Clean Water Act discharge permit · NPDES MIG081160
MRP PROPERTIES CO LLC-ALMA, Alma, MI: NPDES MIG081160 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MRP PROPERTIES CO LLC-ALMA, held by MRP Properties Company LLC, holds NPDES permit MIG081160, which discharges to Pine River. EPA’s file records it issued April 23, 2019 and expiring April 1, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MRP PROPERTIES CO LLC-ALMA |
|---|---|
| Permittee as filed | MRP Properties Company LLC |
| NPDES ID | MIG081160 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 23, 2019 |
| Expiration date | April 1, 2020 |
| Issuing agency | State |
| Address | Alma, MI 48801 |
| Receiving water | Pine River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sugar Creek-Pine River (HUC 040802020403) |
| NAICS | 324110 – Petroleum Refineries |
| SIC | 1799 – Special Trade Contractors |
| Other EPA IDs (FRS) | RCRA handler MID000781831 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 29Pollutants on file
- 7Under a numeric limit
- 29With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 134 | 0 | ||
| pH | 4 | 120 | 0 | ||
| Benzo[b]fluoranthene | 0 | 104 | 0 | ||
| Benzo[k]fluoranthene | 0 | 104 | 0 | ||
| Benzo[a]pyrene | 0 | 104 | 0 | ||
| Chrysene | 0 | 104 | 0 | ||
| Fluoranthene | 0 | 104 | 0 | ||
| Indeno[1,2,3-cd]pyrene | 0 | 104 | 0 | ||
| Phenanthrene | 0 | 104 | 0 | ||
| Benzo[a]anthracene | 0 | 104 | 0 | ||
| Dibenz[a,h]anthracene | 0 | 104 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 3 | 80 | 0 | ||
| Lead, total [as Pb] | 1 | 67 | 0 | ||
| Equipment inspection - visual | 1 | 67 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 67 | 0 | ||
| Ethylbenzene | 0 | 57 | 0 | ||
| Acenaphthylene | 0 | 52 | 0 | ||
| Acenaphthene | 0 | 52 | 0 | ||
| Anthracene | 0 | 52 | 0 | ||
| Fluorene | 0 | 52 | 0 | ||
| Pyrene | 0 | 52 | 0 | ||
| Benzo[ghi]perylene | 0 | 52 | 0 | ||
| Naphthalene | 0 | 52 | 0 | ||
| Toluene | 0 | 9 | 0 | ||
| Benzene | 0 | 9 | 0 | ||
| Ethylbenzene | 0 | 9 | 0 | ||
| Xylenes [total], dry weight | 0 | 9 | 0 | ||
| Chlorine, total residual | 1 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 3 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG081160.
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 15, 2018 | Effluent Violations - Narrative Effluent Violation | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MIG081160 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.