR), which is required by the EPA. Follow the utility's guidance on boil water advisories. Run cold water for 30 seconds before drinking if you have older plumbing. Use an NSF-certified filter if needed based on your water system's violations.