Clean Water Act discharge permit · NPDES MSP090604
MODINE GRENADA LLC, OEM PLANT, Grenada, MS: NPDES MSP090604 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MODINE GRENADA LLC, OEM PLANT holds NPDES permit MSP090604, which discharges to Ms0020397 - Grenada Potw. EPA’s file records it issued May 4, 2020 and expiring April 30, 2025. 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 | MODINE GRENADA LLC, OEM PLANT |
|---|---|
| Permittee as filed | MODINE GRENADA LLC, OEM PLANT |
| NPDES ID | MSP090604 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 4, 2020 |
| Expiration date | April 30, 2025 |
| Issuing agency | MDEQ |
| Address | Grenada, MS 38901 |
| Receiving water | MS0020397 - GRENADA POTW |
| NAICS | 333415 – Air-Conditioning & Warm Air Heating Equipment & Comm. & Indstrl Ref. Equipment Manufacturing |
| SIC | 3585 – Refrigeration And Heating Equipment |
| Other EPA IDs (FRS) | ICIS-AIR source MS0000002804300014 |
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
- 10Pollutants on file
- 8Under a numeric limit
- 10With a violation of any kind
- 5With 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 | 25 | 16 | November 30, 2025 | 4,016% over the limit |
| Oil & Grease | 4 | 22 | 14 | October 31, 2020 | 293% over the limit |
| Lead, total recoverable | 4 | 10 | 2 | July 31, 2021 | 817% over the limit |
| Zinc, total recoverable | 4 | 12 | 1 | February 28, 2026 | 6% over the limit |
| pH | 2 | 4 | 1 | January 31, 2020 | |
| Copper, total recoverable | 4 | 9 | 0 | ||
| Nickel, total recoverable | 4 | 8 | 0 | ||
| Chromium, total recoverable | 4 | 8 | 0 | ||
| Total toxic organics [TTO] [40 CFR468] | 0 | 4 | 0 | ||
| Total production - mass | 0 | 2 | 0 |
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 4, 2026 | Effluent Violations - Unapproved Bypass | ST6 |
| August 8, 2017 | Effluent Violations - Numeric 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MSP090604.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MSP090604 there.
Nearby on the register
- Discharge permits in Grenada
- Every permit record in Grenada, A to Z
- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.