Clean Water Act discharge permit · NPDES MN0057436
TERRACE POINT DEVELOPMENT WWTP, Grand Marais, MN: NPDES MN0057436 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TERRACE POINT DEVELOPMENT WWTP, held by WINTERTREE INC, holds NPDES permit MN0057436, which discharges to L Superior. EPA’s file records it issued October 1, 2012 and expiring September 30, 2017. 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 | TERRACE POINT DEVELOPMENT WWTP |
|---|---|
| Permittee as filed | WINTERTREE INC |
| NPDES ID | MN0057436 |
| 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 | October 1, 2012 |
| Expiration date | September 30, 2017 |
| Address | Grand Marais, MN 55604 |
| Receiving water | L SUPERIOR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Good Harbor Bay-Frontal Lake Superior (HUC 040101010601) |
| SIC | 6552 – Subdividers And Developers |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 8Pollutants on file
- 0Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| pH | 0 | 32 | 0 | ||
| Solids, total suspended | 0 | 32 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 0 | 32 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 15 | 0 | ||
| Phosphorus, total [as P] | 0 | 14 | 0 | ||
| Chlorine, total residual | 0 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 7 | 0 | ||
| Coliform, fecal MPN + membrane ftl 44.5 C | 0 | 6 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MN0057436.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MN0057436.
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, MN0057436.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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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 MN0057436 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.