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Clean Water Act discharge permit · NPDES MNG585057

DANUBE WWTP, Danube, MN: NPDES MNG585057 discharge permit, effluent exceedances, inspections, penalties

DANUBE WWTP, held by Danube city of, holds NPDES permit MNG585057. EPA’s file records it issued November 1, 2022 and expiring November 30, 2023.

DANUBE WWTP, Danube, Minnesota: Coverage under a general permit MNG585057, held by Danube city of; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued November 1, 2022, term to November 30, 2023, by STA.

  • Solids, total suspended: 5 limits, 7 violations of any kind, 6 effluent exceedances, latest September 30, 2024, largest 22% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 5 limits, 3 violations of any kind, 2 effluent exceedances, latest May 31, 2023, largest 4% over the limit.
  • pH: 3 limits, 2 violations of any kind, 1 effluent exceedance, latest April 30, 2023.
  • Coliform, fecal MPN + membrane ftl 44.5 C: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest July 31, 2025, largest 42% over the limit.
  • Phosphorus, total [as P]: 4 limits, 1 violation of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 9 limits, 0 violations of any kind, 0 effluent exceedances.
  • Precipitation, total defined period/in: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Oxygen, dissolved [DO]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Minnesota holds 240 Publicly owned treatment works coverages of this permit type in EPA’s file; 216 were issued before MNG585057.

Coverages issued nearest MNG585057

  • June 1, 2022: FINLAYSON WWTP, Finlayson, MNG585203, held by Finlayson city of
  • June 1, 2022: GEM SANITARY DISTRICT, Greenwald, MNG585205, held by GEM Sanitary District
  • June 1, 2022: GOOD THUNDER WWTP, Good Thunder, MNG585206, held by Good Thunder city of
  • June 1, 2022: BIRD ISLAND WWTP, Bird Island, MNG585390, held by Bird Island city of
  • June 1, 2022: HAYWARD WWTP, Hayward, MNG585391, held by Hayward city of
  • November 1, 2022: PORTER WWTP, Porter, MNG585128, held by Porter city of
  • January 1, 2023: WENDELL WWTP, Wendell, MNG585153, held by Wendell city of
  • February 1, 2023: COMMUNITY OF ROSELAND WWTP, Blomkest, MNG585393, held by Roseland Township
  • June 1, 2023: SEARLES WWTP, Searles, MNG585080, held by Cottonwood Township
  • January 1, 2024: MCINTOSH WWTP, Mcintosh, MNG585031, held by McIntosh city of

DANUBE WWTP among its neighbors

EPA’s permit file holds 1 discharge permits in the West Fork Beaver Creek subwatershed (HUC 070200041103), MNG585057 among them. Its county holds 23, 1 of them major permits; MNG585057 is a minor permit.

Identity

Facility as filedDANUBE WWTP
Permittee as filedDanube city of
NPDES IDMNG585057
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedNovember 1, 2022
Expiration dateNovember 30, 2023
Issuing agencySTA
AddressDanube, MN 56230
SubwatershedWest Fork Beaver Creek (HUC 070200041103)

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended576September 30, 202422% over the limit
BOD, carbonaceous [5 day, 20 C]532May 31, 20234% over the limit
pH321April 30, 2023
Coliform, fecal MPN + membrane ftl 44.5 C111July 31, 202542% over the limit
Phosphorus, total [as P]410
Nitrogen, total [as N]210
Nitrogen, Kjeldahl, total [as N]210
Nitrite + Nitrate total [as N]210
Flow, in conduit or thru treatment plant900
Precipitation, total defined period/in100
Oxygen, dissolved [DO]100

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MNG585057.

Inspections

EPA’s inspection file holds no inspection for NPDES MNG585057.

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 MNG585057.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit MNG585057 for DANUBE WWTP, a publicly owned treatment works in Danube, MN, held by Danube city of and listed as administratively continued and a minor discharger. The facts list 11 pollutants on file, 8 under a numeric limit, 8 with a violation of any kind, and 4 with an effluent exceedance, within the West Fork Beaver Creek subwatershed (HUC 070200041103).