Clean Water Act discharge permit · NPDES MNG790264
CENTRAL CITY TUNNEL, Minneapolis, MN: NPDES MNG790264 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 46Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
CENTRAL CITY TUNNEL, held by Minneapolis Public Works, holds NPDES permit MNG790264. EPA’s file records it issued December 1, 2022 and expiring April 30, 2027. 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 | CENTRAL CITY TUNNEL |
|---|---|
| Permittee as filed | Minneapolis Public Works |
| NPDES ID | MNG790264 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 1, 2022 |
| Expiration date | April 30, 2027 |
| Issuing agency | STA |
| Address | Minneapolis, MN 55401 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Saint Anthony Falls-Mississippi River (HUC 070102060703) |
| SIC | 1799 – Special Trade Contractors |
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
- 48Pollutants on file
- 46Under a numeric limit
- 47With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Lead, total [as Pb] | 17 | 53 | 2 | May 31, 2024 | 63% over the limit |
| Flow, in conduit or thru treatment plant | 54 | 165 | 0 | ||
| pH | 34 | 104 | 0 | ||
| Solids, total suspended | 17 | 56 | 0 | ||
| Nitrogen, total [as N] | 17 | 53 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 17 | 53 | 0 | ||
| Nitrite + Nitrate total [as N] | 17 | 53 | 0 | ||
| Phosphorus, total [as P] | 17 | 53 | 0 | ||
| Chloride [as Cl] | 17 | 53 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 17 | 53 | 0 | ||
| Organics, gasoline range | 17 | 52 | 0 | ||
| 1,1-Dichloroethane | 17 | 52 | 0 | ||
| 1,1-Dichloroethylene | 17 | 52 | 0 | ||
| Naphthalene | 17 | 52 | 0 | ||
| Vinyl chloride | 17 | 52 | 0 | ||
| Diesel range organics diesel, total, wtr | 17 | 52 | 0 | ||
| cis-1,2-Dichloroethene | 17 | 52 | 0 | ||
| Temperature, water deg. fahrenheit | 17 | 51 | 0 | ||
| Carbon tetrachloride | 17 | 51 | 0 | ||
| Toluene | 17 | 51 | 0 | ||
| Benzene | 17 | 51 | 0 | ||
| Acenaphthylene | 17 | 51 | 0 | ||
| Acenaphthene | 17 | 51 | 0 | ||
| Anthracene | 17 | 51 | 0 | ||
| Benzo[b]fluoranthene | 17 | 51 | 0 | ||
| Benzo[k]fluoranthene | 17 | 51 | 0 | ||
| Benzo[a]pyrene | 17 | 51 | 0 | ||
| Chrysene | 17 | 51 | 0 | ||
| Ethylbenzene | 17 | 51 | 0 | ||
| Fluoranthene | 17 | 51 | 0 | ||
| Fluorene | 17 | 51 | 0 | ||
| Indeno[1,2,3-cd]pyrene | 17 | 51 | 0 | ||
| Methylene chloride | 17 | 51 | 0 | ||
| Phenanthrene | 17 | 51 | 0 | ||
| Pyrene | 17 | 51 | 0 | ||
| Tetrachloroethylene | 17 | 51 | 0 | ||
| 1,1,1-Trichloroethane | 17 | 51 | 0 | ||
| 1,1,2-Trichloroethane | 17 | 51 | 0 | ||
| Benzo[ghi]perylene | 17 | 51 | 0 | ||
| Benzo[a]anthracene | 17 | 51 | 0 | ||
| 1,2-Dichloroethane, total weight | 17 | 51 | 0 | ||
| Dibenz[a,h]anthracene | 17 | 51 | 0 | ||
| Trichloroethylene | 17 | 51 | 0 | ||
| Xylene [mix of m+o+p] | 17 | 51 | 0 | ||
| trans-1,2-Dichloroethylene | 17 | 51 | 0 | ||
| Total Group I Polycyclic Aromatic Hydrocarbons | 0 | 51 | 0 | ||
| Total Group II Polycyclic Aromatic Hydrocarbons | 0 | 51 | 0 | ||
| Polynuclear Aromatic Hydrocarbons [PAHs] | 17 | 0 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MNG790264.
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 MNG790264 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.