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Counties → Illinois

Macon County, Illinois

Water Systems
25
Population Served
104,510
Total Violations
886
403 health-based
PFAS Detected
1
of 4 tested

Violation Analysis

84.0%
Systems with Violations
35.4
Avg Violations per System
45.5%
Health-Based Violations

Water Source Types

GW
16 systems (64%)
SW
9 systems (36%)

PFAS Contamination

4
Systems Tested
1
PFAS Detected
25.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Macon Illinois water systems by violation status, EPA SDWIS records.

No violations on record (4) One or more violations (21)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Decatur 76,122 99 Clean
Long Creek Township PWS 7,850 22 Clean
Mount Zion 5,833 159 Detected
Forsyth 3,490 12 Clean
Maroa 1,700 55 -
Harristown 1,320 34 -
Blue Mound 1,300 159 -
Warrensburg 1,230 50 -
Macon 1,205 10 -
Argenta 900 86 -
Oreana 892 20 -
Pride of the Prairie Rest Area 800 20 -
Ej Water-Niantic 648 58 -
Decatur MHP, LLC 500 35 -
Boody Community Water Company 232 19 -
Rock Springs Visitor Center 125 11 -
Culligan Water Conditioning 100 3 -
Ads Valley View Landfill, Inc 60 0 -
The Micar Company 53 24 -
Culligan at Wal-Mart-Maryland 25 0 -
Culligan at Wal-Mart-Prospect 25 0 -
Water Island Kroger Airport Pz 25 5 -
Glacier Water-Kroger South Shores 25 1 -
Kroger J-922 #2 25 0 -
Twice the Ice Decatur 25 4 -

Other Counties in Illinois

Cook County
427 systems · 5,304,996 served · 21,728 violations
DuPage County
207 systems · 861,775 served · 15,779 violations
Lake County
540 systems · 719,035 served · 33,311 violations
Will County
330 systems · 622,572 served · 37,818 violations
Kane County
191 systems · 592,544 served · 12,844 violations
McHenry County
307 systems · 271,051 served · 11,554 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Macon County? ▼
Macon County has 886 total drinking water violations across 25 water systems, of which 403 are health-based violations. 84.0% of systems have at least one violation.
How many people get water from Macon County systems? ▼
Water systems in Macon County serve approximately 104,510 people through 25 public water systems.
Has PFAS been detected in Macon County water? ▼
Of 4 water systems tested for PFAS in Macon County, 1 had PFAS detected (25.0% detection rate).
What types of water sources supply Macon County? ▼
Water systems in Macon County use GW (16 systems), SW (9 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 45.5% of Macon County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.