PlainWater
Counties → Illinois

Ogle County, Illinois

Water Systems
112
Population Served
45,754
Total Violations
8,348
560 health-based
PFAS Detected
0
of 3 tested

Violation Analysis

93.8%
Systems with Violations
74.5
Avg Violations per System
6.7%
Health-Based Violations

Water Source Types

GW
50 systems (45%)

PFAS Contamination

3
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

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

No violations on record (4) One or more violations (46)

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
Rochelle 9,446 87 Clean
Byron 4,743 423 Clean
Oregon 3,449 54 Clean
Mount Morris 2,861 200 -
Polo 2,355 78 -
Davis Junction 2,344 0 -
Forreston 1,338 9 -
Hillcrest 1,224 225 -
Stillman Valley 1,200 20 -
White Pines Forest St Park-Lodge/Cabins 750 5 -
White Pines Forest St Park-Cedar Ridge 750 5 -
Lost Lake Utility District 704 254 -
Creston 627 42 -
Kilbuck Creek Retreat 604 10 -
Constellation Byron Generating Station 600 0 -
Maxson Manor 562 9 -
Jarrett Prairie Center 520 11 -
Aqua Illinois-Nordic Woods 500 294 -
Shangri-La MHP 475 16 -
Rolling Meadows Mhc 447 51 -
Leaf River 403 20 -
Ed Etnyre and Company 400 125 -
Mount Morris Estates MHP 395 185 -
Monroe Center School - Old Well 380 1,144 -
Monroe Center School - New Well 380 388 -
Aqua Illinois-Woodlawn 375 24 -
Oregon Tool 350 239 -
Prairie Path Water Company-Rockvale 298 63 -
Camp Emmaus 250 22 -
Camp Lowden - Thunderhawk Well 250 8 -
Camp Lowden - Pool/Dining 250 8 -
Camp Lowden - Main Office 250 8 -
Cross Roads Community Church 225 287 -
Lake Ladonna Family Campground 200 15 -
Lowden State Park - West Well 200 9 -
Stronghold Kitchen 200 7 -
Bishop Lane Retreat Center 200 0 -
Double O Saloon 200 31 -
Rolling Green Estates MHP 191 38 -
Eswood School Dist 269 175 112 -
Camp McCormick - Troophouse 150 2 -
Lake Louise Campground - Beach Well 150 22 -
Kings Community School 150 75 -
River Road Marina & Camping 150 29 -
Lake Louise Campground - West Well 150 23 -
Lake Louise Campground - Middle Well 150 41 -
Little Prairie Mennonite Church 140 0 -
Country View Estates Subdivision 125 42 -
The Kitchen Table 125 13 -
White Pines Ranch 125 8 -

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 Ogle County? ▼
Ogle County has 8,348 total drinking water violations across 112 water systems, of which 560 are health-based violations. 93.8% of systems have at least one violation.
How many people get water from Ogle County systems? ▼
Water systems in Ogle County serve approximately 45,754 people through 112 public water systems.
Has PFAS been detected in Ogle County water? ▼
Of 3 water systems tested for PFAS in Ogle County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Ogle County? ▼
Water systems in Ogle 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. 6.7% of Ogle 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.