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Clean Water Act discharge permit · NPDES MNG585025

JANESVILLE WWTP, Janesville, MN: NPDES MNG585025 discharge permit, effluent exceedances, inspections, penalties

JANESVILLE WWTP, held by Janesville city of, holds NPDES permit MNG585025. EPA’s file records it issued January 1, 2022 and expiring November 30, 2023.

JANESVILLE WWTP, Janesville, Minnesota: Coverage under a general permit MNG585025, held by Janesville city of; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 1, 2022, term to November 30, 2023, by STA.

  • Solids, total suspended: 6 limits, 5 violations of any kind, 0 effluent exceedances.
  • BOD, carbonaceous [5 day, 20 C]: 5 limits, 4 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 9 limits, 3 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 4 limits, 3 violations of any kind, 0 effluent exceedances.
  • pH: 3 limits, 2 violations 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.
  • Oxygen, dissolved [DO]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Nitrogen, ammonia total [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Coliform, fecal MPN + membrane ftl 44.5 C: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Solids, total dissolved: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Mercury, dissolved [as Hg]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Mercury, total [as Hg]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Precipitation, total defined period/in: 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; 194 were issued before MNG585025.

Coverages issued nearest MNG585025

  • August 1, 2021: WINTON WWTP, Winton, MNG585187, held by Winton city of
  • August 1, 2021: EVAN WWTP, Evan, MNG585202, held by Evan city of
  • August 1, 2021: EAGLE BEND WWTP, Eagle Bend, MNG585383, held by Eagle Bend city of
  • January 1, 2022: COTTONWOOD WWTP, Cottonwood, MNG585010, held by Cottonwood city of
  • January 1, 2022: GIBBON WWTP, Gibbon, MNG585020, held by Gibbon city of
  • January 1, 2022: WINGER WWTP, Winger, MNG585045, held by Winger city of
  • January 1, 2022: WOOD LAKE WWTP, Wood Lake, MNG585107, held by Wood Lake city of
  • January 1, 2022: SLAYTON WWTP, Slayton, MNG585191, held by Slayton city of
  • January 1, 2022: GAYLORD WWTP, Gaylord, MNG585204, held by Gaylord city of
  • January 1, 2022: LONGVILLE WWTP, Longville, MNG585208, held by Longville city of

JANESVILLE WWTP among its neighbors

EPA’s permit file holds 3 discharge permits in the Buffalo Lake subwatershed (HUC 070200110603), MNG585025 among them. Its county holds 16, 1 of them major permits; MNG585025 is a minor permit.

Other permits in the Buffalo Lake subwatershed (HUC 070200110603)

  • JANESVILLE, Janesville: MNG580025, minor permit, discharging to LESUEUR R VIA CD 6, permit term to February 28, 2010
  • PENTAGON MATERIALS INC, Prior Lake: MNG490250, minor permit, permit term to May 31, 2027

Identity

Facility as filedJANESVILLE WWTP
Permittee as filedJanesville city of
NPDES IDMNG585025
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
IssuedJanuary 1, 2022
Expiration dateNovember 30, 2023
Issuing agencySTA
AddressJanesville, MN 56048
SubwatershedBuffalo Lake (HUC 070200110603)

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 suspended650
BOD, carbonaceous [5 day, 20 C]540
Flow, in conduit or thru treatment plant930
Phosphorus, total [as P]430
pH320
Nitrogen, total [as N]210
Nitrogen, Kjeldahl, total [as N]210
Nitrite + Nitrate total [as N]210
Oxygen, dissolved [DO]110
Nitrogen, ammonia total [as N]110
Coliform, fecal MPN + membrane ftl 44.5 C110
Solids, total dissolved110
Mercury, dissolved [as Hg]110
Mercury, total [as Hg]110
Precipitation, total defined period/in100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MNG585025.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MNG585025.

Inspections

EPA’s inspection file holds no inspection for NPDES MNG585025.

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 MNG585025.

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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 MNG585025 for the JANESVILLE WWTP in Janesville, MN, held by Janesville city of and listed as administratively continued after its November 30, 2023 expiration date. The facts list 15 pollutants on file, 15 of them under a numeric limit, 14 with a violation of any kind, and 0 with an effluent exceedance. The facility is within the Buffalo Lake subwatershed (HUC 070200110603).