Clean Water Act discharge permit · NPDES WI0031852

AURORA SANITARY DISTRICT # 1, Florence, WI: NPDES WI0031852 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
9Pollutants under a numeric limit
4Pollutants with an effluent exceedance

AURORA SANITARY DISTRICT # 1 holds NPDES permit WI0031852, which discharges to Menominee R. EPA’s file records it issued September 9, 2013 and expiring September 30, 2018. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	AURORA SANITARY DISTRICT # 1
Permittee as filed	AURORA SANITARY DISTRICT # 1
NPDES ID	WI0031852
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	September 9, 2013
Expiration date	September 30, 2018
Address	Florence, WI 54151
Receiving water	MENOMINEE R
Receiving water impaired	303(D) Listed
Subwatershed	Big Quninnesec Dam-Menominee River (HUC 040301080704)
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

10Pollutants on file
9Under a numeric limit
8With a violation of any kind
4With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
BOD, 5-day, 20 deg. C	2	51	17	July 31, 1992	277% over the limit
Nitrogen, ammonia total [as N]	1	20	14	April 30, 2026	76% over the limit
Solids, total suspended	3	52	12	June 30, 1992	207% over the limit
BOD, carbonaceous [5 day, 5 C]	2	192	6	March 31, 2026	37% over the limit
Phosphorus, total [as P]	1	96	0
Flow, in conduit or thru treatment plant	4	50	0
pH	2	14	0
Coliform, fecal general	0	6	0
Temperature, water deg. fahrenheit	1	0	0
Chloride [as Cl]	1	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES WI0031852.

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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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WI0031852 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit WI0031852, issued to AURORA SANITARY DISTRICT # 1 in Florence, WI, which discharges to the MENOMINEE R within the Big Quninnesec Dam-Menominee River subwatershed (HUC 040301080704). The page lists a Minor discharger class, 9 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance, with the permit shown as issued September 9, 2013 and expiring September 30, 2018.