Clean Water Act discharge permit · NPDES MI0020133
LANSE WWTP, L'Anse, MI: NPDES MI0020133 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 29Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
LANSE WWTP, held by Village of L'Anse, holds NPDES permit MI0020133. EPA’s file records it issued April 26, 2019 and expiring October 1, 2022. 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 | LANSE WWTP |
|---|---|
| Permittee as filed | Village of L'Anse |
| NPDES ID | MI0020133 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 26, 2019 |
| Expiration date | October 1, 2022 |
| Issuing agency | State |
| Address | L'Anse, MI 49946 |
| Subwatershed | Little Silver Creek-Frontal Keweenaw Bay (HUC 040201050603) |
| Other EPA IDs (FRS) | RCRA handler MID985657048 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 30Pollutants on file
- 29Under a numeric limit
- 30With a violation of any kind
- 10With 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 | 61 | 21 | February 28, 2014 | |
| Chlorine, total residual | 0 | 48 | 10 | April 30, 2010 | 611% over the limit |
| Solids, suspended percent removal | 2 | 32 | 8 | April 30, 2008 | 473% over the limit |
| Coliform, fecal general | 2 | 58 | 7 | January 31, 2011 | 59% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 77 | 5 | June 30, 2012 | 313% over the limit |
| Oxygen, dissolved [DO] | 2 | 64 | 5 | September 30, 2007 | 80% over the limit |
| Solids, total suspended | 4 | 112 | 4 | June 30, 2011 | 84% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 12 | 250 | 2 | June 30, 2011 | 413% over the limit |
| Phosphorus, total [as P] | 4 | 59 | 2 | March 31, 2011 | 20% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 15 | 1 | March 31, 2005 | 20% over the limit |
| Mercury, total [as Hg] | 6 | 136 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 49 | 0 | ||
| Solids, total | 3 | 15 | 0 | ||
| Arsenic, dry weight | 3 | 15 | 0 | ||
| Selenium, dry weight | 3 | 15 | 0 | ||
| Copper, dry weight | 3 | 15 | 0 | ||
| Cadmium, dry weight | 3 | 15 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 15 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 15 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 15 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 15 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 15 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 15 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 15 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 15 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 15 | 0 | ||
| Static 48 Hr Chronic Pimphales Promelas | 2 | 7 | 0 | ||
| Toxicity, choice of species | 2 | 5 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 5 | 0 | ||
| TU Static 24 Hr Acute Pimephales promelas | 1 | 5 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 15, 2025 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| March 13, 2021 | WW SSO - Discharge to Waters | ST6 |
| March 13, 2021 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| April 22, 2019 | Management Practice Violations - Improper Operation and Maintenance | 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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Nearby on the register
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- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.