Clean Water Act discharge permit · NPDES MIG640076
LMWD MICROFILTRATION PLANT, Linwood, MI: NPDES MIG640076 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
LMWD MICROFILTRATION PLANT, held by Linwood Metro Water District, holds NPDES permit MIG640076, which discharges to Rosebush Drain. EPA’s file records it issued May 4, 2015 and expiring April 1, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LMWD MICROFILTRATION PLANT |
|---|---|
| Permittee as filed | Linwood Metro Water District |
| NPDES ID | MIG640076 |
| 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 | May 4, 2015 |
| Expiration date | April 1, 2020 |
| Issuing agency | State |
| Address | Linwood, MI 48634 |
| Receiving water | Rosebush Drain |
| Subwatershed | Gregory Drain-Frontal Lake Huron (HUC 040801020106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 6Under a numeric limit
- 8With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| pH | 2 | 229 | 3 | November 30, 2023 | |
| Chlorine, total residual | 0 | 94 | 1 | May 31, 2023 | 5% over the limit |
| Solids, total suspended | 2 | 226 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 226 | 0 | ||
| Chloride [as Cl] | 1 | 113 | 0 | ||
| Sulfate, total [as SO4] | 1 | 113 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 113 | 0 | ||
| Chlorination duration | 0 | 62 | 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
- 30Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| May 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 25, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| October 18, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| October 11, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| October 4, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 27, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 7, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| August 30, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| August 23, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| August 2, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| July 12, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| July 6, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| June 8, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| June 1, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| April 26, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| March 8, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| February 21, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| February 7, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| February 1, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| January 25, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| January 18, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| December 7, 2020 | 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.
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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 MIG640076 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.