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NPDES WI0023931 · Clean Water Act

ELROY WASTEWATER TREATMENT FACILITY, Elroy, WI: NPDES WI0023931 discharge permit, effluent exceedances, inspections, penalties

ELROY WASTEWATER TREATMENT FACILITY, Elroy, Wisconsin: Individual permit WI0023931, held by ELROY WASTEWATER TREATMENT FAC; Publicly owned treatment works; Administratively continued; issued May 29, 2007, term to March 31, 2012; discharges to BARABOO R.

  • Solids, total suspended: 0 limits, 99 violations of any kind, 43 effluent exceedances, latest September 30, 2018, largest 99,999% over the limit.
  • BOD, 5-day, 20 deg. C: 0 limits, 96 violations of any kind, 40 effluent exceedances, latest June 30, 1992, largest 99,999% over the limit.
  • Flow, in conduit or thru treatment plant: 0 limits, 56 violations of any kind.
  • pH: 0 limits, 28 violations of any kind.
  • Phosphorus, total [as P]: 0 limits, 14 violations of any kind.
  • Coliform, fecal general: 0 limits, 2 violations of any kind.
  • July 1, 2023: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).
  • August 3, 2021: Monitoring Violations - Analysis not Conducted (ST6).
  • May 29, 2019: WW SSO - Discharge to Waters (ST6).
  • September 3, 2018: WW SSO - Discharge to Waters (ST6).
  • August 28, 2018: WW SSO - Discharge to Waters (ST6).

Wisconsin holds 454 Publicly owned treatment works coverages of this permit type in EPA’s file; 59 were issued before WI0023931.

Coverages issued nearest WI0023931

ELROY WASTEWATER TREATMENT FACILITY among its neighbors

5 discharge permits are in the City of Elroy-Baraboo River subwatershed (HUC 070700040108); WI0023931 is one. Its county: 33, 0 major; WI0023931 is minor permit.

Other permits in the City of Elroy-Baraboo River subwatershed (HUC 070700040108)

Identity

FacilityELROY WASTEWATER TREATMENT FACILITY
PermitteeELROY WASTEWATER TREATMENT FAC
NPDES IDWI0023931
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMay 29, 2007
ExpiresMarch 31, 2012
AddressElroy, WI 53929
Receiving waterBARABOO R
SubwatershedCity of Elroy-Baraboo River (HUC 070700040108)

NPDES WI0023931: effluent limits and exceedances

ELROY WASTEWATER TREATMENT FACILITY (NPDES WI0023931): 6 pollutants on file, 0 limited; 6 with a violation of any kind, 2 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, total suspended09943September 30, 201899,999% over the limit
BOD, 5-day, 20 deg. C09640June 30, 199299,999% over the limit
Flow, in conduit or thru treatment plant0560
pH0280
Phosphorus, total [as P]0140
Coliform, fecal general020

NPDES WI0023931: inspections, violations and enforcement

NPDES WI0023931: 5 single-event violations

DateWhat EPA recordedAgency
July 1, 2023Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
August 3, 2021Monitoring Violations - Analysis not ConductedST6
May 29, 2019WW SSO - Discharge to WatersST6
September 3, 2018WW SSO - Discharge to WatersST6
August 28, 2018WW SSO - Discharge to WatersST6

NPDES WI0023931 (ELROY WASTEWATER TREATMENT FACILITY): no inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES WI0023931

NPDES WI0023931: 6 pollutant rows, 5 dated events; ICIS-NPDES download, loaded September 15, 2026.