Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
One more press on the next page sends it; there is no link to click in an email. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES IL0049166

ESSINGTON COMMONS STP, Plainfield, IL: NPDES IL0049166 discharge permit, effluent exceedances, inspections, penalties

ESSINGTON COMMONS STP, held by IL AMERICAN WATER-ESSINGTON, holds NPDES permit IL0049166, which discharges to Mink Creek. EPA’s file records it issued June 27, 2005 and expiring August 31, 2010. 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 filedESSINGTON COMMONS STP
Permittee as filedIL AMERICAN WATER-ESSINGTON
NPDES IDIL0049166
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 27, 2005
Expiration dateAugust 31, 2010
AddressPlainfield, IL 60544
Receiving waterMINK CREEK
SubwatershedLily Cache Creek (HUC 071200040807)
SIC4952 – 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

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
BOD, carbonaceous [5 day, 20 C]4113November 30, 200760% over the limit
Solids, total suspended583November 30, 201163% over the limit
Nitrogen, ammonia total [as N]58162November 30, 2007346% over the limit
Chlorine, total residual291June 30, 2001900% over the limit
Flow, in conduit or thru treatment plant440
pH220
Oxygen, dissolved [DO]210
BOD, 5-day, 20 deg. C110
Coliform, fecal general100

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0049166.

Inspections

EPA’s inspection file holds no inspection for NPDES IL0049166.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IL0049166.

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, IL0049166.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 IL0049166 there.

ESSINGTON COMMONS STP, Plainfield, Illinois: Individual permit IL0049166, held by IL AMERICAN WATER-ESSINGTON; Administratively continued (past its expiration date and still in force until reissued); issued June 27, 2005, term to August 31, 2010; discharges to MINK CREEK.

1 of the 9 pollutants listed for NPDES IL0049166 have no violation or effluent exceedance.

  • BOD, carbonaceous [5 day, 20 C]: 4 limits, 11 violations of any kind, 3 effluent exceedances, latest November 30, 2007, largest 60% over the limit.
  • Solids, total suspended: 5 limits, 8 violations of any kind, 3 effluent exceedances, latest November 30, 2011, largest 63% over the limit.
  • Nitrogen, ammonia total [as N]: 58 limits, 16 violations of any kind, 2 effluent exceedances, latest November 30, 2007, largest 346% over the limit.
  • Chlorine, total residual: 2 limits, 9 violations of any kind, 1 effluent exceedance, latest June 30, 2001, largest 900% over the limit.
  • Flow, in conduit or thru treatment plant: 4 limits, 4 violations of any kind.
  • pH: 2 limits, 2 violations of any kind.
  • Oxygen, dissolved [DO]: 2 limits, 1 violation of any kind.
  • BOD, 5-day, 20 deg. C: 1 limit, 1 violation of any kind.
  • Coliform, fecal general: 1 limit.

ESSINGTON COMMONS STP among its neighbors

35 discharge permits are in the Lily Cache Creek subwatershed (HUC 071200040807); IL0049166 is one. Its county: 295, 33 major; IL0049166 is minor permit.

Other permits in the Lily Cache Creek subwatershed (HUC 071200040807)

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit IL0049166 for ESSINGTON COMMONS STP in Plainfield, IL, held by IL AMERICAN WATER-ESSINGTON and discharging to MINK CREEK within the Lily Cache Creek subwatershed (HUC 071200040807). The permit is listed as administratively continued, with 4 pollutants with an effluent exceedance and 4 pollutants under a numeric limit among the 9 pollutants on file. The permit was issued June 27, 2005 and carried an expiration date of August 31, 2010.