Clean Water Act discharge permit · NPDES IL0028304

DAKOTA STP, VILLAGE OF, Dakota, IL: NPDES IL0028304 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
3Pollutants with an effluent exceedance

DAKOTA STP, VILLAGE OF, held by DAKOTA, VILLAGE OF, holds NPDES permit IL0028304, which discharges to Winneshiek Creek. EPA’s file records it issued January 9, 2019 and expiring December 31, 2023. 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	DAKOTA STP, VILLAGE OF
Permittee as filed	DAKOTA, VILLAGE OF
NPDES ID	IL0028304
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	January 9, 2019
Expiration date	December 31, 2023
Address	Dakota, IL 61018
Receiving water	WINNESHIEK CREEK
Receiving water impaired	303(D) Listed
Subwatershed	Winneshiek Creek (HUC 070900031402)
Program components on file	Biosolids, POTW
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
10Under a numeric limit
10With a violation of any kind
3With 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
Nitrogen, ammonia total [as N]	16	141	73	March 31, 2025	1,927% over the limit
Solids, total suspended	5	89	17	March 31, 2026	120% over the limit
Oxygen, dissolved [DO]	5	39	14	May 31, 2024	48% over the limit
Flow, in conduit or thru treatment plant	4	82	0
BOD, carbonaceous [5 day, 20 C]	4	44	0
BOD, 5-day, 20 deg. C	1	28	0
pH	2	23	0
Chlorine, total residual	1	10	0
Phosphorus, total [as P]	1	9	0
Coliform, fecal general	1	4	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 IL0028304.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0028304.

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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 IL0028304 there.

Nearby on the register

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

This public-records page covers NPDES permit IL0028304, held by DAKOTA, VILLAGE OF for DAKOTA STP, VILLAGE OF in Dakota, IL, which discharges to Winneshiek Creek in subwatershed HUC 070900031402. The permit is listed as administratively continued, with a discharger class of 10 and 3 pollutants under a numeric limit, 3 of which show an effluent exceedance.