PlainWater
Counties → Illinois

Will County, Illinois

Water Systems
330
Population Served
622,572
Total Violations
37,818
2,453 health-based
PFAS Detected
18
of 23 tested

Violation Analysis

76.4%
Systems with Violations
114.6
Avg Violations per System
6.5%
Health-Based Violations

Water Source Types

GW
41 systems (12%)
SW
9 systems (3%)

PFAS Contamination

23
Systems Tested
18
PFAS Detected
78.3%
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

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

No violations on record (5) One or more violations (45)

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
Joliet 160,000 380 Clean
IL American-West Suburban 73,978 21 Clean
Romeoville 50,458 266 Detected
Plainfield 50,000 182 Clean
New Lenox 27,690 41 Clean
IL American-Homer Township 24,543 2 Clean
Frankfort 24,000 91 Clean
Lockport 23,100 197 Detected
Crest Hill 21,169 190 Detected
Mokena 19,887 51 Clean
Shorewood 18,645 105 Detected
Channahon 13,380 138 Detected
Manhattan 10,340 178 Clean
Crete 8,275 26 Clean
Aqua Illinois-University Park 7,002 24 Detected
Braidwood 6,194 165 Clean
Wilmington 5,624 335 Detected
Monee 5,148 265 Clean
Aqua Illinois-Willowbrook 5,100 15 Clean
Beecher 4,713 28 Clean
Aqua Illinois-Peotone 4,182 27 Clean
Elwood 2,229 292 -
Rockdale 2,012 341 -
Southeast Joliet SD 2,000 338 -
St Bernards Church 1,600 0 -
Pheasant Lake Estates MHP 1,528 20 -
Exxon Mobil Oil Refinery 1,450 372 -
Crystal Lawns Addition Improvement Assoc 1,435 227 Detected
Bonnie Brae Forest Manor Sndst 1,338 14 -
East Moreland Wtr Service Assn 1,320 154 -
IL American-Arbury 1,225 157 -
Stateville Correctional Center 992 300 -
Lockport Heights SD 984 19 -
Gateway MHP 884 11 -
Lakewood Shores Improvement Association 868 248 -
Prairie Path Water Company-Cherry Hill 833 21 -
Aqua Illinois-Village Woods 800 38 -
Braidwood Generating Station 800 132 -
Prairie Path Water Company-Camelot 777 48 -
Ingalls Park Subdivision 744 50 -
Christian Life Church 730 0 -
Gas City 143rd Street 700 0 -
Merichkas 700 244 -
Lakepoint Club C/O George Kappos 650 40 -
Balmoral Elem 645 55 -
Channahon East 630 206 -
Isle a la Cache Museum 600 0 -
Three Rivers Church 600 0 -
Baker Koren Round Barn 600 1 -
College View Subdivision 570 238 -

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
Kane County
191 systems · 592,544 served · 12,844 violations
McHenry County
307 systems · 271,051 served · 11,554 violations
Madison County
68 systems · 268,778 served · 1,940 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Will County? ▼
Will County has 37,818 total drinking water violations across 330 water systems, of which 2,453 are health-based violations. 76.4% of systems have at least one violation.
How many people get water from Will County systems? ▼
Water systems in Will County serve approximately 622,572 people through 330 public water systems.
Has PFAS been detected in Will County water? ▼
Of 23 water systems tested for PFAS in Will County, 18 had PFAS detected (78.3% detection rate).
What types of water sources supply Will County? ▼
Water systems in Will County use GW (41 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. 6.5% of Will 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.