Water Quality in Decatur, IL (62521)
EPA violation data for public water systems serving ZIP code 62521.
No Health-Based Violations
None of the 40 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are10 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 67% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
32,665
Population
40
Water Systems
10
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (40)
Decatur
All resolvedLong Creek Township Pws
Polar Products Inc-Plant
Hyde Park Mhp
Salem-Baptist Church
Surf Club
Faith Baptist Church
I And M Oasis
Gretsco Properties
Rock Springs Visitor Center
Friendly Package
The New Back Door
Lincoln Trail Homestead Park
Culligan Water Conditioning
Bath Inc
The Anchor Inn
Hickory Point Golf Course
The Micar Company
Ft Daniel Conservation Area
Macon Co Cons Dist Maintenance Shed
Macon Co Conservation Dist Hq
Camp Robert Faries
Stewart Bros Packing Co
Antioch Grill
Polar Water Vending Unit 4
Polar Water Vending Unit #7
Whitmore Park
Hickory Point Restaurant
Hentons Campground
Four Winds Trailer Sales
Polar Water Vending Unit #5
Antioch Grill
Polar Vending Unit #3
Raspberry Room
Polar Water Vending Unit #6
Polar Vending Unit #1
Stewart Bros Packing Co
Ace Hardware
Snack Shack I
Laplace
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Decatur (62521) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.