ICIS-AIR WI0000005507900289
MMSD-SOUTHSHORE WASTEWATER TREATMENT PLANT, Oak Creek, WI: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 11Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
MMSD-SOUTHSHORE WASTEWATER TREATMENT PLANT is on EPA’s ICIS-AIR register at 8500 S 5TH AVE, Oak Creek in Monroe County, Wisconsin: operating status operating, emissions classification major source, current violation status “No Violation Identified”.
What stands out
- The newest of the 11 events on file is a compliance evaluation dated November 5, 2026.
- Its events on file run from November 27, 2017 through November 5, 2026.
- Of its 11 compliance evaluations on file, 5 are a full compliance evaluation.
- The register holds 46 air-emissions sources in Monroe County, Wisconsin.
Every line is computed by formula from the record’s stored figures; nothing is estimated.
Identity
| Facility as filed | MMSD-SOUTHSHORE WASTEWATER TREATMENT PLANT |
|---|---|
| ICIS-AIR ID | WI0000005507900289 |
| EPA facility registry ID | 110000417772 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (HPV field) | No Violation Identified |
| Address | 8500 S 5TH AVE, Oak Creek, WI 531543506 |
| County | Monroe County |
| In a nonattainment county | No (EPA Green Book) |
| Industry (NAICS) | Utilities (NAICS 2213) |
| SIC code | 4952 |
| EPA region | 05 |
Programs and pollutants
The program, pollutant and Title V files are not loaded: what this page covers.
Compliance evaluations
- 11Evaluations since January 1, 2017
- 5Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| November 5, 2026 | PCE Off-Site | State | Title V Permits |
| November 5, 2026 | PCE Off-Site | State | Title V Permits |
| September 3, 2026 | FCE On-Site | State | Title V Permits |
| August 7, 2026 | PCE Off-Site | State | Title V Permits |
| October 28, 2025 | PCE Off-Site | State | Title V Permits |
| October 28, 2025 | PCE Off-Site | State | Title V Permits |
| October 23, 2024 | PCE Off-Site | State | Title V Permits |
| August 1, 2024 | FCE On-Site | State | Title V Permits |
| August 23, 2022 | FCE On-Site | State | Title V Permits |
| July 16, 2020 | FCE On-Site | State | Title V Permits |
| November 27, 2017 | FCE On-Site | State | Title V Permits |
Violations
- 0Violation determinations since January 1, 2017
- 0Of them high-priority
What high-priority and federally reportable violations mean.
EPA’s violation history file holds no violation for ICIS-AIR WI0000005507900289 since January 1, 2017.
Enforcement and penalties
0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.
Informal enforcement
EPA’s informal action file holds no notice or warning for ICIS-AIR WI0000005507900289 since January 1, 2017.
Stack tests
- 0Stack tests since January 1, 2017
- 0Recorded as failed
EPA’s stack test file holds no test at ICIS-AIR WI0000005507900289 since January 1, 2017.
Watch MMSD-SOUTHSHORE WASTEWATER TREATMENT PLANT
Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110000417772).
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EPA ICIS-AIR download, loaded September 14, 2026.