Clean Water Act discharge permit · NPDES MI0002429
HURON INC.-LEXINGTON, Lexington, MI: NPDES MI0002429 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
HURON INC.-LEXINGTON, held by Huron, Incorporated, holds NPDES permit MI0002429. EPA’s file records it issued September 29, 2020 and expiring October 1, 2024.
HURON INC.-LEXINGTON, Lexington, Michigan: Individual permit MI0002429, held by Huron, Incorporated; Administratively continued (past its expiration date and still in force until reissued); issued September 29, 2020, term to October 1, 2024, by State.
- Phosphorus, total [as P]: 4 limits, 30 violations of any kind, 2 effluent exceedances, latest April 30, 2020, largest 50% over the limit.
- pH: 8 limits, 279 violations of any kind, 1 effluent exceedance, latest November 30, 2008.
- Flow, in conduit or thru treatment plant: 8 limits, 279 violations of any kind, 0 effluent exceedances.
- BOD, 5-day, 20 deg. C: 10 limits, 144 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. fahrenheit: 4 limits, 132 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 20 limits, 130 violations of any kind, 0 effluent exceedances.
- Outfall observation,visual, y/n response: 2 limits, 112 violations of any kind, 0 effluent exceedances.
- Coliform, fecal general: 4 limits, 58 violations of any kind, 0 effluent exceedances.
- Nitrogen, ammonia total [as N]: 40 limits, 52 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 2 limits, 29 violations of any kind, 0 effluent exceedances.
- Solids, total: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, total Kjeldahl: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, sludge, total, dry weight [as N]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Potassium, sludge, total, dry weight [as K]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Phosphorus, sludge, total, dry weight [as P]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- August 11, 2026: Evaluation (S).
- April 21, 2020: Reporting Violations - Late Submittal of DMRs (ST6).
HURON INC.-LEXINGTON among its neighbors
EPA’s permit file holds 5 discharge permits in the Twin Hill Creek-Frontal Lake Huron subwatershed (HUC 040801040205), MI0002429 among them. Its county holds 18, 0 of them major permits; MI0002429 is a minor permit.
Other permits in the Twin Hill Creek-Frontal Lake Huron subwatershed (HUC 040801040205)
- LEXINGTON VILLAGE MS4-SANILAC, Lexington: MI0060119, minor permit, permit term to October 1, 2023
- LEXINGTON WWSL, Lexington: MIG580356, minor permit, discharging to Lake Huron, permit term to April 1, 2019
- PORT SANILAC WWSL, Port Sanilac: MIG580359, minor permit, permit term to April 1, 2024
- WORTH TOWNSHIP WWSL, Lexington: MIG580419, minor permit, discharging to Mill Creek, permit term to April 1, 2024
Identity
| Facility as filed | HURON INC.-LEXINGTON |
|---|---|
| Permittee as filed | Huron, Incorporated |
| NPDES ID | MI0002429 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 29, 2020 |
| Expiration date | October 1, 2024 |
| Issuing agency | State |
| Address | Lexington, MI 48450 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Twin Hill Creek-Frontal Lake Huron (HUC 040801040205) |
| Other EPA IDs (FRS) | RCRA handler MID005499470; ICIS-AIR source MI00000000000A6455 |
Effluent limits and exceedances
- 24Pollutants on file
- 24Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 4 | 30 | 2 | April 30, 2020 | 50% over the limit |
| pH | 8 | 279 | 1 | November 30, 2008 | |
| Flow, in conduit or thru treatment plant | 8 | 279 | 0 | ||
| BOD, 5-day, 20 deg. C | 10 | 144 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 132 | 0 | ||
| Solids, total suspended | 20 | 130 | 0 | ||
| Outfall observation,visual, y/n response | 2 | 112 | 0 | ||
| Coliform, fecal general | 4 | 58 | 0 | ||
| Nitrogen, ammonia total [as N] | 40 | 52 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 29 | 0 | ||
| Solids, total | 3 | 0 | 0 | ||
| Arsenic, dry weight | 3 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 0 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| August 11, 2026 | Evaluation | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MI0002429.
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, MI0002429.
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
Nearby on the register
- Discharge permits in Lexington
- Every permit record in Lexington, A to Z
- Discharge permits in Michigan
- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.