COOK COUNTY County, IL
ElevatedGera Environmental Pressure Score: 67.2/100 · National rank 2893 of 3,177 · EPA ECHO 2026-06-20
What is the environmental compliance risk in COOK COUNTY County, IL?
As of 2026-06-20, COOK COUNTY County, IL has a Gera Environmental Pressure Score of 67.2/100 (rank 2893/3177; elevated). Of 10,438 active EPA-regulated facilities, 5.6% had recent non-compliance and 0.8% were in Significant Non-Compliance. Source: EPA ECHO Exporter 2026-06-20.
Environmental compliance data — COOK COUNTY County (EPA ECHO 2026-06-20)
| Metric | Value | Context |
|---|---|---|
| Active regulated facilities | 10,438 | Out of 24,407 total (active + inactive) |
| Recent violators | 580 | 5.6% of active facilities (any NC in last 12 qtrs) |
| Serious violators (SNC) | 84 | 0.8% of active facilities with EPA SNC designation |
| GEPS composite | 67.2 / 100 | Higher = lower pressure; national mean 76.9/100 |
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COOK COUNTY County, IL
National rank: 2893 / 3,177 (1 = lowest pressure)
Gera Environmental Pressure Score (GEPS)
67.2 / 100
Active Facilities
10,438
EPA-regulated
Violation Rate
5.6%
any NC last 12 qtrs
SNC Rate
0.8%
Significant Non-Compliance
Source: EPA ECHO Exporter, 2026-06-20 · Full county page →
Other counties in IL
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Frequently asked questions
- What is the environmental compliance risk in COOK COUNTY County, IL?
- COOK COUNTY County, IL has a Gera Environmental Pressure Score of 67.2 / 100 (rank 2893 of 3177 monitored US counties), based on 2026-06-20 EPA ECHO Exporter data. Of its 10,438 active regulated facilities, 5.6% had recent non-compliance and 0.8% were in Significant Non-Compliance.
- How many EPA-regulated facilities are in COOK COUNTY County?
- According to the 2026-06-20 EPA ECHO Exporter, COOK COUNTY County, IL has 10,438 active regulated facilities. Of these, 580 (5.6%) had non-compliance in at least one quarter in the past three years, and 84 (0.8%) are in Significant Non-Compliance.
- Is COOK COUNTY County's environmental compliance getting better or worse?
- The GEPS provides a point-in-time snapshot from the 2026-06-20 EPA ECHO Exporter. The violation rate reflects the last 12 quarters of compliance history embedded in the FAC_QTRS_WITH_NC field, which inherently covers a 3-year window. To see trends over time, Gera will re-compute the GEPS as EPA releases updated ECHO Exporters (typically monthly). The current GEPS for COOK COUNTY County is 67.2 / 100 (3177 county dataset, 2026-06-20).
- What types of facilities does the EPA regulate in COOK COUNTY County?
- EPA regulates facilities under multiple programmes: Clean Air Act (stationary air pollution sources), Clean Water Act / NPDES (wastewater discharge permit holders), RCRA (hazardous waste generators and treatment/storage/disposal facilities), and Safe Drinking Water Act (public water systems). The ECHO Exporter counts a facility once regardless of how many programmes apply. The 10,438 active facilities in COOK COUNTY County span all these programme areas.
Concerned about environmental health in COOK COUNTY County?
High rates of EPA environmental violations and Significant Non-Compliance can indicate elevated exposure risks linked to respiratory, cardiovascular, and chronic conditions. A GeraClinic care navigator can help you understand what the compliance context means for your health, assess your individual risk, and connect you with specialist care — fully online.
Contains public sector information published by U.S. Environmental Protection Agency (EPA) and licensed under the U.S. Public Domain (federal government work, 17 U.S.C. § 105). Source: EPA ECHO Exporter — Full Facility Register with Compliance Data (2026-06-13) (2026-06-20, published 2026-06-13 (EPA ECHO Exporter last-modified date)).
Informational/educational only — not a substitute for professional medical advice; a clinician interprets results.