ICIS-AIR WI0000005513190200

WMWI - OMEGA HILLS LANDFILL, Germantown, WI: Clean Air Act compliance record, inspections, violations, penalties

OperatingOperating status
Major sourceEmissions classification
No Violation IdentifiedCurrent violation status, as filed
6Compliance evaluations since January 1, 2017
0High-priority violations since January 1, 2017
0Formal enforcement actions since January 1, 2017

WMWI - OMEGA HILLS LANDFILL is on EPA’s ICIS-AIR register at N96W13610 COUNTY LINE RD, Germantown in Waukesha County, Wisconsin: operating status operating, emissions classification major source, current violation status “No Violation Identified”. Waukesha County is on EPA’s Green Book list of areas that do not meet a national air quality standard.

What stands out

The newest of the 20 events on file is a stack test dated June 22, 2026.
Its events on file run from March 6, 2017 through June 22, 2026.
Of its 6 compliance evaluations on file, 5 are a full compliance evaluation.
The register holds 30 air-emissions sources in Waukesha County, Wisconsin.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filed	WMWI - OMEGA HILLS LANDFILL
ICIS-AIR ID	WI0000005513190200
EPA facility registry ID	110054281923
Operating status	Operating
Emissions classification	Major source
Current violation status (HPV field)	No Violation Identified
Address	N96W13610 COUNTY LINE RD, Germantown, WI 530225410
County	Waukesha County
In a nonattainment county	Yes (EPA Green Book)
Industry (NAICS)	Waste management and remediation (NAICS 5622)
EPA region	05

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

6Evaluations since January 1, 2017
5Full compliance evaluations

Date	What EPA recorded	Agency	Programs
July 31, 2025	FCE On-Site	State	Title V Permits
April 8, 2024	PCE Off-Site	State	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 6, 2023	FCE On-Site	State	Title V Permits
May 28, 2021	FCE On-Site	State	Title V Permits
May 31, 2019	FCE On-Site	State	Title V Permits
April 21, 2017	FCE On-Site	State	Title V Permits

Violations

2Violation determinations since January 1, 2017
0Of them high-priority

What high-priority and federally reportable violations mean.

Date	What EPA recorded	Agency	Programs
April 8, 2024	Earliest FRV determination	State	Title V Permits
April 8, 2024	Earliest FRV determination	State	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement and penalties

0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

Informal enforcement

Date	What EPA recorded	Agency
July 10, 2024	Notice of Violation	State

Stack tests

11Stack tests since January 1, 2017
0Recorded as failed

Date	What EPA recorded	Agency
June 22, 2026	Pass	State
April 15, 2026	Pass	State
April 3, 2025	Pass	State
April 15, 2024	Pass	State
March 20, 2023	Pass	State
March 22, 2022	Pass	State
March 25, 2021	Pass	State
March 3, 2020	Pass	State
April 15, 2019	Pass	State
March 6, 2018	Pass	State
March 6, 2017	Pass	State

Watch WMWI - OMEGA HILLS LANDFILL

Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110054281923).

Other air sources in Wisconsin beside WMWI - OMEGA HILLS LANDFILL

EPA ICIS-AIR download, loaded September 14, 2026.