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NPDES MNG585194 · Clean Water Act

HARDWICK WWTP, Hardwick, MN: NPDES MNG585194 discharge permit, effluent exceedances, inspections, penalties

HARDWICK WWTP, Hardwick, Minnesota: General permit coverage MNG585194, held by Hardwick city of; Publicly owned treatment works; Administratively continued; issued January 1, 2020, term to November 30, 2023, by STA.

6 of the 11 pollutants listed for NPDES MNG585194 have no violation or effluent exceedance.

  • pH: 3 limits, 6 violations of any kind, 6 effluent exceedances, latest March 31, 2024.
  • Solids, total suspended: 5 limits, 2 violations of any kind, 2 effluent exceedances, latest April 30, 2020, largest 21% over the limit.
  • Nitrogen, total [as N]: 2 limits, 2 violations of any kind.
  • Nitrogen, Kjeldahl, total [as N]: 2 limits, 2 violations of any kind.
  • Nitrite + Nitrate total [as N]: 2 limits, 2 violations of any kind.
  • Flow, in conduit or thru treatment plant: 9 limits.
  • BOD, carbonaceous [5 day, 20 C]: 5 limits.
  • Phosphorus, total [as P]: 3 limits.
  • Precipitation, total defined period/in: 1 limit.
  • Oxygen, dissolved [DO]: 1 limit.
  • Coliform, fecal MPN + membrane ftl 44.5 C: 1 limit.

Minnesota holds 240 Publicly owned treatment works coverages of this permit type in EPA’s file; 13 were issued before MNG585194.

Coverages issued nearest MNG585194

  • 2020-01-01: HILL CITY WWTP, Hill City: MNG585182, held by Hill City city of
  • 2020-01-01: FULDA WWTP, Fulda: MNG585188, held by Fulda city of
  • 2020-01-01: HERON LAKE WWTP, Heron Lake: MNG585189, held by Heron Lake city of
  • 2020-01-01: MAGNOLIA WWTP, Magnolia: MNG585190, held by Magnolia city of
  • 2020-01-01: WOODSTOCK WWTP, Woodstock: MNG585192, held by Woodstock city of
  • 2020-01-01: HILLS WWTP, Hills: MNG585196, held by Hills city of
  • 2020-01-01: STEEN WWTP, Steen: MNG585199, held by Steen city of
  • 2020-01-01: WILMONT WWTP, Wilmont: MNG585200, held by Wilmont city of
  • 2020-01-01: RUSHMORE WWTP, Rushmore: MNG585201, held by Rushmore city of
  • 2020-01-01: REMER WWTP, Remer: MNG585210, held by Remer city of

HARDWICK WWTP among its neighbors

1 discharge permits are in the City of Hardwick-Rock River subwatershed (HUC 101702040110); MNG585194 is one. Its county: 25, 0 major; MNG585194 is minor permit.

Identity

FacilityHARDWICK WWTP
PermitteeHardwick city of
NPDES IDMNG585194
StatusAdministratively continued
TypeGeneral permit coverage
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 1, 2020
ExpiresNovember 30, 2023
AgencySTA
AddressHardwick, MN 56134
SubwatershedCity of Hardwick-Rock River (HUC 101702040110)

NPDES MNG585194: effluent limits and exceedances

HARDWICK WWTP (NPDES MNG585194): 11 pollutants on file, 11 limited; 5 with a violation of any kind, 2 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH366March 31, 2024
Solids, total suspended522April 30, 202021% over the limit
Nitrogen, total [as N]220
Nitrogen, Kjeldahl, total [as N]220
Nitrite + Nitrate total [as N]220
Flow, in conduit or thru treatment plant900
BOD, carbonaceous [5 day, 20 C]500
Phosphorus, total [as P]300
Precipitation, total defined period/in100
Oxygen, dissolved [DO]100
Coliform, fecal MPN + membrane ftl 44.5 C100

NPDES MNG585194: inspections, violations and enforcement

NPDES MNG585194 (HARDWICK WWTP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES MNG585194

NPDES MNG585194: 11 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.