LEWIS AND CLARK County, MT
ElevatedGera Environmental Pressure Score: 71.4/100 · National rank 2571 of 3,177 · EPA ECHO 2026-06-20
What is the environmental compliance risk in LEWIS AND CLARK County, MT?
As of 2026-06-20, LEWIS AND CLARK County, MT has a Gera Environmental Pressure Score of 71.4/100 (rank 2571/3177; elevated). Of 418 active EPA-regulated facilities, 22.3% had recent non-compliance and 2.1% were in Significant Non-Compliance. Source: EPA ECHO Exporter 2026-06-20.
Environmental compliance data — LEWIS AND CLARK County (EPA ECHO 2026-06-20)
| Metric | Value | Context |
|---|---|---|
| Active regulated facilities | 418 | Out of 1,003 total (active + inactive) |
| Recent violators | 93 | 22.3% of active facilities (any NC in last 12 qtrs) |
| Serious violators (SNC) | 9 | 2.1% of active facilities with EPA SNC designation |
| GEPS composite | 71.4 / 100 | Higher = lower pressure; national mean 76.9/100 |
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LEWIS AND CLARK County, MT
National rank: 2571 / 3,177 (1 = lowest pressure)
Gera Environmental Pressure Score (GEPS)
71.4 / 100
Active Facilities
418
EPA-regulated
Violation Rate
22.3%
any NC last 12 qtrs
SNC Rate
2.1%
Significant Non-Compliance
Source: EPA ECHO Exporter, 2026-06-20 · Full county page →
Other counties in MT
Related health data on GeraClinic
Frequently asked questions
- What is the environmental compliance risk in LEWIS AND CLARK County, MT?
- LEWIS AND CLARK County, MT has a Gera Environmental Pressure Score of 71.4 / 100 (rank 2571 of 3177 monitored US counties), based on 2026-06-20 EPA ECHO Exporter data. Of its 418 active regulated facilities, 22.3% had recent non-compliance and 2.1% were in Significant Non-Compliance.
- How many EPA-regulated facilities are in LEWIS AND CLARK County?
- According to the 2026-06-20 EPA ECHO Exporter, LEWIS AND CLARK County, MT has 418 active regulated facilities. Of these, 93 (22.3%) had non-compliance in at least one quarter in the past three years, and 9 (2.1%) are in Significant Non-Compliance.
- Is LEWIS AND CLARK 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 LEWIS AND CLARK County is 71.4 / 100 (3177 county dataset, 2026-06-20).
- What types of facilities does the EPA regulate in LEWIS AND CLARK 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 418 active facilities in LEWIS AND CLARK County span all these programme areas.
Concerned about environmental health in LEWIS AND CLARK 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.