PlainWater
Counties → Illinois

Montgomery County, Illinois

Water Systems
24
Population Served
25,934
Total Violations
1,355
272 health-based
PFAS Detected
0
of 2 tested

Violation Analysis

87.5%
Systems with Violations
56.5
Avg Violations per System
20.1%
Health-Based Violations

Water Source Types

SW
14 systems (58%)
GW
10 systems (42%)

PFAS Contamination

2
Systems Tested
0
PFAS Detected
0.0%
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

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

No violations on record (3) 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
Litchfield 6,648 172 Clean
Hillsboro 4,402 111 Clean
Nokomis 2,370 39 -
Graham Correctional Site 2,155 7 -
Ej Water-McWc 2,075 35 -
Henderson Pwd 1,937 74 -
Raymond 974 33 -
Ej Water-Witt 785 57 -
Farmersville 784 49 -
Taylor Springs 724 17 -
Coffeen 647 158 -
Schram City 563 29 -
Irving 373 20 -
Fillmore 330 278 -
Ej Water-Coalton 317 51 -
Butler 253 17 -
Harvel 191 64 -
Waggoner 186 101 -
Indian Springs Golf Club 60 33 -
Lds Litchfield 60 7 -
Walmart Super Center-Litchfiel 25 0 -
Durbin and Sons, LLC 25 3 -
Ice House America Litchfield 25 0 -
Ice House America Hillsboro 25 0 -

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 Montgomery County? ▼
Montgomery County has 1,355 total drinking water violations across 24 water systems, of which 272 are health-based violations. 87.5% of systems have at least one violation.
How many people get water from Montgomery County systems? ▼
Water systems in Montgomery County serve approximately 25,934 people through 24 public water systems.
Has PFAS been detected in Montgomery County water? ▼
Of 2 water systems tested for PFAS in Montgomery County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Montgomery County? ▼
Water systems in Montgomery County use SW (14 systems), GW (10 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. 20.1% of Montgomery 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.