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Clean Water Act discharge permit · NPDES WI0021521

SPENCER WASTEWATER TREATMENT FACILITY, Spencer, WI: NPDES WI0021521 discharge permit, effluent exceedances, inspections, penalties

SPENCER WASTEWATER TREATMENT FACILITY, held by Village of Spencer, holds NPDES permit WI0021521, which discharges to Little Eau Plein. EPA’s file records it issued December 12, 2012 and expiring December 31, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedSPENCER WASTEWATER TREATMENT FACILITY
Permittee as filedVillage of Spencer
NPDES IDWI0021521
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 12, 2012
Expiration dateDecember 31, 2017
AddressSpencer, WI 54479
Receiving waterLITTLE EAU PLEIN
SubwatershedMcMillan Marsh-Little Eau Pleine River (HUC 070700021702)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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 suspended4239November 30, 1991158% over the limit
BOD, 5-day, 20 deg. C4217November 30, 199196% over the limit
pH2162July 31, 2022
Phosphorus, total [as P]182April 30, 202420,374% over the limit
Copper, total recoverable1980
Chloride [as Cl]1190
Flow, in conduit or thru treatment plant4140
Oxygen, dissolved [DO]170
Nitrogen, ammonia total [as N]170
Hardness, total [as CaCO3]010

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

DateWhat EPA recordedAgency
January 10, 2021WW SSO - Discharge to WatersST6

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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Nearby on the register

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

What this page shows

This public-records page covers the Clean Water Act discharge permit NPDES WI0021521 for the Spencer Wastewater Treatment Facility in Spencer, WI, held by the Village of Spencer, with a status of administratively continued and a minor discharger class. The file lists 10 pollutants on file, 4 of which have a numeric limit and 9 of which are listed under effluent limits and exceedances, with the permit issued December 12, 2012 and expiring December 31, 2017.