PlainWater
Counties → Illinois

Boone County, Illinois

Water Systems
56
Population Served
45,698
Total Violations
2,853
93 health-based
PFAS Detected
1
of 3 tested

Violation Analysis

91.1%
Systems with Violations
50.9
Avg Violations per System
3.3%
Health-Based Violations

Water Source Types

GW
50 systems (89%)

PFAS Contamination

3
Systems Tested
1
PFAS Detected
33.3%
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

Boone 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
Belvidere 25,070 76 Detected
Aqua Illinois-Candlewick Dvn 6,426 87 Clean
Poplar Grove 2,372 46 -
Poplar Grove South 1,877 23 -
Four Seasons MHP 1,468 52 -
Capron 1,343 268 -
Poplar Grove West-Countryside 790 21 Clean
Caledonia School 750 58 -
Greenview Estates MHP 710 8 -
North Boone High School 500 376 -
Oak Lawn MHP 450 25 -
North Boone Upper Elementary School 262 52 -
Neds Restaurant 240 1 -
North Boone Middle School 230 49 -
Pleasant Street Inc 200 3 -
Holiday Acres Camping Resort - East Well 175 24 -
Holiday Acres Camping Resort - West Well 175 23 -
Manchester School 150 33 -
McKinley Avenue Bus Barn 140 2 -
High Road School 131 124 -
Swan Hills Golf Course 125 1 -
Beaver Creek Golf Course 125 1 -
Mobil Express 125 1 -
West Hills Shopping Center 104 418 -
Park Meadowland West MHP 100 73 -
Boone County Restaurant 100 1 -
Garden Prairie Cafe 100 1 -
Ipsen International 100 81 -
Farm & Fleet of Belvidere 100 1 -
Mhc Pine Country LLC - Pool 100 16 -
Open Bible Church of Belvidere 100 670 -
Wings & Wheels Museum 100 0 -
Capron MHP 90 29 -
Poplar Grove Airport 80 82 -
Boone Lake Conservation Association Inc 75 8 -
Mhc Pine Country LLC - Pump House 75 18 -
American Legion Boone Post 77 50 2 -
Northwoods RV Resort-Northwest Well 50 3 -
Poplar Grove Airport - Hangars 50 0 -
Oak Lane Winery 50 4 -
Northwoods RV Resort-South Campground 40 5 -
Nucor Rebar Fabrication Midwest 40 10 -
Aberdeen Park 35 5 -
Spencer Park (106211) 25 1 -
Walmart Supercenter 3597 (148643) 25 0 -
Boone Co Fairgrounds 25 7 -
Northwoods RV Resort - Clubhouse Well 25 3 -
Supermercado Guanajuatito 25 0 -
Edwards Apple Orchard 25 2 -
Countryside Pacemaker 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 Boone County? ▼
Boone County has 2,853 total drinking water violations across 56 water systems, of which 93 are health-based violations. 91.1% of systems have at least one violation.
How many people get water from Boone County systems? ▼
Water systems in Boone County serve approximately 45,698 people through 56 public water systems.
Has PFAS been detected in Boone County water? ▼
Of 3 water systems tested for PFAS in Boone County, 1 had PFAS detected (33.3% detection rate).
What types of water sources supply Boone County? ▼
Water systems in Boone County use GW (50 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. 3.3% of Boone 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.