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D
35

Poor Water Quality

Decatur, IL 62521

Macon County · Population served: 89,805

Water Systems Serving This Area

🏔
DECATUR
Surface water · Pop. 76,122
PWSID: IL1150150
🏔
MOUNT ZION
Surface water · Pop. 5,833
PWSID: IL1150350
🌊
LONG CREEK TOWNSHIP PWS
Groundwater · Pop. 7,850
PWSID: IL1155150

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
23.3
15 ppb 1 ppb Exceeded

PFAS / Forever Chemicals

1 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA3.4 pptNo standard—Unregulated

Violation History (Last 5 Years)

28Total (5yr)
22Health-Based
4Major